DB, DBQ, DGV, DW, OR PW PACKAGE
(TOP VIEW)
INT
A1
RESET
P00
P01
P02
P03
P04
P05
P06
P07
GND
VCC
SDA
SCL
A0
P17
P16
P15
P14
P13
P12
P11
P10
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
24 23 22 21 20
7 8 9 10 11
1
2
3
4
5
6
18
17
16
15
14
13
RGE PACKAGE
(TOP VIEW)
A1
INT
P10
P11 SDA
P06
P07
GND VCC
19
SCL
12
P12
P00
P01
P02
P03
P04
P05
A0
P17
P16
P15
P14
P13
RESET
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PCA9539
SCPS130G AUGUST 2005REVISED JUNE 2014
PCA9539 Remote 16-Bit I
2
C and SMBus Low-Power I/O Expander With Interrupt Output,
Reset, and Configuration Registers
1 Features 2 Description
This 16-bit I/O expander for the two-line bidirectional
1 Low Standby-Current Consumption of 1 μA Max bus (I2C) is designed for 2.3-V to 5.5-V VCC
I2C to Parallel Port Expander operation. It provides general-purpose remote I/O
Open-Drain Active-Low Interrupt Output expansion for most microcontroller families via the I2C
interface [serial clock (SCL), serial data (SDA)].
Active-Low Reset Input
5-V Tolerant I/O Ports The PCA9539 consists of two 8-bit Configuration
(input or output selection), Input Port, Output Port,
Compatible With Most Microcontrollers and Polarity Inversion (active-high or active-low
400-kHz Fast I2C Bus operation) registers. At power-on, the I/Os are
Polarity Inversion Register configured as inputs. The system master can enable
the I/Os as either inputs or outputs by writing to the
Address by Two Hardware Address Pins for Use I/O configuration bits. The data for each input or
of up to Four Devices output is kept in the corresponding Input or output
Latched Outputs With High-Current Drive register. The polarity of the Input Port register can be
Capability for Directly Driving LEDs inverted with the Polarity Inversion register. All
Latch-Up Performance Exceeds 100 mA Per registers can be read by the system master.
JESD 78, Class II Device Information(1)
ESD Protection Exceeds JESD 22 PART NUMBER PACKAGE BODY SIZE (NOM)
2000-V Human-Body Model (A114-A) SSOP (24) 8.20 mm × 5.30 mm
1000-V Charged-Device Model (C101) TVSOP (24) 5.00 mm × 4.40 mm
PCA9539 SOIC (24) 15.40 mm × 7.50 mm
TSSOP (24) 7.80 mm × 4.40 mm
VQFN (24) 4.00 mm × 4.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
PCA9539
SCPS130G AUGUST 2005REVISED JUNE 2014
www.ti.com
Table of Contents
1 Features.................................................................. 18 Detailed Description............................................ 14
8.1 Functional Block Diagram....................................... 14
2 Description............................................................. 18.2 Device Functional Modes........................................ 16
3 Revision History..................................................... 28.3 Programming........................................................... 17
4 Description (Continued)........................................ 39 Application And Implementation........................ 24
5 Pin Configuration and Functions......................... 39.1 Typical Application ................................................. 24
6 Specifications......................................................... 510 Power Supply Recommendations ..................... 26
6.1 Absolute Maximum Ratings ..................................... 510.1 Power-On Reset Requirements ........................... 26
6.2 Handling Ratings....................................................... 510.2 Power-On Reset Errata......................................... 27
6.3 Recommended Operating Conditions....................... 511 Device and Documentation Support................. 28
6.4 Electrical Characteristics........................................... 611.1 Trademarks........................................................... 28
6.5 I2C Interface Timing Requirements.......................... 711.2 Electrostatic Discharge Caution............................ 28
6.6 RESET Timing Requirements................................... 711.3 Glossary................................................................ 28
6.7 Switching Characteristics.......................................... 712 Mechanical, Packaging, and Orderable
6.8 Typical Characteristics.............................................. 8Information ........................................................... 28
7 Parameter Measurement Information ................ 10
3 Revision History
Changes from Revision F (January 2011) to Revision G Page
Added RESET Errata section............................................................................................................................................... 16
Added Interrupt Errata section.............................................................................................................................................. 17
Power-On Reset Errata section............................................................................................................................................ 27
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DB, DBQ, DGV, DW, OR PW PACKAGE
(TOP VIEW)
INT
A1
RESET
P00
P01
P02
P03
P04
P05
P06
P07
GND
VCC
SDA
SCL
A0
P17
P16
P15
P14
P13
P12
P11
P10
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
24 23 22 21 20
7 8 9 10 11
1
2
3
4
5
6
18
17
16
15
14
13
RGE PACKAGE
(TOP VIEW)
A1
INT
P10
P11 SDA
P06
P07
GND VCC
19
SCL
12
P12
P00
P01
P02
P03
P04
P05
A0
P17
P16
P15
P14
P13
RESET
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SCPS130G AUGUST 2005REVISED JUNE 2014
4 Description (Continued)
The system master can reset the PCA9539 in the event of a time-out or other improper operation by asserting a
low in the RESET input. The power-on reset puts the registers in their default state and initializes the I2C/SMBus
state machine. Asserting RESET causes the same reset/initialization to occur without de-powering the part.
The PCA9539 open-drain interrupt (INT) output is activated when any input state differs from its corresponding
Input Port register state and is used to indicate to the system master that an input state has changed.
INT can be connected to the interrupt input of a microcontroller. By sending an interrupt signal on this line, the
remote I/O can inform the microcontroller if there is incoming data on its ports without having to communicate via
the I2C bus. Thus, the PCA9539 can remain a simple slave device.
The device outputs (latched) have high-current drive capability for directly driving LEDs. The device has low
current consumption.
The PCA9539 is identical to the PCA9555, except for the removal of the internal I/O pullup resistor, which greatly
reduces power consumption when the I/Os are held low, replacement of A2 with RESET, and a different address
range.
Two hardware pins (A0 and A1) are used to program and vary the fixed I2C address and allow up to four devices
to share the same I2C bus or SMBus.
5 Pin Configuration and Functions
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Pin Functions
PIN
NO.
SOIC (DW), DESCRIPTION
SSOP (DB),
NAME QSOP (DBQ), QFN (RGE)
TSSOP (PW), AND
TVSOP (DGV)
INT 1 22 Interrupt output. Connect to VCC through a pullup resistor.
A1 2 23 Address input. Connect directly to VCC or ground.
Active-low reset input. Connect to VCC through a pullup resistor if no active
RESET 3 24 connection is used.
P00 4 1 P-port input/output. Push-pull design structure.
P01 5 2 P-port input/output. Push-pull design structure.
P02 6 3 P-port input/output. Push-pull design structure.
P03 7 4 P-port input/output. Push-pull design structure.
P04 8 5 P-port input/output. Push-pull design structure.
P05 9 6 P-port input/output. Push-pull design structure.
P06 10 7 P-port input/output. Push-pull design structure.
P07 11 8 P-port input/output. Push-pull design structure.
GND 12 9 Ground
P10 13 10 P-port input/output. Push-pull design structure.
P11 14 11 P-port input/output. Push-pull design structure.
P12 15 12 P-port input/output. Push-pull design structure.
P13 16 13 P-port input/output. Push-pull design structure.
P14 17 14 P-port input/output. Push-pull design structure.
P15 18 15 P-port input/output. Push-pull design structure.
P16 19 16 P-port input/output. Push-pull design structure.
P17 20 17 P-port input/output. Push-pull design structure.
A0 21 18 Address input. Connect directly to VCC or ground.
SCL 22 19 Serial clock bus. Connect to VCC through a pullup resistor.
SDA 23 20 Serial data bus. Connect to VCC through a pullup resistor.
VCC 24 21 Supply voltage
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6 Specifications
6.1 Absolute Maximum Ratings(1)
over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT
VCC Supply voltage range –0.5 6 V
VIInput voltage range(2) –0.5 6 V
VOOutput voltage range(2) –0.5 6 V
IIK Input clamp current VI< 0 –20 mA
IOK Output clamp current VO< 0 –20 mA
IIOK Input/output clamp current VO< 0 or VO> VCC ±20 mA
IOL Continuous output low current VO= 0 to VCC 50 mA
IOH Continuous output high current VO= 0 to VCC –50 mA
Continuous current through GND –250
ICC mA
Continuous current through VCC 160
DB package 63
DBQ package 61
DGV package 86
θJA Package thermal impedance, junction to free air(3) °C/W
DW package 46
PW package 88
RGE package 45
θJP Package thermal impedance, junction to pad RGE package 1.5 °C/W
(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed.
(3) The package thermal impedance is calculated in accordance with JESD 51-7.
6.2 Handling Ratings MIN MAX UNIT
Tstg Storage temperature range –65 150 °C
Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all 0 2000
pins(1)
V(ESD) Electrostatic discharge V
Charged device model (CDM), per JEDEC specification 0 1000
JESD22-C101, all pins(2)
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
6.3 Recommended Operating Conditions MIN MAX UNIT
VCC Supply voltage 2.3 5.5 V
SCL, SDA 0.7 × VCC 5.5
VIH High-level input voltage V
A0, A1, RESET, P07–P00, P17–P10 0.7 × VCC 5.5
SCL, SDA –0.5 0.3 × VCC
VIL Low-level input voltage V
A0, A1, RESET, P07–P00, P17–P10 –0.5 0.3 × VCC
IOH High-level output current P07–P00, P17–P10 –10 mA
IOL Low-level output current P07–P00, P17–P00 25 mA
TAOperating free-air temperature –40 85 °C
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6.4 Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC MIN TYP(1) MAX UNIT
VIK Input diode clamp voltage II= –18 mA 2.3 V to 5.5 V –1.2 V
VPOR Power-on reset voltage VI= VCC or GND, IO= 0 VPOR 1.5 1.65 V
2.3 V 1.8
IOH = –8 mA 3 V 2.6
4.75 V 4.1
VOH P-port high-level output voltage(2) V
2.3 V 1.7
IOH = –10 mA 3 V 2.5
4.75 V 4
SDA VOL = 0.4 V 3
VOL = 0.5 V 8 20
IOL P port(3) 2.3 V to 5.5 V mA
VOL = 0.7 V 10 24
INT VOL = 0.4 V 3
SCL, SDA ±1
IIVI= VCC or GND 2.3 V to 5.5 V μA
A0, A1, RESET ±1
IIH P port VI= VCC 2.3 V to 5.5 V 1 μA
IIL P port VI= GND 2.3 V to 5.5 V –1 μA
5.5 V 100 200
VI= VCC or GND, IO= 0,
Operating mode 3.6 V 30 75
I/O = inputs, fSCL = 400 kHz 2.7 V 20 50
ICC μA
5.5 V 0.5 1
VI= GND, IO= 0, I/O = inputs,
Standby mode 3.6 V 0.4 0.9
fSCL = 0 kHz 2.7 V 0.25 0.8
One input at VCC 0.6 V,
ΔICC Additional current in standby mode 2.3 V to 5.5 V 200 μA
Other inputs at VCC or GND
CiSCL VI= VCC or GND 2.3 V to 5.5 V 3 7 pF
SDA 3 7
Cio VIO = VCC or GND 2.3 V to 5.5 V pF
P port 3.7 9.5
(1) All typical values are at nominal supply voltage (2.5-V, 3.3-V, or 5-V VCC) and TA= 25°C.
(2) Each I/O must be externally limited to a maximum of 25 mA, and each octal (P07–P00 and P17–P10) must be limited to a maximum
current of 100 mA, for a device total of 200 mA.
(3) The total current sourced by all I/Os must be limited to 160 mA (80 mA for P07–P00 and 80 mA for P17–P10).
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6.5 I2C Interface Timing Requirements
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 13)MIN MAX UNIT
fscl I2C clock frequency 0 400 kHz
tsch I2C clock high time 0.6 μs
tscl I2C clock low time 1.3 μs
tsp I2C spike time 50 ns
tsds I2C serial-data setup time 100 ns
tsdh I2C serial-data hold time 0 ns
ticr I2C input rise time 20 + 0.1Cb(1) 300 ns
ticf I2C input fall time 20 + 0.1Cb(1) 300 ns
tocf I2C output fall time 10-pF to 400-pF bus 20 + 0.1Cb(1) 300 ns
tbuf I2C bus free time between Stop and Start 1.3 μs
tsts I2C Start or repeated Start condition setup 0.6 μs
tsth I2C Start or repeated Start condition hold 0.6 μs
tsps I2C Stop condition setup 0.6 μs
tvd(data) Valid-data time SCL low to SDA output valid 50 ns
tvd(ack) Valid-data time of ACK condition ACK signal from SCL low to SDA (out) low 0.1 0.9 μs
CbI2C bus capacitive load 400 pF
(1) Cb= total capacitance of one bus line in pF
6.6 RESET Timing Requirements
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 16)MIN MAX UNIT
tWReset pulse duration 6 ns
tREC Reset recovery time 0 ns
tRESET Time to reset 400 ns
6.7 Switching Characteristics
over recommended operating free-air temperature range, CL100 pF (unless otherwise noted) (see Figure 14 and Figure 15)
FROM TO
PARAMETER MIN MAX UNIT
(INPUT) (OUTPUT)
tiv Interrupt valid time P port INT 4 μs
tir Interrupt reset delay time SCL INT 4 μs
tpv Output data valid SCL P port 200 ns
tps Input data setup time P port SCL 150 ns
tph Input data hold time P port SCL 1 μs
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0
5
10
15
20
25
30
35
40
0.0 0.1 0.2 0.3 0.4 0.5 0.6
VOL Output Low Voltage V
ISINK I/O Sink Current mA
TA= –40°C
VCC = 3.3 V
TA= 25°C
TA= 125°C
TA= –40°C
0
5
10
15
20
25
30
0.0 0.1 0.2 0.3 0.4 0.5 0.6
VOL Output Low Voltage V
ISINK I/O Sink Current mA
TA= –40°C
VCC = 2.5 V
TA= 25°C
TA= 125°C
0
10
20
30
40
50
60
70
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
VCC Supply Voltage V
ICC Supply Current µA
fSCL = 400 kHz
I/Os Unloaded
0
5
10
15
20
25
30
-50 -25 0 25 50 75 100
TA Free-Air Tem perature °C
ICC Supply Current nA
VCC = 2.5 V
VCC = 3.3 V
VCC = 5 V
SCL = VCC
0
5
10
15
20
25
30
35
40
45
50
55
-50 -25 0 25 50 75 100
TA Free-Air Tem perature °C
ICC Supply Current µA
VCC = 2.5 V
VCC = 3.3 V
VCC = 5 V
fSCL = 400 kHz
I/Os Unloaded
PCA9539
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6.8 Typical Characteristics
TA= 25°C (unless otherwise noted)
Figure 1. Supply Current vs Temperature Figure 2. Standby Supply Current vs Temperature
Figure 3. Supply Current vs Supply Voltage Figure 4. I/O Sink Current vs Output Low Voltage
Figure 5. I/O Sink Current vs Output Low Voltage Figure 6. I/O Sink Current vs Output Low Voltage
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0
25
50
75
100
125
150
175
200
225
250
275
300
-50 -25 0 25 50 75 100
TA Free-Air Tem perature °C
VOH Output High Voltage mV
VCC = 5 V, IOL = 10 m A
VCC = 2.5 V, IOL = 10 mA
0
25
50
75
100
125
150
175
200
225
250
275
300
-50 -25 0 25 50 75 100
TA Free-Air Tem perature °C
VOH Output High Voltage mV
VCC = 5 V, IOL = 10 m A
VCC = 2.5 V, IOL = 10 mA
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
(VCC VOH) V
ISOURCE I/O Source Current mA
TA= –40°C
VCC = 5 V
TA= 25°C
TA= 125°C
0
5
10
15
20
25
30
35
40
45
50
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
(VCC VOH) V
ISOURCE I/O Source Current mA
TA= –40°C
VCC = 3.3 V
TA= 25°C
TA= 125°C
0
25
50
75
100
125
150
175
200
225
250
275
300
-50 -25 0 25 50 75 100
TA Free-Air Tem perature °C
VOL Output Low Voltage mV
VCC = 5 V, ISINK = 10 m A
VCC = 2.5 V, ISINK = 10 m A
VCC = 2.5 V, ISINK = 1 m A
VCC = 5 V, ISINK = 1 m A
0
5
10
15
20
25
30
35
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
(VCC VOH) V
ISOURCE I/O Source Current mA
TA= –40°C
VCC = 2.5 V
TA= 25°C
TA= 125°C
PCA9539
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SCPS130G AUGUST 2005REVISED JUNE 2014
Typical Characteristics (continued)
TA= 25°C (unless otherwise noted)
Figure 8. I/O Source Current vs Output High Voltage
Figure 7. I/O Output Low Voltage vs Temperature
Figure 9. I/O Source Current vs Output High Voltage Figure 10. I/O Source Current vs Output High Voltage
Figure 11. I/O High Voltage vs Temperature Figure 12. Output High Voltage vs Supply Voltage
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RL = 1 k
VCC
CL = 50 pF
(see Note A)
tbuf
ticr
tsth tsds
tsdh
ticf
ticr
tscl tsch
tsts
tPHL
tPLH
0.3 × VCC
Stop
Condition
tsps
Repeat
Start
Condition
Start or
Repeat
Start
Condition
SCL
SDA
Start
Condition
(S)
Address
Bit 7
(MSB)
Data
Bit 0
(LSB)
Stop
Condition
(P)
Three Bytes for Complete
Device Programming
SDA LOAD CONFIGURATION
VOLTAGE WAVEFORMS
ticf
Stop
Condition
(P)
tsp
DUT SDA
0.7 × VCC
0.3 × VCC
0.7 × VCC
R/W
Bit 0
(LSB)
ACK
(A)
Data
Bit 7
(MSB)
Address
Bit 1
Address
Bit 6
BYTE DESCRIPTION
1 I2C address
2, 3 P-port data
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7 Parameter Measurement Information
A. CLincludes probe and jig capacitance.
B. All inputs are supplied by generators having the following characteristics: PRR 10 MHz, ZO= 50 , tr/tf30 ns.
C. All parameters and waveforms are not applicable to all devices.
Figure 13. I2C Interface Load Circuit And Voltage Waveforms
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A
A
A
A
S 1 1 1 0 A11 A0 1 Data 1 1 PData 2
Start
Condition 8 Bits
(One Data Byte)
From Port Data From PortSlave Address R/W
87654321
tir
tir
tsps
tiv
Address Data 1 Data 2
INT
Data
Into
Port
B
B
A
A
Pn INT
R/W A
tir
0.7 × VCC
0.3 × VCC
0.7 × VCC
0.3 × VCC
0.7 × VCC
0.3 × VCC
0.7 × VCC
0.3 × VCC
INT SCL
View B−BView A−A
tiv
RL = 4.7 k
VCC
CL = 100 pF
(see Note A)
INTERRUPT LOAD CONFIGURATION
DUT INT
ACK
From Slave ACK
From Slave
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Parameter Measurement Information (continued)
A. CLincludes probe and jig capacitance.
B. All inputs are supplied by generators having the following characteristics: PRR 10 MHz, ZO= 50 , tr/tf30 ns.
C. All parameters and waveforms are not applicable to all devices.
Figure 14. Interrupt Load Circuit And Voltage Waveforms
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P0 A 0.7 × VCC
0.3 × VCC
SCL P3
ÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎ
tpv
(see Note B)
Slave
ACK
Unstable
Data
Last Stable Bit
SDA
Pn
Pn
WRITE MODE (R/W = 0)
P0 A 0.7 × VCC
0.3 × VCC
SCL P3
0.7 × VCC
0.3 × VCC
tps tph
READ MODE (R/W = 1)
DUT
CL = 50 pF
(see Note A)
P-PORT LOAD CONFIGURATION
Pn 2 × VCC
500 W
500 W
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Parameter Measurement Information (continued)
A. CLincludes probe and jig capacitance.
B. tpv is measured from 0.7 × VCC on SCL to 50% I/O (Pn) output.
C. All inputs are supplied by generators having the following characteristics: PRR 10 MHz, ZO= 50 , tr/tf30 ns.
D. The outputs are measured one at a time, with one transition per measurement.
E. All parameters and waveforms are not applicable to all devices.
Figure 15. P-Port Load Circuit And Voltage Waveforms
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SDA
SCL
Start
ACK or Read Cycle
tw
tREC
RESET
0.3 y VCC
VCC/2
tRESET
Pn
RL = 1 k
VCC
CL = 50 pF
(see Note A)
SDA LOAD CONFIGURATION
DUT SDA
P-PORT LOAD CONFIGURATION
VCC/2
tRESET
DUT
CL = 50 pF
(see Note A)
Pn 2 × VCC
500 W
500 W
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Parameter Measurement Information (continued)
A. CLincludes probe and jig capacitance.
B. All inputs are supplied by generators having the following characteristics: PRR 10 MHz, ZO= 50 , tr/tf30 ns.
C. The outputs are measured one at a time, with one transition per measurement.
D. I/Os are configured as inputs.
E. All parameters and waveforms are not applicable to all devices.
Figure 16. Reset Load Circuits And Voltage Waveforms
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22
I/O
Port P17−P10
Shift
Register 16 Bits
LP Filter
Interrupt
Logic
Input
Filter
23
Power-On
Reset Read Pulse
Write Pulse
PCA9539
3
2
21
1
24
12
GND
VCC
SDA
SCL
A1
A0
INT
I2C Bus
Control
P07−P00
RESET
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8 Detailed Description
8.1 Functional Block Diagram
A. Pin numbers shown are for DB, DBQ, DGV, DW, and PW packages.
B. All I/Os are set to inputs at reset.
Figure 17. Logic Diagram (Positive Logic)
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VCC
CLK
D Q
FF
Configuration
Register
Data From
Shift Register
Data From
Shift Register
Q
Write Configuration
Pulse
CLK
D Q
FF
Q
Write Pulse
Output Port
Register
Q1
Q2
GND
I/O Pin
Output Port
Register Data
CLK
D Q
FF
Q
Input Port
Register
Read Pulse
CLK
D Q
FF
Q
Polarity Inversion
Register
Write Polarity
Pulse
Input Port
Register Data
Polarity
Register Data
To INT
Data From
Shift Register
PCA9539
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Functional Block Diagram (continued)
(1) At power-on reset, all registers return to default values.
Figure 18. Simplified Schematic Of P-Port I/Os
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8.2 Device Functional Modes
8.2.1 RESET Input
A reset can be accomplished by holding the RESET pin low for a minimum of tW. The PCA9539 registers and
I2C/SMBus state machine are held in their default states until RESET is once again high. This input requires a
pullup resistor to VCC, if no active connection is used.
8.2.1.1 RESET Errata
If RESET voltage set higher than VCC, current will flow from RESET pin to VCC pin.
System Impact
VCC will be pulled above its regular voltage level
System Workaround
Design such that RESET voltage is same or lower than VCC
8.2.2 Power-On Reset
When power (from 0 V) is applied to VCC, an internal power-on reset holds the PCA9539 in a reset condition until
VCC has reached VPOR. At that point, the reset condition is released and the PCA9539 registers and I2C/SMBus
state machine initialize to their default states. After that, VCC must be lowered to below 0.2 V and then back up to
the operating voltage for a power-reset cycle.
Refer to the Power-On Reset Errata section.
8.2.3 I/O Port
When an I/O is configured as an input, FETs Q1 and Q2 (in Figure 18) are off, which creates a high-impedance
input. The input voltage may be raised above VCC to a maximum of 5.5 V.
If the I/O is configured as an output, Q1 or Q2 is enabled, depending on the state of the Output Port register. In
this case, there are low-impedance paths between the I/O pin and either VCC or GND. The external voltage
applied to this I/O pin should not exceed the recommended levels for proper operation.
8.2.4 Interrupt (INT) Output
An interrupt is generated by any rising or falling edge of the port inputs in the input mode. After time, tiv, the
signal INT is valid. Resetting the interrupt circuit is achieved when data on the port is changed to the original
setting, data is read from the port that generated the interrupt. Resetting occurs in the read mode at the
acknowledge (ACK) or not acknowledge (NACK) bit after the rising edge of the SCL signal.
Interrupts that occur during the ACK or NACK clock pulse can be lost (or be very short) due to the resetting of
the interrupt during this pulse. Each change of the I/Os after resetting is detected and is transmitted as INT.
Writing to another device does not affect the interrupt circuit, and a pin configured as an output cannot cause an
interrupt. Changing an I/O from an output to an input may cause a false interrupt to occur, if the state of the pin
does not match the contents of the Input Port register. Because each 8-pin port is read independently, the
interrupt caused by port 0 is not cleared by a read of port 1 or vice versa.
The INT output has an open-drain structure and requires pullup resistor to VCC.
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Device Functional Modes (continued)
8.2.4.1 Interrupt Errata
The INT will be improperly de-asserted if the following two conditions occur:
1. The last I2C command byte (register pointer) written to the device was 00h.
NOTE
This generally means the last operation with the device was a Read of the input register.
However, the command byte may have been written with 00h without ever going on to
read the input register. After reading from the device, if no other command byte written, it
will remain 00h.
2. Any other slave device on the I2C bus acknowledges an address byte with the R/W bit set high
System Impact
Can cause improper interrupt handling as the Master will see the interrupt as being cleared.
System Workaround
Minor software change: User must change command byte to something besides 00h after a Read operation to
the PCA9539 device or before reading from another slave device.
NOTE
Software change will be compatible with other versions (competition and TI redesigns) of
this device.
8.3 Programming
8.3.1 I2C Interface
The bidirectional I2C bus consists of the serial clock (SCL) and serial data (SDA) lines. Both lines must be
connected to a positive supply via a pullup resistor when connected to the output stages of a device. Data
transfer may be initiated only when the bus is not busy.
I2C communication with this device is initiated by a master sending a Start condition, a high-to-low transition on
the SDA input/output while the SCL input is high (see Figure 19). After the Start condition, the device address
byte is sent, MSB first, including the data direction bit (R/W). This device does not respond to the general call
address.
After receiving the valid address byte, this device responds with an ACK, a low on the SDA input/output during
the high of the ACK-related clock pulse. The address inputs (A0 and A1) of the slave device must not be
changed between the Start and Stop conditions.
On the I2C bus, only one data bit is transferred during each clock pulse. The data on the SDA line must remain
stable during the high pulse of the clock period, as changes in the data line at this time are interpreted as control
commands (Start or Stop) (see Figure 20).
A Stop condition, a low-to-high transition on the SDA input/output while the SCL input is high, is sent by the
master (see Figure 19).
Any number of data bytes can be transferred from the transmitter to the receiver between the Start and the Stop
conditions. Each byte of eight bits is followed by one ACK bit. The transmitter must release the SDA line before
the receiver can send an ACK bit. The device that acknowledges must pull down the SDA line during the ACK
clock pulse so that the SDA line is stable low during the high pulse of the ACK-related clock period (see
Figure 21). When a slave receiver is addressed, it must generate an ACK after each byte is received. Similarly,
the master must generate an ACK after each byte that it receives from the slave transmitter. Setup and hold
times must be met to ensure proper operation.
A master receiver signals an end of data to the slave transmitter by not generating an acknowledge (NACK) after
the last byte has been clocked out of the slave. This is done by the master receiver by holding the SDA line high.
In this event, the transmitter must release the data line to enable the master to generate a Stop condition.
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Data Output
by Transmitter
SCL From
Master
Start
Condition
S
1 2 8 9
Data Output
by Receiver
Clock Pulse for
Acknowledgment
NACK
ACK
SDA
SCL
Data Line
Stable;
Data Valid
Change
of Data
Allowed
SDA
SCL
Start Condition
S
Stop Condition
P
PCA9539
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Programming (continued)
Figure 19. Definition Of Start And Stop Conditions
Figure 20. Bit Transfer
Figure 21. Acknowledgment On I2C Bus
8.3.2 Register Map
Table 1. Interface Definition
BIT
BYTE 7 (MSB) 6 5 4 3 2 1 0 (LSB)
I2C slave address H H H L H A1 A0 R/W
P0x I/O data bus P07 P06 P05 P04 P03 P02 P01 P00
P1x I/O data bus P17 P16 P15 P14 P13 P12 P11 P10
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0 0 0 B2 B1 B000
1 1 1 0 A1 A0
Slave Address R/W
Fixed Programmable
1
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8.3.2.1 Device Address
Figure 22 shows the address byte of the PCA9539.
Figure 22. Pca9539 Address
Table 2. Address Reference
INPUTS I2C BUS SLAVE ADDRESS
A1 A0
L L 116 (decimal), 74 (hexadecimal)
L H 117 (decimal), 75 (hexadecimal)
H L 118 (decimal), 76 (hexadecimal)
H H 119 (decimal), 77 (hexadecimal)
The last bit of the slave address defines the operation (read or write) to be performed. A high (1) selects a read
operation, while a low (0) selects a write operation.
8.3.2.2 Control Register And Command Byte
Following the successful acknowledgment of the address byte, the bus master sends a command byte that is
stored in the control register in the PCA9539. Three bits of this data byte state the operation (read or write) and
the internal register (input, output, Polarity Inversion or Configuration) that will be affected. This register can be
written or read through the I2C bus. The command byte is sent only during a write transmission.
Once a command byte has been sent, the register that was addressed continues to be accessed by reads until a
new command byte has been sent.
Figure 23. Control Register Bits
Table 3. Command Byte
CONTROL REGISTER BITS COMMAND POWER-UP
REGISTER PROTOCOL
BYTE (HEX) DEFAULT
B2 B1 B0
0 0 0 0x00 Input Port 0 Read byte xxxx xxxx
0 0 1 0x01 Input Port 1 Read byte xxxx xxxx
0 1 0 0x02 Output Port 0 Read/write byte 1111 1111
0 1 1 0x03 Output Port 1 Read/write byte 1111 1111
1 0 0 0x04 Polarity Inversion Port 0 Read/write byte 0000 0000
1 0 1 0x05 Polarity Inversion Port 1 Read/write byte 0000 0000
1 1 0 0x06 Configuration Port 0 Read/write byte 1111 1111
1 1 1 0x07 Configuration Port 1 Read/write byte 1111 1111
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8.3.2.3 Register Descriptions
The Input Port registers (registers 0 and 1) reflect the incoming logic levels of the pins, regardless of whether the
pin is defined as an input or an output by the Configuration register. It only acts on read operation. Writes to
these registers have no effect. The default value, X, is determined by the externally applied logic level.
Before a read operation, a write transmission is sent with the command byte to indicate to the I2C device that the
Input Port register will be accessed next.
Table 4. Registers 0 And 1 (Input Port Registers)
Bit I0.7 I0.6 I0.5 I0.4 I0.3 I0.2 I0.1 I0.0
Default XXXXXXXX
Bit I1.7 I1.6 I1.5 I1.4 I1.3 I1.2 I1.1 I1.0
Default XXXXXXXX
The Output Port registers (registers 2 and 3) show the outgoing logic levels of the pins defined as outputs by the
Configuration register. Bit values in this register have no effect on pins defined as inputs. In turn, reads from this
register reflect the value that is in the flip-flop controlling the output selection, not the actual pin value.
Table 5. Registers 2 And 3 (Output Port Registers)
Bit O0.7 O0.6 O0.5 O0.4 O0.3 O0.2 O0.1 O0.0
Default 11111111
Bit O1.7 O1.6 O1.5 O1.4 O1.3 O1.2 O1.1 O1.0
Default 11111111
The Polarity Inversion registers (registers 4 and 5) allow Polarity Inversion of pins defined as inputs by the
Configuration register. If a bit in this register is set (written with 1), the corresponding port pin's polarity is
inverted. If a bit in this register is cleared (written with a 0), the corresponding port pin's original polarity is
retained.
Table 6. Registers 4 And 5 (Polarity Inversion Registers)
Bit N0.7 N0.6 N0.5 N0.4 N0.3 N0.2 N0.1 N0.0
Default 00000000
Bit N1.7 N1.6 N1.5 N1.4 N1.3 N1.2 N1.1 N1.0
Default 00000000
The Configuration registers (registers 6 and 7) configure the directions of the I/O pins. If a bit in this register is
set to 1, the corresponding port pin is enabled as an input with a high-impedance output driver. If a bit in this
register is cleared to 0, the corresponding port pin is enabled as an output.
Table 7. Registers 6 And 7 (Configuration Registers)
Bit C0.7 C0.6 C0.5 C0.4 C0.3 C0.2 C0.1 C0.0
Default 11111111
Bit C1.7 C1.6 C1.5 C1.4 C1.3 C1.2 C1.1 C1.0
Default 11111111
8.3.2.4 Bus Transactions
Data is exchanged between the master and PCA9539 through write and read commands.
8.3.2.4.1 Writes
Data is transmitted to the PCA9539 by sending the device address and setting the least-significant bit to a logic 0
(see Figure 22 for device address). The command byte is sent after the address and determines which register
receives the data that follows the command byte.
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1 2
SCL 3 4 5 6 7 8
SDA A A A
Data 0
Data to Register
R/W
9
00 0 0 0 0 1 1 MSB LSB Data1MSB LSB A
Data to Register
S 1 1 1 0 1 A1 A0 0
1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5
P
Acknowledge
From Slave
Acknowledge
From Slave
Start Condition
Command ByteSlave Address
Acknowledge
From Slave
1 2
SCL 3 4 5 6 7 8
SDA A A A
Data 0
R/W
tpv
9
00 0 0 0 0 0 1 0.7 0.0 Data 11.7 1.0 A
S 1 1 1 0 1 A1 A0 0
tpv
P
Slave Address Command Byte Data to Port 0 Data to Port 1
Start Condition Acknowledge
From Slave
Write to Port
Data Out from Port 1
Data Out from Port 0
Data Valid
Acknowledge
From Slave Acknowledge
From Slave
PCA9539
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The eight registers within the PCA9539 are configured to operate as four register pairs. The four pairs are Input
Ports, Output Ports, Polarity Inversion ports, and Configuration ports. After sending data to one register, the next
data byte is sent to the other register in the pair (see Figure 24 and Figure 25). For example, if the first byte is
sent to Output Port 1 (register 3), the next byte is stored in Output Port 0 (register 2).
There is no limitation on the number of data bytes sent in one write transmission. In this way, each 8-bit register
may be updated independently of the other registers.
Figure 24. Write To Output Port Registers
Figure 25. Write To Configuration Registers
8.3.2.4.2 Reads
The bus master first must send the PCA9539 address with the least-significant bit set to a logic 0 (see Figure 22
for device address). The command byte is sent after the address and determines which register is accessed.
After a restart, the device address is sent again, but this time, the least-significant bit is set to a logic 1. Data
from the register defined by the command byte then is sent by the PCA9539 (see Figure 26 through Figure 28).
After a restart, the value of the register defined by the command byte matches the register being accessed when
the restart occurred. For example, if the command byte references Input Port 1 before the restart, and the restart
occurs when Input Port 0 is being read, the stored command byte changes to reference Input Port 0. The original
command byte is forgotten. If a subsequent restart occurs, Input Port 0 is read first. Data is clocked into the
register on the rising edge of the ACK clock pulse. After the first byte is read, additional bytes may be read, but
the data now reflect the information in the other register in the pair. For example, if Input Port 1 is read, the next
byte read is Input Port 0.
Data is clocked into the register on the rising edge of the ACK clock pulse. There is no limitation on the number
of data bytes received in one read transmission, but when the final byte is received, the bus master must not
acknowledge the data.
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123456789
S11101 A1 A0 1 A 7 6 5 4 3 2 1 0 A
I0.x
7 6 5 4 3 2 1 0 A
I1.x
7 6 5 4 3 2 1 0 A
I0.x
7 6 5 4 3 2 1 0 1
I1.x
P
R/W
SCL
SDA
INT
tir
tiv
Read From Port 0
Data Into Port 0
Read From Port 1
Data Into Port 1
Acknowledge
From Master
Acknowledge
From Slave
Acknowledge
From Master
Acknowledge
From Master No Acknowledge
From Master
1 0 1 A1 A01 11 0 1 A1 A01 1S 0 A A A
R/W
A
PNA
S
R/W
1 MSB LSB
MSB LSB
Slave Address Acknowledge
From Slave
Command Byte
Data From Upper
or Lower Byte
of Register
Last Byte
Data
Acknowledge
From Slave Acknowledge
From Slave
Slave Address
Data From Lower
or Upper Byte
of Register
First Byte
Data
No Acknowledge
From Master
Acknowledge
From Master
At this moment, master
transmitter becomes master
receiver, and slave receiver
becomes slave transmitter.
PCA9539
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Figure 26. Read From Register
A. Transfer of data can be stopped at any time by a Stop condition. When this occurs, data present at the latest
acknowledge phase is valid (output mode). It is assumed that the command byte previously has been set to 00 (Read
Input Port register).
B. This figure eliminates the command byte transfer, a restart, and slave address call between the initial slave address
call and actual data transfer from the P port (see Figure 26 for these details).
Figure 27. Read Input Port Register, Scenario 1
<br/>
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123456789
S 1 1 1 0 1 A1 A0 1 A A
I0.x
A
I1.x
A
I0.x
1
I1.x
P
R/W
SCL
SDA
INT
tir
tiv
tph
00 10 03 12
tps
tph tps
11 12
Read From Port 0
Data Into Port 0
Read From Port 1
Data Into Port 1
Data 02Data 01Data 00 Data 03
DataDataData 10
Acknowledge
From Slave Acknowledge
From Master
Acknowledge
From Master Acknowledge
From Master
No Acknowledge
From Master
PCA9539
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A. Transfer of data can be stopped at any time by a Stop condition. When this occurs, data present at the latest
acknowledge phase is valid (output mode). It is assumed that the command byte previously has been set to 00 (Read
Input Port register).
B. This figure eliminates the command byte transfer, a restart, and slave address call between the initial slave address
call and actual data transfer from the P port (see Figure 26 for these details).
Figure 28. Read Input Port Register, Scenario 2
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P00
P01
P02
P03
P04
P05
A1
A0
A
B
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
VCC
VCC
VCC
(5 V)
Controlled Switch
(e.g., CBT Device)
GND INT
SDA
SCL
10 kW10 kW10 kW10 kW2 kW
INT
Subsystem 1
(e.g., Temperature
Sensor)
Subsystem 2
(e.g., Counter)
PCA9539
SDA
SCL
INT
GND
Keypad ALARM
RESET
ENABLE
Subsystem 3
(e.g., Alarm)
Master
Controller
4
5
6
7
8
9
10
11
13
14
15
16
17
18
19
20
22
23
1
2
21
12
24 100 kW
100 kW100 kW
RESET
3
VCC
PCA9539
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9 Application And Implementation
9.1 Typical Application
Figure 29 shows an application in which the PCA9539 can be used.
A. Device address is configured as 1110100 for this example.
B. P00, P02, and P03 are configured as outputs.
C. P01 and P04 to P17 are configured as inputs.
D. Pin numbers shown are for DB, DBQ, DGV, DW, and PW packages.
Figure 29. Typical Application
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VCC
3.3 V 5 V
LED
Pn
VCC
VCC
LED
Pn
100 kW
PCA9539
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Typical Application (continued)
9.1.1 Detailed Design Procedure
9.1.1.1 Minimizing ICC When I/O Is Used To Control Led
When an I/O is used to control an LED, normally it is connected to VCC through a resistor (see Figure 29).
Because the LED acts as a diode, when the LED is off, the I/O VIN is about 1.2 V less than VCC. The ΔICC
parameter in Electrical Characteristics shows how ICC increases as VIN becomes lower than VCC. For battery-
powered applications, it is essential that the voltage of I/O pins is greater than or equal to VCC, when the LED is
off, to minimize current consumption.
Figure 30 shows a high-value resistor in parallel with the LED. Figure 31 shows VCC less than the LED supply
voltage by at least 1.2 V. Both of these methods maintain the I/O VCC at or above VCC and prevent additional
supply-current consumption when the LED is off.
Figure 30. High-Value Resistor In Parallel With Led
Figure 31. Device Supplied By Lower Voltage
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VCC
Ramp-Up
Time to Re-Ramp
Time
Ramp-Down
VIN drops below POR levels
VCC_RT
VCC_FT
VCC_TRR_VPOR50
VCC
Ramp-Up Re-Ramp-Up
Time to Re-Ramp
Time
Ramp-Down
VCC_RT VCC_RT
VCC_FT
VCC_TRR_GND
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10 Power Supply Recommendations
10.1 Power-On Reset Requirements
In the event of a glitch or data corruption, PCA9539 can be reset to its default conditions by using the power-on
reset feature. Power-on reset requires that the device go through a power cycle to be completely reset. This
reset also happens when the device is powered on for the first time in an application.
The two types of power-on reset are shown in Figure 32 and Figure 33.
Figure 32. VCC Is Lowered Below 0.2 V Or 0 V And Then Ramped Up To VCC
Figure 33. VCC Is Lowered Below The Por Threshold, Then Ramped Back Up To VCC
Table 8 specifies the performance of the power-on reset feature for PCA9539 for both types of power-on reset.
Table 8. Recommended Supply Sequencing And Ramp Rates(1)
PARAMETER MIN TYP MAX UNIT
VCC_FT Fall rate See Figure 32 1 100 ms
VCC_RT Rise rate See Figure 32 0.01 100 ms
VCC_TRR_GND Time to re-ramp (when VCC drops to GND) See Figure 32 0.001 ms
VCC_TRR_POR50 Time to re-ramp (when VCC drops to VPOR_MIN 50 mV) See Figure 33 0.001 ms
Level that VCCP can glitch down to, but not cause a functional
VCC_GH See Figure 34 1.2 V
disruption when VCCX_GW = 1 μs
Glitch width that will not cause a functional disruption when
VCC_GW See Figure 34 μs
VCCX_GH = 0.5 × VCCx
VPORF Voltage trip point of POR on falling VCC 0.767 1.144 V
VPORR Voltage trip point of POR on rising VCC 1.033 1.428 V
(1) TA= –40°C to 85°C (unless otherwise noted)
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VCC
VPOR
VPORF
Time
POR
Time
VCC
Time
VCC_GH
VCC_GW
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Glitches in the power supply can also affect the power-on reset performance of this device. The glitch width
(VCC_GW) and height (VCC_GH) are dependent on each other. The bypass capacitance, source impedance, and
device impedance are factors that affect power-on reset performance. Figure 34 and Table 8 provide more
information on how to measure these specifications.
Figure 34. Glitch Width And Glitch Height
VPOR is critical to the power-on reset. VPOR is the voltage level at which the reset condition is released and all the
registers and the I2C/SMBus state machine are initialized to their default states. The value of VPOR differs based
on the VCC being lowered to or from 0. Figure 35 and Table 8 provide more details on this specification.
Figure 35. VPOR
10.2 Power-On Reset Errata
A power-on reset condition can be missed if the VCC ramps are outside specification listed above.
System Impact
If ramp conditions are outside timing allowances above, POR condition can be missed, causing the device to lock
up.
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11 Device and Documentation Support
11.1 Trademarks
All trademarks are the property of their respective owners.
11.2 Electrostatic Discharge Caution
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
11.3 Glossary
SLYZ022 TI Glossary.
This glossary lists and explains terms, acronyms, and definitions.
12 Mechanical, Packaging, and Orderable Information
The following pages include mechanical, packaging, and orderable information. This information is the most
current data available for the designated devices. This data is subject to change without notice and revision of
this document. For browser-based versions of this data sheet, refer to the left-hand navigation.
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PACKAGE OPTION ADDENDUM
www.ti.com 24-Aug-2018
Addendum-Page 1
PACKAGING INFORMATION
Orderable Device Status
(1)
Package Type Package
Drawing Pins Package
Qty Eco Plan
(2)
Lead/Ball Finish
(6)
MSL Peak Temp
(3)
Op Temp (°C) Device Marking
(4/5)
Samples
PCA9539DB ACTIVE SSOP DB 24 60 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 PD9539
PCA9539DBQR ACTIVE SSOP DBQ 24 2500 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 85 PCA9539
PCA9539DBR ACTIVE SSOP DB 24 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 PD9539
PCA9539DGVR ACTIVE TVSOP DGV 24 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 PD9539
PCA9539DW ACTIVE SOIC DW 24 25 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 PCA9539
PCA9539DWR ACTIVE SOIC DW 24 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 PCA9539
PCA9539PW NRND TSSOP PW 24 60 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 PD9539
PCA9539PWE4 NRND TSSOP PW 24 60 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 PD9539
PCA9539PWG4 NRND TSSOP PW 24 60 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 PD9539
PCA9539PWR NRND TSSOP PW 24 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 PD9539
PCA9539PWRG4 NRND TSSOP PW 24 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 85 PD9539
PCA9539RGER ACTIVE VQFN RGE 24 3000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 85 PD9539
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance
do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may
reference these types of products as "Pb-Free".
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.
PACKAGE OPTION ADDENDUM
www.ti.com 24-Aug-2018
Addendum-Page 2
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based
flame retardants must also meet the <=1000ppm threshold requirement.
(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.
(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation
of the previous line and the two combined represent the entire Device Marking for that device.
(6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish
value exceeds the maximum column width.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device Package
Type Package
Drawing Pins SPQ Reel
Diameter
(mm)
Reel
Width
W1 (mm)
A0
(mm) B0
(mm) K0
(mm) P1
(mm) W
(mm) Pin1
Quadrant
PCA9539DBQR SSOP DBQ 24 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 Q1
PCA9539DBR SSOP DB 24 2000 330.0 16.4 8.2 8.8 2.5 12.0 16.0 Q1
PCA9539DGVR TVSOP DGV 24 2000 330.0 12.4 6.9 5.6 1.6 8.0 12.0 Q1
PCA9539DWR SOIC DW 24 2000 330.0 24.4 10.75 15.7 2.7 12.0 24.0 Q1
PCA9539PWR TSSOP PW 24 2000 330.0 16.4 6.95 8.3 1.6 8.0 16.0 Q1
PCA9539RGER VQFN RGE 24 3000 330.0 12.4 4.25 4.25 1.15 8.0 12.0 Q2
PACKAGE MATERIALS INFORMATION
www.ti.com 17-May-2014
Pack Materials-Page 1
*All dimensions are nominal
Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm)
PCA9539DBQR SSOP DBQ 24 2500 367.0 367.0 38.0
PCA9539DBR SSOP DB 24 2000 367.0 367.0 38.0
PCA9539DGVR TVSOP DGV 24 2000 367.0 367.0 35.0
PCA9539DWR SOIC DW 24 2000 367.0 367.0 45.0
PCA9539PWR TSSOP PW 24 2000 367.0 367.0 38.0
PCA9539RGER VQFN RGE 24 3000 367.0 367.0 35.0
PACKAGE MATERIALS INFORMATION
www.ti.com 17-May-2014
Pack Materials-Page 2
GENERIC PACKAGE VIEW
Images above are just a representation of the package family, actual package may vary.
Refer to the product data sheet for package details.
RGE 24 VQFN - 1 mm max height
PLASTIC QUAD FLATPACK - NO LEAD
4204104/H
NOTES:
1. All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing
per ASME Y14.5M.
2. This drawing is subject to change without notice.
3. The package thermal pad must be soldered to the printed circuit board for thermal and mechanical performance.
PACKAGE OUTLINE
www.ti.com
4224376 / A 07/2018
VQFN - 1 mm max height
PLASTIC QUAD FLATPACK- NO LEAD
RGE0024C
A
0.08 C
0.1 C A B
0.05 C
B
SYMM
SYMM
4.1
3.9
4.1
3.9
PIN 1 INDEX AREA
1 MAX
0.05
0.00
SEATING PLANE
C
2X 2.5
2.1±0.1
2X
2.5
20X 0.5
1
6
712
13
18
19
24
24X 0.30
0.18
24X 0.50
0.30
(0.2) TYP
PIN 1 ID
(OPTIONAL)
25
NOTES: (continued)
4. This package is designed to be soldered to a thermal pad on the board. For more information, see Texas Instruments
literature number SLUA271 (www.ti.com/lit/slua271).
5. Solder mask tolerances between and around signal pads can vary based on board fabrication site.
EXAMPLE BOARD LAYOUT
4224376 / A 07/2018
www.ti.com
VQFN - 1 mm max height
RGE0024C
PLASTIC QUAD FLATPACK- NO LEAD
SYMM
SYMM
LAND PATTERN EXAMPLE
SCALE: 20X
2X
(0.8)
2X(0.8)
(3.8)
( 2.1)
1
6
712
13
18
19
24
25
24X (0.6)
24X (0.24)
20X (0.5)
(R0.05)
SOLDER MASK DETAILS
NON SOLDER MASK
DEFINED
(PREFERRED)
SOLDER MASK
DEFINED
0.07 MAX
ALL AROUND
0.07 MIN
ALL AROUND
METAL
SOLDER MASK
OPENING
SOLDER MASK
OPENING
METAL UNDER
SOLDER MASK
(Ø0.2) VIA
TYP
(3.8)
NOTES: (continued)
6. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate
design recommendations..
EXAMPLE STENCIL DESIGN
4224376 / A 07/2018
www.ti.com
VQFN - 1 mm max height
RGE0024C
PLASTIC QUAD FLATPACK- NO LEAD
SYMM
SYMM
SOLDER PASTE EXAMPLE
BASED ON 0.125 mm THICK STENCIL
EXPOSED PAD
80% PRINTED COVERAGE BY AREA
SCALE: 20X
(3.8)
(0.57)
TYP
(0.57)
TYP
4X ( 0.94)
1
6
712
13
18
19
24
24X (0.24)
24X (0.58)
20X (0.5)
(R0.05) TYP
METAL
TYP
25
(0.19)
MECHANICAL DATA
MSSO002E – JANUARY 1995 – REVISED DECEMBER 2001
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
DB (R-PDSO-G**) PLASTIC SMALL-OUTLINE
4040065 /E 12/01
28 PINS SHOWN
Gage Plane
8,20
7,40
0,55
0,95
0,25
38
12,90
12,30
28
10,50
24
8,50
Seating Plane
9,907,90
30
10,50
9,90
0,38
5,60
5,00
15
0,22
14
A
28
1
2016
6,50
6,50
14
0,05 MIN
5,905,90
DIM
A MAX
A MIN
PINS **
2,00 MAX
6,90
7,50
0,65 M
0,15
0°ā8°
0,10
0,09
0,25
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion not to exceed 0,15.
D. Falls within JEDEC MO-150
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Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Texas Instruments:
PCA9539DB PCA9539DBQR PCA9539DBR PCA9539DGVR PCA9539DW PCA9539DWR PCA9539PW
PCA9539PWE4 PCA9539PWR PCA9539PWRE4 PCA9539RGER PCA9539DBQRG4 PCA9539DBG4
PCA9539DBRG4 PCA9539DGVRG4 PCA9539DWG4 PCA9539DWRG4 PCA9539PWG4 PCA9539PWRG4
PCA9539RGERG4