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FEATURES
DESCRIPTION
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32
31
30
29
NC
NC
Y1
GND
Y2
Y3
VCC
Y4
Y5
Y6
GND
Y7
Y8
Y9
Y10
Y11
Y12
GND
Y13
Y14
Y15
VCC
Y16
Y17
GND
Y18
OE
LE
GND
NC
A1
GND
A2
A3
VCC
A4
A5
A6
GND
A7
A8
A9
A10
A11
A12
GND
A13
A14
A15
VCC
A16
A17
GND
A18
CLK
GND
DGG, DGV, OR DL PACKAGE
(TOP VIEW)
NC − No internal connection
SN74ALVCH162835
18-BIT UNIVERSAL BUS DRIVERWITH 3-STATE OUTPUTS
SCES121F JULY 1997 REVISED OCTOBER 2004
Member of the Texas Instruments Widebus™Family
EPIC™ (Enhanced-Performance ImplantedCMOS) Submicron ProcessOutput Port Has Equivalent 26- SeriesResistors, So No External Resistors AreRequired
ESD Protection Exceeds 2000 V PerMIL-STD-883, Method 3015; Exceeds 200 VUsing Machine Model (C = 200 pF, R = 0)Latch-Up Performance Exceeds 250 mA PerJESD 17Bus Hold on Data Inputs Eliminates the Needfor External Pullup/Pulldown ResistorsPackage Options Include Plastic ShrinkSmall-Outline (DL), Thin Shrink Small-Outline(DGG), and Thin Very Small-Outline (DGV)Packages
NOTE: For tape-and-reel order entry, the DGGR package isabbreviated to GR, and the DGVR package is abbreviatedto VR.
This 18-bit universal bus driver is designed for 1.65-Vto 3.6-V V
CC
operation.
Data flow from A to Y is controlled by theoutput-enable ( OE) input. The device operates in thetransparent mode when the latch-enable (LE) input ishigh. When LE is low, the A data is latched if theclock (CLK) input is held at a high or low logic level. IfLE is low, the A data is stored in the latch/flip-flop onthe low-to-high transition of CLK. When OE is high,the outputs are in the high-impedance state.<br/>
The output port includes equivalent 26- series resistors to reduce overshoot and undershoot.
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullupresistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
The SN74ALVCH162835 is characterized for operation from -40 °C to 85 °C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of TexasInstruments semiconductor products and disclaimers thereto appears at the end of this data sheet.Widebus, EPIC are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 1997–2004, Texas Instruments IncorporatedProducts conform to specifications per the terms of the TexasInstruments standard warranty. Production processing does notnecessarily include testing of all parameters.
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A6
47
A7
45
A8
44
A9
43
A10
42
A11
41
A12
40
A13
38
A14
37
A15
36
A16
34
A17
33
A18
31
OE EN1
27
30
CLK
3
Y1 5
Y2 6
Y3
9
Y5 10
Y6 12
Y7 13
Y8 14
Y9 15
Y10 16
Y11 17
Y12 19
Y13 20
Y14 21
Y15 23
Y16 24
Y17 26
Y18
C3
28
LE
G2
A1
54
A2
52
A3
51
A4
49
A5
48
2C3
8
Y4
3D
1
1
(1) This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
SN74ALVCH162835
18-BIT UNIVERSAL BUS DRIVERWITH 3-STATE OUTPUTS
SCES121F JULY 1997 REVISED OCTOBER 2004
FUNCTION TABLE
INPUTS
OUTPUT
YOE LE CLK A
H X X X ZL H X L LL H X H HL L L LL L H HL L L or H X Y
0
(1)
(1) Output level before the indicated steady-state input conditions wereestablished
xxx
xxx
LOGIC SYMBOL
(1)
2
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OE
CLK
Y1
1D
C1
CLK
To 17 Other Channels
LE
A1
27
30
28
54
3
ABSOLUTE MAXIMUM RATINGS
(1)
SN74ALVCH162835
18-BIT UNIVERSAL BUS DRIVERWITH 3-STATE OUTPUTS
SCES121F JULY 1997 REVISED OCTOBER 2004
LOGIC DIAGRAM (POSITIVE LOGIC)
over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
V
CC
Supply voltage range -0.5 4.6 VV
I
Input voltage range
(2)
-0.5 4.6 VV
O
Output voltage range
(2) (3)
-0.5 V
CC
+ 0.5 VI
IK
Input clamp current V
I
< 0 -50 mAI
OK
Output clamp current V
O
< 0 -50 mAI
O
Continuous output current ±50 mAContinuous current through each V
CC
or GND ±100 mADGG package 81θ
JA
Package thermal impedance
(4)
DGV package 86 °C/WDL package 74T
stg
Storage temperature range -65 150 °C
(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratingsonly, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operatingconditions" 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) This value is limited to 4.6 V maximum.(4) The package thermal impedance is calculated in accordance with JESD 51.
3
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RECOMMENDED OPERATING CONDITIONS
(1)
SN74ALVCH162835
18-BIT UNIVERSAL BUS DRIVERWITH 3-STATE OUTPUTS
SCES121F JULY 1997 REVISED OCTOBER 2004
MIN MAX UNIT
V
CC
Supply voltage 1.65 3.6 VV
CC
= 1.65 V to 1.95 V 0.65 ×V
CC
V
IH
High-level input voltage V
CC
= 2.3 V to 2.7 V 1.7 VV
CC
= 2.7 V to 3.6 V 2V
CC
= 1.65 V to 1.95 V 0.35 ×V
CC
V
IL
Low-level input voltage V
CC
= 2.3 V to 2.7 V 0.7 VV
CC
= 2.7 V to 3.6 V 0.8V
I
Input voltage 0 V
CC
VV
O
Output voltage 0 V
CC
VV
CC
= 1.65 V -2V
CC
= 2.3 V -6I
OH
High-level output current mAV
CC
= 2.7 V -8V
CC
= 3 V -12V
CC
= 1.65 V 2V
CC
= 2.3 V 6I
OL
Low-level output current mAV
CC
= 2.7 V 8V
CC
= 3 V 12t/ v Input transition rise or fall rate 10 ns/VT
A
Operating free-air temperature -40 85 °C
(1) All unused control inputs of the device must be held at V
CC
or GND to ensure proper device operation. Refer to the TI application report,Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
4
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ELECTRICAL CHARACTERISTICS
SN74ALVCH162835
18-BIT UNIVERSAL BUS DRIVERWITH 3-STATE OUTPUTS
SCES121F JULY 1997 REVISED OCTOBER 2004
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP
(1)
MAX UNIT
I
OH
= -100 µA 1.65 V to 3.6 V V
CC
- 0.2I
OH
= -2 mA 1.65 V 1.2I
OH
= -4 mA 2.3 V 1.9V
OH
2.3 V 1.7 VI
OH
= -6 mA
3 V 2.4I
OH
= -8 mA 2.7 V 2I
OH
= -12 mA 3 V 2I
OL
= 100 µA 1.65 V to 3.6 V 0.2I
OL
= 2 mA 1.65 V 0.45I
OL
= 4 mA 2.3 V 0.4V
OL
2.3 V 0.55 VI
OL
= 6 mA
3 V 0.55I
OL
= 8 mA 2.7 V 0.6I
OL
= 12 mA 3 V 0.8I
I
V
I
= V
CC
or GND 3.6 V ±5µAV
I
= 0.58 V 1.65 V 25V
I
= 1.07 V 1.65 V -25V
I
= 0.7 V 2.3 V 45I
I(hold)
V
I
= 1.7 V 2.3 V -45 µAV
I
= 0.8 V 3 V 75V
I
= 2 V 3 V -75V
I
= 0 to 3.6 V
(2)
3.6 V ±500I
OZ
V
O
= V
CC
or GND 3.6 V ±10 µAI
CC
V
I
= V
CC
or GND, I
O
= 0 3.6 V 40 µAI
CC
One input at V
CC
- 0.6 V, Other inputs at V
CC
or GND 3 V to 3.6 V 750 µAControl inputs 3.5C
i
V
I
= V
CC
or GND 3.3 V pFData inputs 6C
o
Outputs V
O
= V
CC
or GND 3.3 V 7 pF
(1) All typical values are at V
CC
= 3.3 V, T
A
= 25 °C.(2) This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state toanother.
5
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TIMING REQUIREMENTS
SWITCHING CHARACTERISTICS
SWITCHING CHARACTERISTICS
OPERATING CHARACTERISTICS
SN74ALVCH162835
18-BIT UNIVERSAL BUS DRIVERWITH 3-STATE OUTPUTS
SCES121F JULY 1997 REVISED OCTOBER 2004
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1 through Figure 3 )
V
CC
= 2.5 V V
CC
= 3.3 VV
CC
= 1.8 V V
CC
= 2.7 V±0.2 V ±0.3 V
UNITMIN MAX MIN MAX MIN MAX MIN MAX
f
clock
Clock frequency
(1)
150 150 150 MHzLE high
(1)
3.3 3.3 3.3t
w
Pulse duration nsCLK high or low
(1)
3.3 3.3 3.3Data before CLK
(1)
2.2 2.1 1.7t
su
Setup time CLK high
(1)
1.9 1.6 1.5 nsData before LE
CLK low
(1)
1.3 1.1 1Data after CLK
(1)
0.6 0.6 0.7t
h
Hold time nsData after LE CLK high or low
(1)
1.4 1.7 1.4
(1) This information was not available at the time of publication.
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1 through Figure 3 )
V
CC
= 2.5 V V
CC
= 3.3 VV
CC
= 1.8 V V
CC
= 2.7 VFROM TO
±0.2 V ±0.3 VPARAMETER UNIT(INPUT) (OUTPUT)
MIN TYP MIN MAX MIN MAX MIN MAX
f
max
(1)
150 150 150 MHzA
(1)
1 5 5 1 4.2t
pd
LE Y
(1)
1.3 5.9 5.8 1.3 5.1 nsCLK
(1)
1.4 6.3 6.1 1.4 5.4t
en
OE Y
(1)
1.4 6.3 6.5 1.1 5.5 nst
dis
OE Y
(1)
1 4.7 4.9 1.3 4.5 ns
(1) This information was not available at the time of publication.
from 0 °C to 65 °C, C
L
= 50 pF
V
CC
= 3.3 VFROM TO
±0.15 VPARAMETER UNIT(INPUT) (OUTPUT)
MIN MAX
t
pd
CLK Y 1.9 5 ns
T
A
= 25 °C
V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 VPARAMETER TEST CONDITIONS UNITTYP TYP TYP
Outputs enabled
(1)
36 41C
pd
Power dissipation capacitance C
L
= 0, f = 10 MHz pFOutputs disabled
(1)
12.5 14
(1) This information was not available at the time of publication.
6
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PARAMETER MEASURE INFORMATION
VCC/2
VCC/2
VCC/2VCC/2
VCC/2VCC/2
VCC/2
VCC/2
VOH
VOL
th
tsu
From Output
Under Test
CL = 30 pF
(see Note A)
LOAD CIRCUIT
S1 Open
GND
1 k
1 k
Output
Control
(low-level
enabling)
Output
Waveform 1
S1 at 2 × VCC
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
tPZL
tPZH
tPLZ
tPHZ
0 V
VOL + 0.15 V
VOH − 0.15 V
0 V
VCC
0 V
0 V
tw
VCC VCC
VOLTAGE WA VEFORMS
SETUP AND HOLD TIMES
VOLTAGE WA VEFORMS
PULSE DURATION
VOLTAGE WA VEFORMS
ENABLE AND DISABLE TIMES
Timing
Input
Data
Input
Input
tpd
tPLZ/tPZL
tPHZ/tPZH
Open
2 × VCC
GND
TEST S1
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.
Waveform2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR 10 MHz, ZO = 50 , tr 2 ns, tf 2 ns.
D. The outputs are measured one at a time, with one transition per measurement.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as ten.
G. tPLH and tPHL are the same as tpd.
0 V
VCC
VCC/2
tPHL
VCC/2 VCC/2 VCC
0 V
VOH
VOL
Input
Output
VOLTAGE WA VEFORMS
PROPAGATION DELAY TIMES
VCC/2 VCC/2
tPLH
2 × VCC
VCC
SN74ALVCH162835
18-BIT UNIVERSAL BUS DRIVERWITH 3-STATE OUTPUTS
SCES121F JULY 1997 REVISED OCTOBER 2004
V
CC
= 1.8 V
Figure 1. Load Circuit and Voltage Waveforms
7
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PARAMETER MEASURE INFORMATION
VCC/2
VCC/2
VCC/2VCC/2
VCC/2VCC/2
VCC/2
VCC/2
VOH
VOL
th
tsu
From Output
Under Test
CL = 30 pF
(see Note A)
LOAD CIRCUIT
S1 Open
GND
500
500
Output
Control
(low-level
enabling)
Output
Waveform 1
S1 at 2 × VCC
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
tPZL
tPZH
tPLZ
tPHZ
0 V
VOL + 0.15 V
VOH − 0.15 V
0 V
VCC
0 V
0 V
tw
VCC VCC
VOLTAGE WA VEFORMS
SETUP AND HOLD TIMES
VOLTAGE WA VEFORMS
PULSE DURATION
VOLTAGE WA VEFORMS
ENABLE AND DISABLE TIMES
Timing
Input
Data
Input
Input
tpd
tPLZ/tPZL
tPHZ/tPZH
Open
2 × VCC
GND
TEST S1
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.
Waveform2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR 10 MHz, ZO = 50 , tr 2 ns, tf 2 ns.
D. The outputs are measured one at a time, with one transition per measurement.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as ten.
G. tPLH and tPHL are the same as tpd.
0 V
VCC
VCC/2
tPHL
VCC/2 VCC/2 VCC
0 V
VOH
VOL
Input
Output
VOLTAGE WA VEFORMS
PROPAGATION DELAY TIMES
VCC/2 VCC/2
tPLH
2 × VCC
VCC
SN74ALVCH162835
18-BIT UNIVERSAL BUS DRIVERWITH 3-STATE OUTPUTS
SCES121F JULY 1997 REVISED OCTOBER 2004
V
CC
= 2.5 V ±0.2 V
Figure 2. Load Circuit and Voltage Waveforms
8
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PARAMETER MEASURE INFORMATION
tPHZ
VOH
VOL
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
S1 6 V
Open
GND
500
500
tPLH tPHL
Output
Control
(low-level
enabling)
Output
Waveform 1
S1 at 6 V
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
tPZL
tPZH
tPLZ
1.5 V
1.5 V
1.5 V 1.5 V 2.7 V
0 V
1.5 V 1.5 V VOH
VOL
0 V
1.5 V VOL + 0.3 V
1.5 V VOH − 0.3 V
0 V
1.5 V 2.7 V
0 V
0 V
2.7 V
0 V
Input
2.7 V 2.7 V
3 V
VOLTAGE WA VEFORMS
SETUP AND HOLD TIMES
VOLTAGE WA VEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WA VEFORMS
PULSE DURATION
VOLTAGE WA VEFORMS
ENABLE AND DISABLE TIMES
Timing
Input
Data
Input
Output
Input
tpd
tPLZ/tPZL
tPHZ/tPZH
Open
6 V
GND
TEST S1
1.5 V 1.5 V
tw
th
tsu
1.5 V 1.5 V
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.
Waveform2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR 10 MHz, ZO = 50 , tr 2.5 ns, tf 2.5 ns.
D. The outputs are measured one at a time, with one transition per measurement.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as ten.
G. tPLH and tPHL are the same as tpd.
SN74ALVCH162835
18-BIT UNIVERSAL BUS DRIVERWITH 3-STATE OUTPUTS
SCES121F JULY 1997 REVISED OCTOBER 2004
V
CC
= 2.7 V AND 3.3 V ±0.3 V
Figure 3. Load Circuit and Voltage Waveforms
9
PACKAGE OPTION ADDENDUM
www.ti.com 20-Aug-2011
Addendum-Page 1
PACKAGING INFORMATION
Orderable Device Status (1) Package Type Package
Drawing Pins Package Qty Eco Plan (2) Lead/
Ball Finish MSL Peak Temp (3) Samples
(Requires Login)
74ALVCH162835DLG4 ACTIVE SSOP DL 56 20 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74ALVCH162835DGGR OBSOLETE TSSOP DGG 56 TBD Call TI Call TI
SN74ALVCH162835DGVR OBSOLETE TVSOP DGV 56 TBD Call TI Call TI
SN74ALVCH162835DL ACTIVE SSOP DL 56 20 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
(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) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability
information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight
in homogeneous material)
(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
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.
MECHANICAL DATA
MPDS006C – FEBRUAR Y 1996 – REVISED AUGUST 2000
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
DGV (R-PDSO-G**) PLASTIC SMALL-OUTLINE
24 PINS SHOWN
14
3,70
3,50 4,90
5,10
20
DIM
PINS **
4073251/E 08/00
1,20 MAX
Seating Plane
0,05
0,15
0,25
0,50
0,75
0,23
0,13
112
24 13
4,30
4,50
0,16 NOM
Gage Plane
A
7,90
7,70
382416
4,90
5,103,70
3,50
A MAX
A MIN
6,60
6,20
11,20
11,40
56
9,60
9,80
48
0,08
M
0,07
0,40
0°8°
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 per side.
D. Falls within JEDEC: 24/48 Pins – MO-153
14/16/20/56 Pins – MO-194
MECHANICAL DATA
MSSO001C – JANUARY 1995 – REVISED DECEMBER 2001
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
DL (R-PDSO-G**) PLASTIC SMALL-OUTLINE PACKAGE
4040048/E 12/01
48 PINS SHOWN
56
0.730
(18,54)
0.720
(18,29)
4828
0.370
(9,40)
(9,65)
0.380
Gage Plane
DIM
0.420 (10,67)
0.395 (10,03)
A MIN
A MAX
0.010 (0,25)
PINS **
0.630
(16,00)
(15,75)
0.620
0.010 (0,25)
Seating Plane
0.020 (0,51)
0.040 (1,02)
25
24
0.008 (0,203)
0.0135 (0,343)
48
1
0.008 (0,20) MIN
A
0.110 (2,79) MAX
0.299 (7,59)
0.291 (7,39)
0.004 (0,10)
M
0.005 (0,13)
0.025 (0,635)
0°ā8°
0.005 (0,13)
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion not to exceed 0.006 (0,15).
D. Falls within JEDEC MO-118
MECHANICAL DATA
MTSS003D – JANUARY 1995 – REVISED JANUAR Y 1998
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
DGG (R-PDSO-G**) PLASTIC SMALL-OUTLINE PACKAGE
4040078/F 12/97
48 PINS SHOWN
0,25
0,15 NOM
Gage Plane
6,00
6,20 8,30
7,90
0,75
0,50
Seating Plane
25
0,27
0,17
24
A
48
1
1,20 MAX
M
0,08
0,10
0,50
0°–8°
56
14,10
13,90
48
DIM
A MAX
A MIN
PINS **
12,40
12,60
64
17,10
16,90
0,15
0,05
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold protrusion not to exceed 0,15.
D. Falls within JEDEC MO-153
IMPORTANT NOTICE
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