TC4520BP/BF
2014-03-01
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TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC4520BP, TC4520BF
TC4520B Dual Binary Up Counter
TC4520B is up counters of 4 bit binary.
Since both of TC4520B contain two independent circuits of
counters with the same functions in one package, counting or
frequency division of eight binary bits can be achived with one IC.
The counters can be reset to “0” (Q0 to Q3 = “L”) by giving “H”
level signal to RESET input regardless of other inputs.
The counting condition is changed by the rising edge of CLOCK
input if ENABLE = “H” or by the falling edge of ENABLE if
CLOCK = “L”.
Pin Assignment
TC4520BP
TC4520BF
Weight
DIP16-P-300-2.54A : 1.00 g (typ.)
SOP16-P-300-1.27A : 0.18 g (typ.)
Start of commercial production
1978-09
TC4520BP/BF
2014-03-01
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Logic Diagram
1/2 TC4520B
Timing Chart
TC4520BP/BF
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Absolute Maximum Ratings (Note)
Characteristics Symbol Rating Unit
DC supply voltage VDD V
SS − 0.5 to VSS + 20 V
Input voltage VIN V
SS − 0.5 to VDD + 0.5 V
Output voltage VOUT V
SS − 0.5 to VDD + 0.5 V
DC input current IIN ±10 mA
Power dissipation PD 300 (DIP)/180 (SOIC) mW
Operating temperature range Topr −40 to 85 °C
Storage temperature range Tstg −65 to 150 °C
Note: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or
even destruction.
Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the
significant change in temperature, etc.) may cause this product to decrease in the reliability significantly
even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute
maximum ratings and the operating ranges.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test
report and estimated failure rate, etc).
Operating Ranges (VSS = 0 V) (Note)
Characteristics Symbol Test Condition Min Typ. Max Unit
DC supply voltage VDD ⎯ 3 ⎯ 18 V
Input voltage VIN ⎯ 0 ⎯ V
DD V
Note: The operating ranges must be maintained to ensure the normal operation of the device.
Unused inputs must be tied to either VDD or VSS.
TC4520BP/BF
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Static Electrical Characteristics (VSS = 0 V)
Test Condition −40°C 25°C 85°C
Characteristics Sym-
bol VDD
(V) Min Max Min Typ. Max Min Max
Unit
High-level output
voltage VOH ⎪IOUT⎪ < 1 μA
VIN = VSS, VDD
5
10
15
4.95
9.95
14.95
⎯
⎯
⎯
4.95
9.95
14.95
5.00
10.00
15.00
⎯
⎯
⎯
4.95
9.95
14.95
⎯
⎯
⎯
V
Low-level output
voltage VOL ⎪IOUT⎪ < 1 μA
VIN = VSS, VDD
5
10
15
⎯
⎯
⎯
0.05
0.05
0.05
⎯
⎯
⎯
0.00
0.00
0.00
0.05
0.05
0.05
⎯
⎯
⎯
0.05
0.05
0.05
V
VOH = 4.6 V
VOH = 2.5 V
VOH = 9.5 V
VOH = 13.5 V
5
5
10
15
−0.61
−2.5
−1.5
−4.0
⎯
⎯
⎯
⎯
−0.51
−2.1
−1.3
−3.4
−1.0
−4.0
−2.2
−9.0
⎯
⎯
⎯
⎯
−0.42
−1.7
−1.1
−2.8
⎯
⎯
⎯
⎯
Output high current IOH
VIN = VSS, VDD
mA
VOL = 0.4 V
VOL = 0.5 V
VOL = 1.5 V
5
10
15
0.61
1.5
4.0
⎯
⎯
⎯
0.51
1.3
3.4
1.2
3.2
12.0
⎯
⎯
⎯
0.42
1.1
2.8
⎯
⎯
⎯
Output low current IOL
VIN = VSS, VDD
mA
VOUT = 0.5 V, 4.5 V
VOUT = 1.0 V, 9.0 V
VOUT = 1.5 V, 13.5 V
5
10
15
3.5
7.0
11.0
⎯
⎯
⎯
3.5
7.0
11.0
2.75
5.5
8.25
⎯
⎯
⎯
3.5
7.0
11.0
⎯
⎯
⎯
Input high voltage VIH
⎪IOUT⎪ < 1 μA
V
VOUT = 0.5 V, 4.5 V
VOUT = 1.0 V, 9.0 V
VOUT = 1.5 V, 13.5 V
5
10
15
⎯
⎯
⎯
1.5
3.0
4.0
⎯
⎯
⎯
2.25
4.5
6.75
1.5
3.0
4.0
⎯
⎯
⎯
1.5
3.0
4.0
Input low voltage VIL
⎪IOUT⎪ < 1 μA
V
“H” level IIH V
IH = 18 V 18 ⎯ 0.1 ⎯ 10−50.1 ⎯ 1.0
Input
current “L” level IIL V
IL = 0 V 18 ⎯ −0.1 ⎯ −10−5−0.1 ⎯ −1.0
μA
Quiescent supply
current IDD VIN = VSS, VDD
(Note)
5
10
15
⎯
⎯
⎯
5
10
20
⎯
⎯
⎯
0.005
0.010
0.015
5
10
20
⎯
⎯
⎯
150
300
600
μA
Note: All valid input combinations.
TC4520BP/BF
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Dynamic Electrical Characteristics (Ta = 25°C, VSS = 0 V, CL = 50 pF)
Test Condition
Characteristics Symbol
V
DD (V)
Min Typ. Max Unit
Output transition time
(low to high)
tTLH ⎯
5
10
15
⎯
⎯
⎯
70
35
30
200
100
80
ns
Output transition time
(high to low)
tTHL ⎯
5
10
15
⎯
⎯
⎯
70
35
30
200
100
80
ns
Propagation delay time
(CLOCK, ENABLE-Q)
tpLH
tpHL ⎯
5
10
15
⎯
⎯
⎯
160
75
60
560
230
160
ns
Propagation delay time
(RESET-Q)
tpHL ⎯
5
10
15
⎯
⎯
⎯
110
55
40
560
230
160
ns
Max clock frequency tCL ⎯
5
10
15
1.5
3
4
6
14
18
⎯
⎯
⎯
MHz
Max clock input rise/fall time
trCL
tfCL ⎯
5
10
15
No limit μs
Max input rise/fall time
(ENABLE)
tr
tf ⎯
5
10
15
No limit μs
Min clock pulse width tW ⎯
5
10
15
⎯
⎯
⎯
30
15
10
200
100
70
ns
Min pulse width
(ENABLE)
tW ⎯
5
10
15
⎯
⎯
⎯
35
20
15
250
110
80
ns
Min pulse width
(RESET)
tWH ⎯
5
10
15
⎯
⎯
⎯
45
20
15
250
110
80
ns
Min removal time
(RESET-CLOCK, ENABLE)
trem ⎯
5
10
15
⎯
⎯
⎯
⎯
⎯
⎯
0
0
0
ns
Input capacitance CIN ⎯ ⎯ 5 7.5 pF
TC4520BP/BF
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Waveforms for Measurement of Dynamic Characteristics
Waveform 1
Waveform 2
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Application Circuit
Ripple carry counter
Ripple carry counter
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Package Dimensions
Weight: 1.00 g (typ.)
TC4520BP/BF
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Package Dimensions
Weight: 0.18 g (typ.)
TC4520BP/BF
2014-03-01
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