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Description
TC74HC4520A View Datasheet(PDF) - Toshiba
Part Name
Description
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TC74HC4520A
DUAL 4-BIT BINARY COUNTER
Toshiba
TC74HC4520A Datasheet PDF : 9 Pages
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Operating Ranges (Note)
TC74HC4520AP/AF
Characteristics
Symbol
Rating
Unit
Supply voltage
Input voltage
Output voltage
Operating temperature
Input rise and fall time
V
CC
V
IN
V
OUT
T
opr
t
r
, t
f
2 to 6
V
0 to V
CC
V
0 to V
CC
V
−
40 to 85
°C
0 to 1000 (V
CC
=
2.0 V)
0 to 500 (V
CC
=
4.5 V)
ns
0 to 400 (V
CC
=
6.0 V)
Note: The operating ranges must be maintained to ensure the normal operation of the device.
Unused inputs must be tied to either VCC or GND.
Electrical Characteristics
DC Characteristics
Characteristics
Symbol
Test Condition
High-level input
voltage
V
IH
⎯
Low-level input
voltage
V
IL
⎯
High-level output
voltage
Low-level output
voltage
Input leakage
current
Quiescent supply
current
V
OH
V
IN
=
V
IH
or
V
IL
I
OH
= −
20
μ
A
I
OH
= −
4 mA
I
OH
= −
5.2 mA
V
IN
I
OL
=
20
μ
A
V
OL
=
V
IH
or
V
IL
I
OL
=
4 mA
I
OL
=
5.2 mA
I
IN
V
IN
=
V
CC
or GND
I
CC
V
IN
=
V
CC
or GND
Ta
=
25°C
Ta
= −
40 to
85°C
Unit
V
CC
(V)
Min
Typ.
Max
Min
Max
2.0 1.50
⎯
⎯
1.50
⎯
4.5 3.15
⎯
⎯
3.15
⎯
V
6.0 4.20
⎯
⎯
4.20
⎯
2.0
⎯
⎯
0.50
⎯
0.50
4.5
⎯
⎯
1.35
⎯
1.35
V
6.0
⎯
⎯
1.80
⎯
1.80
2.0 1.9 2.0
⎯
1.9
⎯
4.5 4.4 4.5
⎯
4.4
⎯
6.0 5.9 6.0
⎯
5.9
⎯
V
4.5 4.18 4.31
⎯
4.13
⎯
6.0 5.68 5.80
⎯
5.63
⎯
2.0
⎯
0.0 0.1
⎯
0.1
4.5
⎯
0.0 0.1
⎯
0.1
6.0
⎯
0.0 0.1
⎯
0.1
V
4.5
⎯
0.17 0.26
⎯
0.33
6.0
⎯
0.18 0.26
⎯
0.33
6.0
⎯
⎯ ±
0.1
⎯ ±
1.0
μ
A
6.0
⎯
⎯
4.0
⎯
40.0
μ
A
4
2007-10-01
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