Data Sheet

74VHC74 — Dual D-Type Flip-Flop with Preset and Clear
DC Electrical Characteristics
Symbol P
arameter V
CC
(V) Conditions
T
A
= 25°C
T
A
= –40°C to
+85°C
UnitsMin. T
yp. Max. Min. Max.
V
IH
HIGH Lev
el Input
Voltage
2.0 1.50 1.50 V
3.0–5.5 0.7 x V
CC
0.7 x V
CC
V
IL
LOW Le
vel Input
Voltage
2.0 0.50 0.50 V
3.0–5.5 0.3 x V
CC
0.3 x V
CC
V
OH
HIGH Lev
el
Output Voltage
2.0 V
IN
= V
IH
or V
IL
I
OH
= –50µA 1.9
2.0 1.9 V
3.0 2.9 3.0 2.9
4.5 4.4 4.5 4.4
3.0 I
OH
= –4mA 2.58 2.48
4.5 I
OH
= –8mA 3.94 3.80
V
OL
LOW Le
vel
Output Voltage
2.0 V
IN
= V
IH
or V
IL
I
OL
= 50µA 0.0
0.1 0.1 V
3.0 0.0 0.1 0.1
4.5 0.0 0.1 0.1
3.0 I
OL
= 4mA 0.36 0.44
4.5 I
OL
= 8mA 0.36 0.44
I
IN
Input Leakage
Current
0–5.5 V
IN
= 5.5V or GND ±0.1 ±1.0
µA
I
CC
Quiescent
Supply Current
5.5 V
IN
= V
CC
or GND 2.0 20.0
µA
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