Data Sheet
74VHC112 Dual J-K Flip-Flops with Preset and Clear
©1995 Fairchild Semiconductor Corporation www.fairchildsemi.com
74VHC112 Rev. 1.2 4
DC Electrical Characteristics
Symbol Parameter V
CC
(V) Conditions
T
A
=
25°C
T
A
=
–40°C to
+85°C
UnitsMin. Typ. Max. Min. Max.
V
IH
HIGH Level 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 Level 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 Level
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 Level
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