HD74AC Datasheet, PDF (24/52 Pages) Hitachi Semiconductor – HD74AC Series Common Information

V_CC
V_CC - 0.1V
70% V_CC
Definition of Specifications
HD74ACXX Devices
30% V_CC
0.1V
0V
AC Test
Input Levels
DC LOW
Input Range
LOW Level
Noise
Immunity
DC HIGH
Input Range
HIGH Level
Noise
Immunity
Figure 2a Test Input Signal Levels
Transition
Region
V_CC
V_CC - 0.1V
HD74ACTXX Devices
3.0V
2.0V
0.8V
0.1V
0V
AC Test
Input Levels
DC LOW
Input Range
LOW Level
Noise
Immunity
DC HIGH
Input Range
HIGH Level
Noise
Immunity
Transition
Region
Figure 2b Test Input Signal Levels (cont)
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