MC74AC646, MC74ACT646
AC OPERATING REQUIREMENTS
74ACT
74ACT
= –40°C
T
A
T
C
= +25°C
= 50 pF
V
(V)
*
Fig.
No.
A
CC
to +85°C
= 50 pF
Symbol
Parameter
Unit
L
C
L
Typ
Guaranteed Minimum
Setup Time, HIGH or LOW
Bus to Clock
t
t
t
5.0
5.0
5.0
–
7.0
2.5
7.0
8.0
2.5
8.0
ns
ns
ns
3–9
3–9
3–6
s
Hold Time, HIGH or LOW
Bus to Clock
–
–
h
Clock Pulse Width
HIGH or LOW
w
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
Symbol
Value
Typ
Parameter
Unit
Test Conditions
C
C
C
Input Capacitance
4.5
15
60
pF
pF
pF
V
CC
V
CC
V
CC
= 5.0 V
= 5.0 V
= 5.0 V
IN
Input/Output Capacitance
I/O
PD
Power Dissipation Capacitance
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