MC74AC374, MC74ACT374
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5
AC CHARACTERISTICS (For Figures and Waveforms − See AND8277/D at www.onsemi.com)
Symbol
Parameter
V
CC
*
(V)
74AC 74AC
Unit
Fig.
No.
T
A
= +25°C
C
L
= 50 pF
T
A
= −40°C
to +85°C
C
L
= 50 pF
Min Typ Max Min Max
f
max
Maximum Clock
3.3 60 110 − 60 −
MHz 3−3
Frequency 5.0 100 155 − 100 −
t
PLH
Propagation Delay
3.3 3.0 11 13.5 1.5 15.5
ns 3−6
CP to O
n
5.0 2.5 8.0 9.5 1.5 10.5
t
PHL
Propagation Delay
3.3 2.5 10 12.5 2.0 14
ns 3−6
CP to O
n
5.0 2.0 7.0 9.0 1.5 10
t
PZH
Output Enable Time
3.3 3.0 9.5 11.5 1.5 13
ns 3−7
5.0 2.0 7.0 8.5 1.0 9.5
t
PZL
Output Enable Time
3.3 2.5 9.0 11.5 1.5 13
ns 3−8
5.0 2.0 6.5 8.5 1.0 9.5
t
PHZ
Output Disable Time
3.3 3.0 10.5 12.5 2.0 14.5
ns 3−7
5.0 2.0 8.0 11 2.0 12.5
t
PLZ
Output Disable Time
3.3 2.0 8.0 11.5 1.0 12.5
ns 3−8
5.0 1.5 6.5 8.5 1.0 10
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
AC OPERATING REQUIREMENTS
Symbol Parameter
V
CC
*
(V)
74AC 74AC
Unit
Fig.
No.
T
A
= +25°C
C
L
= 50 pF
T
A
= −40°C
to +85°C
C
L
= 50 pF
Typ Guaranteed Minimum
t
s
Setup Time, HIGH or LOW 3.3 2.0 5.5 6.0
ns 3−9
D
n
to CP 5.0 1.0 4.0 4.5
t
h
Hold Time, HIGH or LOW 3.3 −1.0 1.0 1.0
ns 3−9
D
n
to CP 5.0 0 1.5 1.5
t
w
CP Pulse Width 3.3 4.0 5.5 6.0
ns 3−6
HIGH or LOW 5.0 2.5 4.0 4.5
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.