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74ACT299
8-Input Universal Shift/ Storage Register with Common Parallel I/O Pins
ON Semiconductor
74ACT299 Datasheet PDF : 12 Pages
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MC74AC299, MC74ACT299
AC CHARACTERISTICS
(For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74ACT
74ACT
Symbol
Parameter
V
CC
*
(V)
T
A
= +25
°
C
C
L
= 50 pF
T
A
= −40
°
C
to +85
°
C
C
L
= 50 pF
Unit
Fig.
No.
Min Typ Max Min Max
f
max
Maximum Input
Frequency
t
PLH
Propagation Delay
CP to Q
0 or
Q
7
t
PHL
Propagation Delay
CP to Q
0 or
Q
7
t
PLH
Propagation Delay
CP to I/O
n
t
PHL
Propagation Delay
CP to I/O
n
t
PHL
Propagation Delay
MR to Q
0 or
Q
7
t
PHL
Propagation Delay
MR to I/O
n
t
PZH
Output Enable Time
OE to I/O
n
t
PZL
Output Enable Time
OE to I/O
n
t
PHZ
Output Disable Time
OE to I/O
n
t
PLZ
Output Disable Time
OE to I/O
n
*Voltage Range 5.0 V is 5.0 V
±
0.5 V.
5.0 120 −
−
110
−
MHz 3−3
5.0 4.0
− 12.5 3.0
14
ns
3−6
5.0 4.0
− 13.5 3.5
15
ns
3−6
5.0 4.5
− 12.5 4.5 13.5
ns
3−6
5.0 5.0
−
15 4.5 16.5 ns
3−6
5.0 4.0
−
15 4.0 18
ns
3−6
5.0 4.0
− 14.5 3.5 17.5
ns
3−6
5.0 2.5
−
12 1.5 13
ns
3−7
5.0 2.0
−
12 1.5 13.5 ns
3−8
5.0 2.0
− 12.5 2.0 13.5
ns
3−7
5.0 2.5
−
11.5 2.0 12.5
ns
3−8
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