54act299 National Semiconductor Corporation, 54act299 Datasheet - Page 6

• Manufacturer Part Number: 54act299
• Description: 8-input Universal Shift/storage Register With Common Parallel I/o Pins
• Manufacturer: National Semiconductor Corporation

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C
C
IN
PD
DC Electrical Characteristics
Note 6: I
Note 7: All outputs loaded; thresholds on input associated with output under test.
Note 8: Maximum test duration 2.0 ms, one output loaded at a time.
Capacitance
AC Electrical Characteristics
Note 9: Voltage Range 3.3 is 3.3V
Voltage Range 5.0 is 5.0V
Symbol
f
t
t
t
t
t
t
t
t
t
t
Symbol
max
PLH
PHL
PLH
PHL
PHL
PHL
PZH
PZL
PHZ
PLZ
CC
limit for 54ACT
Input Capacitance
Power Dissipation
Capacitance
Maximum Input
Frequency
Propagation Delay
CP to Q
(Shift Left or Right)
Propagation Delay
CP to Q
(Shift Left or Right)
Propagation Delay
CP to I/O
Propagation Delay
CP to I/O
Propagation Delay
MR to Q
Propagation Delay
MR to I/O
Output Enable Time
OE to I/O
Output Enable Time
OE to I/O
Output Disable Time
OE to I/O
Output Disable Time
OE to I/O
±
@
0.5V.
25˚C is identical to 74ACT
Parameter
Parameter
0
0
0
n
n
±
n
n
n
n
n
or Q
or Q
or Q
0.3V.
7
7
7
@
25˚C.
(Continued)
Typ
170
4.5
(Note 9)
V
(V)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
CC
6
Units
pF
pF
Min
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
70
80
T
C
to +125˚C
A
L
V
V
54AC
= −55˚C
= 50 pF
CC
CC
Conditions
= 5.0V
= 5.5V
Max
25.5
17.5
26.5
18.0
24.5
17.0
26.5
18.5
27.0
18.5
26.5
18.0
22.0
15.0
23.5
16.0
22.5
17.0
21.5
16.0
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Fig.
No.