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54AC169F View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54AC169F 4-Stage Synchronous Bidirectional Counter National-Semiconductor
National ->Texas Instruments National-Semiconductor
54AC169F Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
AC Electrical Characteristics
Symbol
Parameter
fmax
Maximum Clock
Frequency
tPLH
Propagation Delay
CP to Qn
(PE HIGH or LOW)
tPHL
Propagation Delay
CP to Qn
(PE HIGH or LOW)
tPLH
Propagation Delay
CP to TC
tPHL
Propagation Delay
CP to TC
tPLH
Propagation Delay
CET to TC
tPHL
Propagation Delay
CET to TC
tPLH
Propagation Delay
U/D to TC
tPHL
Propagation Delay
U/D to TC
Note 8: Voltage Range 3.3 is 3.3V ±0.3V
Voltage Range 5.0 is 5.0V ±0.5V
VCC
(V)
(Note 8)
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
54AC
TA = −55˚C
to +125˚C
Fig.
Units
No.
CL = 50 pF
Min
Max
55
MHz
75
1.0
15.0
1.5
12.0
ns
1.0
16.5
1.5
13.0
ns
3.0
22.0
ns
3.0
16.0
3.0
22.0
ns
3.0
16.0
1.0
18.5
ns
1.5
13.0
1.0
16.0
ns
1.5
11.0
1.0
18.5
ns
1.5
13.0
1.0
16.5
ns
1.5
12.0
AC Operating Requirements
Symbol
Parameter
ts
Setup Time,
HIGH or LOW
Pn to CP
th
Hold Time, HIGH or LOW
Pn to CP
ts
Setup Time,
HIGH or LOW
CEP to CP
th
Hold Time, HIGH or LOW
CEP to CP
ts
Setup Time,
HIGH or LOW
CET to CP
54AC
VCC
TA = −55˚C
Fig.
(V)
to +125˚C
Units
No.
(Note 9)
CL = 50 pF
Guaranteed
Minimum
3.3
7.0
5.0
4.5
ns
3.3
2.0
ns
5.0
2.5
3.3
13.5
5.0
9.0
ns
3.3
0.5
ns
5.0
2.5
3.3
13.5
5.0
9.0
ns
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