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54AC163 View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54AC163 Synchronous Presettable Binary Counter National-Semiconductor
National ->Texas Instruments National-Semiconductor
54AC163 Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
AC Electrical Characteristics
Symbol
Parameter
fmax
Maximum Clock
Frequency
tPLH
Propagation Delay, CP to Qn
(PE Input HIGH or LOW)
tPHL
Propagation Delay, CP to Qn
(PE Input 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
Note 10: Voltage Range 5.0 is 5.0V ±0.5V
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
SR to CP
th
Hold Time, HIGH or LOW
SR to CP
ts
Setup Time, HIGH or LOW
PE to CP
th
Hold Time, HIGH or LOW
PE to CP
ts
Setup Time, HIGH or LOW
CEP or CET to CP
th
Hold Time, HIGH or LOW
CEP or CET to CP
tw
Clock Pulse Width (Load)
HIGH or LOW
tw
Clock Pulse Width
(Count) HIGH or LOW
Note 11: Voltage Range 5.0 is 5.0V ±0.5V
www.national.com
VCC
(V)
(Note 10)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
54ACT
TA = −55˚C
to +125˚C
CL = 50 pF
Min
Max
90
1.5
10.5
1.5
10.5
1.5
12.5
1.5
13.0
1.5
9.5
1.5
9.5
Units
MHz
ns
ns
ns
ns
ns
ns
VCC
(V)
(Note 11)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
54ACT
TA = −55˚C
to +125˚C
CL = 50 pF
Guaranteed
Minimum
13.5
0.5
13.5
0.0
11.5
0.0
7.0
0.5
5.0
5.0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
8
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