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54AC161F View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54AC161F Synchronous Presettable Binary Counter National-Semiconductor
National ->Texas Instruments National-Semiconductor
54AC161F Datasheet PDF : 13 Pages
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AC Operating Requirements (Continued)
Symbol
Parameter
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
tw
MR Pulse Width, LOW
trec
Recovery Time
MR to CP
Note 11: Voltage Range 5.0 is 5.0V ±0.5V
VCC
(V)
(Note
11)
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
0
7.0
0.5
5.0
5.0
6.5
0.5
Fig.
Units
No.
ns
ns
ns
ns
ns
ns
ns
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
4.5
45.0
Units
pF
pF
Conditions
VCC = OPEN
VCC = 5.0V
9
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