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54ACT161 View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54ACT161 Synchronous Presettable Binary Counter National-Semiconductor
National ->Texas Instruments National-Semiconductor
54ACT161 Datasheet PDF : 13 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
AC Operating Requirements (Continued)
Symbol
Parameter
trec
Recovery Time
MR to CP
Note 9: Voltage Range 3.3 is 3.3V ±0.3V
Voltage Range 5.0 is 5.0V ±0.5V
VCC
(V)
(Note 9)
AC Electrical Characteristics
Symbol
Parameter
fmax
Maximum Count
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
tPHL
Propagation Delay
MR to Qn
tPHL
Propagation Delay
MR to TC
Note 10: Voltage Range 5.0 is 5.0V ±0.5V
VCC
(V)
(Note 10)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
AC Operating Requirements
Symbol
Parameter
ts
th
ts
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Setup Time, HIGH or LOW
Pn to CP
Hold Time, HIGH or LOW
Pn to CP
Setup Time, HIGH or LOW
PE to CP
VCC
(V)
(Note
11)
5.0
5.0
5.0
8
54AC
TA = −55˚C
to +125˚C
CL = 50 pF
Guaranteed Minimum
1.5
2.0
54ACT
TA = −55˚C
to +125˚C
CL = 50 pF
Min
Max
85
1.0
10.5
1.0
10.5
1.0
14.0
1.0
12.5
1.0
9.5
1.0
9.5
1.0
10.0
1.0
11.5
54ACT
TA = −55˚C
to +125˚C
CL = 50 pF
Guaranteed Minimum
13.0
0
11.0
Units
ns
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
Units
ns
ns
ns
Fig.
No.
Fig.
No.
Fig.
No.
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