74AC161 Просмотр технического описания (PDF) - Fairchild Semiconductor
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74AC161 Datasheet PDF : 11 Pages
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AC Operating Requirements for ACT
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
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
tW
tREC
MR Pulse Width, LOW
Recovery Time
MR to CP
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
5.0
Capacitance
Symbol
Parameter
Typ
CIN
Input Capacitance
CPD
Power Dissipation Capacitance
4.5
45.0
TA = +25°C
CL = 50 pF
Typ
TA = −40°C to +85°C
CL = 50 pF
Guaranteed Minimum
4.0
9.5
11.5
−5.0
0
0
4.0
8.5
9.5
−5.5
−0.5
−0.5
2.5
5.5
6.5
−3.0
0
0
2.0
3.0
3.5
2.0
3.0
3.5
3.0
3.0
7.5
0
0
0.5
Units
pF
pF
VCC = OPEN
VCC = 5.0V
Conditions
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
7
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