MC74ACT161N 查看數據表（PDF） - ON Semiconductor
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MC74ACT161N Datasheet PDF : 16 Pages
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MC74AC161, MC74ACT161, MC74AC163, MC74ACT163
AC OPERATING REQUIREMENTS
Symbol
Parameter
Setup Time, HIGH or LOW
ts
Pn to CP
Hold Time, HIGH or LOW
th
Pn to CP
Setup Time, HIGH or LOW
ts
PE to CP
Hold Time, HIGH or LOW
th
PE to CP
Setup Time, HIGH or LOW
ts
CEP or CET to CP
Hold Time, HIGH or LOW
th
CEP or CET to CP
Clock Pulse Width (Load)
tw
HIGH or LOW
Clock Pulse Width (Count)
tw
HIGH or LOW
tw
MR Pulse Width, LOW
Recovery TIme
trec
MR to CP
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
74AC161
74AC161
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Typ
Guaranteed Minimum
3.3 6.0
13.5
5.0 3.5
8.5
16.0
10.5
ns
3–9
3.3 –7.0
–1.0
5.0 –4.0
0
–0.5
0
ns
3–9
3.3 6.5
11.5
5.0 4.0
7.5
14.0
8.5
ns
3–9
3.3 –6.0
0
5.0 –3.5
0.5
0
1.0
ns
3–9
3.3 3.0
6.0
5.0 2.0
4.5
7.0
5.0
ns
3–9
3.3 –3.5
0
5.0 –2.0
0
0
0.5
ns
3–9
3.3 2.0
3.5
5.0 2.0
2.5
4.0
3.0
ns
3–6
3.3 2.0
4.0
5.0 2.0
3.0
4.5
3.5
ns
3–6
3.3 3.0
5.5
5.0 2.5
4.5
7.5
6.0
ns
3–6
3.3 –2.0
–0.5
5.0 –1.0
0
0
0.5
ns
3–9
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