MC74ACT194N 查看數據表（PDF） - Motorola => Freescale
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MC74ACT194N Datasheet PDF : 7 Pages
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MC74AC194 MC74ACT194
AC OPERATING REQUIREMENTS
Symbol
Parameter
ts
Setup Time,
Pn to CP
th
Hold Time, Pn to CP
ts
Setup Time, Sn to CP
th
Hold Time,
Sn to CP
ts
Setup Time,
DSR or DSL to Clock
th
Hold Time,
DSR or DSL to Clock
tw
CP Pulse Width
tw
MR Pulse Width, LOW
trec
Recovery Time
MR to CP
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
74ACT
74ACT
VCC* TA = +25°C
(V) CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Guaranteed Minimum
5.0
2.5
3.5
ns
3-9
5.0
1.5
5.0
3.5
2.0
ns
3-9
4.5
ns
3-9
5.0
1.5
2.0
ns
3-9
5.0
5.0
5.5
ns
3-9
5.0
1.5
5.0
4.0
5.0
4.0
5.0
1.0
2.0
ns
3-9
4.5
ns
3-9
4.5
ns
3-9
1.5
ns
3-9
CAPACITANCE
Symbol
Parameter
CIN
CPD
Input Capacitance
Power Dissipation Capacitance
Value
Typ
Unit
4.5
pF
125.0
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
FACT DATA
5-6
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