MC74AC564 查看數據表（PDF） - Motorola => Freescale
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MC74AC564 Datasheet PDF : 8 Pages
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MC74AC564 MC74ACT564
AC OPERATING REQUIREMENTS
Symbol
Parameter
ts
Setup Time, HIGH or LOW
Dn to CP
th
Hold Time, HIGH or LOW
Dn to CP
tw
LE Pulse Width
HIGH or LOW
* Voltage Range 3.3 V is 3.3 V ±0.3 V.
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
74ACT
74ACT
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Typ
Guaranteed Minimum
5.0
2.5
3.0
ns
3-9
5.0
1.0
1.0
ns
3-9
5.0
3.0
3.5
ns
3-6
CAPACITANCE
Symbol
Parameter
CIN
CPD
Input Capacitance
Power Dissipation Capacitance
Value
Typ
Unit
4.5
pF
50
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
FACT DATA
5-7
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