MC74ACT139D 查看數據表（PDF） - Motorola => Freescale
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MC74ACT139D Datasheet PDF : 6 Pages
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MC74AC139 MC74ACT139
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74ACT
74ACT
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Min Typ Max Min Max
tPLH
Propagation Delay
An to On
tPHL
Propagation Delay
An to On
tPLH
Propagation Delay
En to On
tPHL
Propagation Delay
En to On
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
5.0 1.5 6.0 8.5 1.5 9.5
ns
3-6
5.0 1.5 6.0 9.5 1.5 10.5
ns
3-6
5.0 2.5 7.0 10.0 2.0 11.0
ns
3-6
5.0 2.0 7.0 9.5 1.5 10.5
ns
3-6
CAPACITANCE
Symbol
Parameter
CIN
CPD
Input Capacitance
Power Dissipation Capacitance
Value
Typ
Unit
4.5
pF
40
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
FACT DATA
5-5
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