MC74ACT157 Просмотр технического описания (PDF) - Motorola => Freescale
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MC74ACT157 Datasheet PDF : 6 Pages
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MC74AC157 MC74ACT157
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
S to Zn
tPHL
Propagation Delay
S to Zn
tPLH
Propagation Delay
En to Zn
tPHL
Propagation Delay
En to Zn
tPLH
Propagation Delay
In to Zn
tPHL
Propagation Delay
In to Zn
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
5.0 2.0
5.0 2.0
5.0 1.5
5.0 1.5
5.0 1.5
5.0 1.5
9.0 1.5 10.0
ns
3-6
9.5 2.0 10.5
ns
3-6
10
1.5 11.5
ns
3-6
8.5 1.0 9.0
ns
3-6
7.0 1.0 8.5
ns
3-5
7.5 1.0 8.5
ns
3-5
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
5-5
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