MC74F257A 데이터 시트보기 (PDF) - Motorola => Freescale
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MC74F257A Datasheet PDF : 3 Pages
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AC CHARACTERISTICS
Symbol
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Parameter
Propagation Delay
In to Zn
Propagation Delay
S to Zn
Output Enable Time
Output Disable Time
MC74F257A
74F
74F
TA = +25°C
TA = 0°C to 70°C
VCC = +5.0 V
VCC = 5.0 V ± 10%
CL = 50 pF
CL = 50 pF
Min
Max
Min
Max
Unit
1.5
5.5
1.5
6.0
ns
2.0
5.5
2.0
6.0
3.0
9.5
3.0
10.5
ns
2.5
7.0
2.5
8.0
2.0
6.5
2.0
7.0
ns
2.5
7.0
2.5
8.0
2.0
6.0
2.0
7.0
ns
2.0
6.0
2.0
7.0
FAST AND LS TTL DATA
4-129
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