74LS128
TW
312.13 KB
Lsttl type four 2-input nor line driver.
： tpd=12ns Pd=5.5mW/
：
54LS128/74LS128 LSTTL 2 75Ω （1/4）
：
：
A
B
H
H
×
H
H
×
L
L
Y L L L H
Vcc VIH VIL IOH IOL TA
：
7.
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