74LS140
BDTIC
272.40 KB
Lsttl dual 4-input nand.
54LS140/74LS140 LSTTL 4 50Ω ： tpd=12ns Pd=4.3mW/ ： （1/2） ： ： A H L × × × H= B H × L × × L= C H × × L × D H × × × L ×= Y L H H H H ： 74Ⅱ Vcc V.
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