资料介绍
74LS74.pdf D Flip-Flops with Preset Clear and Complementary Outputs
54LS74 DM54LS74A DM74LS74A Dual Positive-Edge-Triggered
June 1989
54LS74 DM54LS74A DM74LS74A
Dual Positive-Edge-Triggered D Flip-Flops
with Preset Clear and Complementary Outputs
General Description
This device contains two
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