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74系列芯片总汇
- 74HC/LS/HCT/F系列芯片的区别 LS是低功耗肖特基,HC是高速COMS。LS的速度比HC略快。HCT输入输出与LS兼容,但是功耗低;F是高速肖特基电路;(The difference between 74HC/LS/HCT/F series chips LS is low power Schottky, HC is high speed COMS. The speed of LS is faster than that of HC. The HCT input and output