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数字电路设计 D触发器能组成计数器吗

2025-04-07 10:04:11

推荐回答（1个）

回答（1）：

D触发器只能构成二进制数，对应的1位十进制数就是1001=9（0000=0）；所以你需要四个D触发器来构成十进制计数器，如74LS175、375等等就是4D触发器芯片，也可以采用CD4013---双D触发器芯片来构造电路，他们都有复位端，通过通过逻辑门电路检测1010出现时（就是这两个位是1时）产生复位信号，复位到0000；

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