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difeng
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樓主  發(fā)表于: 2009-02-22 08:23
如果在R端一直都是高電平1而沒(méi)發(fā)生向低電平跳變的情況下，給s端來(lái)一脈沖，定時(shí)器會(huì )開(kāi)始工作嗎 ？假如工作定時(shí)到后它的Q端會(huì )被一直都是高電平的R端復位嗎 ？
dujianjun
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1樓  發(fā)表于: 2009-03-09 20:54
kankan

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