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4042 CMOS 四时钟控制D锁存器

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  • 上传时间:2021-11-17
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  • 标      签: 4042 CMOS

资 源 简 介

The CD4042BM/CD4042BC quad clocked ``D' latch is amonolithic complementary MOS (CMOS) integrated circuitconstructed with P- and N-channel enhancement modetransistors. The outputs Q and Q either latch or follow thedata input depending on the clock level which is programmedby the polarity input. For polarity e 0; the informationpresent at the data input is transferred to Q and Qduring 0 clock level; and for polarity e 1, the transfer occursduring the 1 clock level. When a clock transition occurs(positive for polarity e 0 and negative for polarity e 1), theinformation present at the input during the clock transition isretained at the outputs until an opposite clock transition occurs.
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