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飞利浦74HC164 8位边沿触发移位寄存器 技术文档

更新时间:2018-09-18 21:21:29 大小:132K 上传用户:LVJINWEN查看TA发布的资源 标签:寄存器 下载积分:3分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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飞利浦74HC164 8位边沿触发移位寄存器技术文档

1. General description

The 74HC164; 74HCT164 are high-speed Si-gate CMOS devices and are pin compatible

with Low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC

standard no. 7A.

The 74HC164; 74HCT164 are 8-bit edge-triggered shift registers with serial data entry

and an output from each of the eight stages. Data is entered serially through one of two

inputs (DSA or DSB); either input can be used as an active HIGH enable for data entry

through the other input. Both inputs must be connected together or an unused input must

be tied HIGH.

Data shifts one place to the right on each LOW-to-HIGH transition of the clock (CP) input

and enters into Q0, which is the logical AND of the two data inputs (DSA and DSB) that

existed one set-up time prior to the rising clock edge.


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