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74HC1648位串入并出移位寄存器
<img width="725" height="368" alt="" src="http://img.xiumi.us/xmi/ua/NSM2/i/6d584dc77cc8a369d7e0ce87c6ea2e3e-sz_641051.jpg?x-oss-process=style/xmorient" /><img src="http://statics.xiumi.us/stc/images/templates-assets/tpl-paper/image/917775998d646271c46a7b375b598a39-sz_2676.gif" /> <p> 概 述 </p> <p style="font-size:0px;"> <br /> </p> <p> 74HC164 是高速 CMOS 电路,管脚与低功耗肖特基 TTL(LSTTL)系列兼容。 74HC164 </p> <p> 是 8 位的串入并出、边沿触发的移位寄存器,串入数据由 DSA、DSB 输入, 在每个时钟 CP 的上升 </p> <p> 沿数据向右移一位,数据由 DSA 和 DSB 相与而成,且在上升沿到来之前已满足了建立时间。低电平 </p> <p> 有效的复位信号将直接把寄存器清零而输出为低。其主要特点如下: </p> <p>  &nbsp;较宽的工作电压:2~6V </p> <p>  &nbsp;相与的串行输入,直接的清零信号 </p> <p>  &nbsp;输出能驱动 10 个 LSTTL 负载 </p> <p>  &nbsp;封装型式:DIP14 / SOP14 </p> <p> <br /> </p> <img src="http://statics.xiumi.us/stc/images/templates-assets/tpl-paper/image/917775998d646271c46a7b375b598a39-sz_2676.gif" /> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 功能框图及引脚说明 </p> <p> 功能框图 </p> <img src="http://img.xiumi.us/xmi/ua/NSM2/i/c6ca89eb2c6e242d93ba93c23fb0ad15-sz_21361.jpg?x-oss-process=style/xmorient" /> <p> <br /> </p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;引脚排列图 </p> <p> Tips1:鼠标左键单击文字就可以编辑 </p> <p> Tips2:虽然文字可以多行书写 </p> <p> 但是这个歌词模板建议每个序列模块只写一行 </p> <p> Tips3:打开布局模式,第二层布局的灰色边缘 </p> <p> 便可调出滑动工具条 </p> <p> 点击设置滑动序列 </p> <p> 然后可以删除不需要的序列 </p> <p> Tips4:打开布局模式后 </p> <p> 点击最里面的一层布局,并复制 </p> <p> 然后点击第二层布局,设置滑动序列 </p> <p> 点击剪贴板中复制的样式 </p> <p> 就可以添加新的序列 </p> <p> 左方颜色要与前一个布局的右方颜色保持一致 </p> <p> 右方颜色要与下一个布局左方的颜色保持一致 </p> <p> ***** </p> <img src="http://img.xiumi.us/xmi/ua/NSM2/i/09d305b3a263c22123e0181573e001e7-sz_9192.jpg?x-oss-process=style/xmorient" /> <p> &nbsp;引脚说明及结构原理图 </p> <img src="http://img.xiumi.us/xmi/ua/NSM2/i/965aae44efb93dfad0857c3f5717f408-sz_23195.jpg?x-oss-process=style/xmorient" /><img src="http://img.xiumi.us/xmi/ua/NSM2/i/392ed49b72419d4dffcb9600706f0543-sz_16865.jpg?x-oss-process=style/xmorient" /> <p> 注:H:高电平 </p> <p> h:时钟上升沿前建立起来的高电平电压 </p> <p> L:低电平 </p> <p> l:时钟上升沿前建立起来的低电平电压 </p> <p> q:对应于时钟上升沿时,前面一个寄存器的状态 </p> <p> ↑:时钟上升沿 </p> <p> <br /> </p> <p style="text-align:center;"> ◆ ◆ ◆&nbsp;◆ </p> <p> 电特性 </p> <img src="http://img.xiumi.us/xmi/ua/NSM2/i/bf0534758f3133bd235b64de17a74320-sz_50772.jpg?x-oss-process=style/xmorient" /><img src="http://img.xiumi.us/xmi/ua/NSM2/i/fedc45f640a39dbf3f9f7c97852c8012-sz_17963.jpg?x-oss-process=style/xmorient" /><img src="http://img.xiumi.us/xmi/ua/NSM2/i/3a63c8c0dae3456a93052f4b371e7630-sz_40760.jpg?x-oss-process=style/xmorient" /><img src="http://img.xiumi.us/xmi/ua/NSM2/i/3a63c8c0dae3456a93052f4b371e7630-sz_40760.jpg?x-oss-process=style/xmorient" /><img src="http://img.xiumi.us/xmi/ua/NSM2/i/972e616d1a55ab36415d9b696a02e752-sz_41514.jpg?x-oss-process=style/xmorient" /><img src="http://img.xiumi.us/xmi/ua/NSM2/i/7114bb33dd8c5c01afd4f08df9c601b8-sz_38653.jpg?x-oss-process=style/xmorient" /><img src="http://img.xiumi.us/xmi/ua/NSM2/i/1ebef0ef36ea6a789b7f95ac819fea19-sz_14234.jpg?x-oss-process=style/xmorient" /><img src="http://img.xiumi.us/xmi/ua/NSM2/i/e66a7c27ea3a175850f05ad11e810a63-sz_28712.jpg?x-oss-process=style/xmorient" /><img src="http://img.xiumi.us/xmi/ua/NSM2/i/73f10c232636c8cd6671ad4968a4a39a-sz_38109.jpg?x-oss-process=style/xmorient" /> <p style="text-align:center;"> ◆ ◆ ◆&nbsp;◆ </p> <p> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;封装尺寸与外形图 </p> <p style="text-align:center;"> ◆ ◆ ◆&nbsp;◆ </p> <p> <img src="http://img.xiumi.us/xmi/ua/NSM2/i/a3e9dc6b7561d4e9bb872628673b6b0b-sz_59585.jpg?x-oss-process=style/xmorient" /><img src="http://img.xiumi.us/xmi/ua/NSM2/i/9ae5e2a74cdc5fda4e5f74b2707ae648-sz_31898.jpg?x-oss-process=style/xmorient" /> </p> <p> <br /> </p> <p> <img width="500" height="83" alt="" src="http://img.xiumi.us/xmi/ua/NSM2/i/7215cf86e30c719687d1af1d900e6c94-sz_206572.png" /> </p> <p> <img width="500" height="127" alt="" src="http://img.xiumi.us/xmi/ua/NSM2/i/16e672833b64d28b9d089e653d4e022b-sz_83925.png" /> </p> <p> 请留下你指尖的温度 </p> <p> 让太阳拥抱你 </p> <p> <strong>记得这是一个有温度的公众号</strong> </p> <img width="500" height="500" alt="" src="http://img.xiumi.us/xmi/ua/NSM2/i/fc4100317041594fbef5231216ae8188-sz_25267.jpg?x-oss-process=style/xmorient" />
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