For faster navigation, this Iframe is preloading the Wikiwand page for 同步电路.

Our magic isn't perfect

You can help our automatic cover photo selection by reporting an unsuitable photo.

The cover is visually disturbing

The cover is not a good choice

Thank you for helping!

Your input will affect cover photo selection, along with input from other users.

< back
- Rich
- Minimal
Serif
Sans

Justify Text
Get Wikiwand
Note: preferences and languages are saved separately in https mode
{{::langAbbreviation}}
- Read On Wikipedia
- Edit
- History
- Talk Page
- Print
- Download PDF

{{::$root.activation.text}} {{::$root.activation.toolbarText}}

同步电路

同步电路是一种由定时器信号子电路所同步的一种时序逻辑电路。

在一个同步电路中，器件中逻辑等级的每一个改变都是同时的。所有的转变都是遵循一个特别的同步信号，称为“时钟（时脉）”。不管逻辑的链接有多长，在于时钟以及其他部分的逻辑转变都是没有延迟的，所以在整个电路的行为（在任意一点）皆可在任何速度下精确被预见。

在实际的电路中，时钟源到达各个寄存器的线网长度不同，因此需要使用一些时钟缓冲器来尽量降低时钟偏移的影响。

参见

查论编数字电路

概念	数码信号布尔代数开关组合逻辑电路时序逻辑电路同步异步真值表卡诺图有限状态机米利机摩尔机

硬件模块	逻辑门与或非同与非或非异或同或蕴含 TTL 74190 CMOS 加法器乘法器编码器译码器数据选择器锁存器寄存器触发器 RS D JK T 储存装置 ROM RAM 模拟数字转换器数字模拟转换器

IC、VLSI	定制程度（半、全） PLD PAL PLA GAL CPLD FPGA ASIC 设计验证电子设计自动化（EDA）硬件描述语言 Verilog VHDL 逻辑综合硬件验证语言 SystemVerilog

分类

{{bottomLinkPreText}} {{bottomLinkText}}

This page is based on a Wikipedia article written by contributors (read/edit).
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.

Cover photo is available under {{::mainImage.info.license.name || 'Unknown'}} license. Cover photo is available under {{::mainImage.info.license.name || 'Unknown'}} license. Credit: (see original file).

同步电路

{{current.index+1}} of {{items.length}}

Date: {{current.info.dateOriginal || 'Unknown'}}
Date: {{(current.info.date | date:'mediumDate') || 'Unknown'}}
Credit:
- Uploaded by: {{current.info.uploadUser}} on {{current.info.uploadDate | date:'mediumDate'}}
License: {{current.info.license.usageTerms || current.info.license.name || current.info.license.detected || 'Unknown'}}
License: {{current.info.license.usageTerms || current.info.license.name || current.info.license.detected || 'Unknown'}}
View file on Wikipedia

Suggest as cover photo

Would you like to suggest this photo as the cover photo for this article?

Yes, this would make a good choice No, never mind

Thank you for helping!

Your input will affect cover photo selection, along with input from other users.

Thanks for reporting this video!

{{result.lang}} {{result.T}}

No matching articles found

Search for articles containing: {{search.query}}

This browser is not supported by Wikiwand :(
Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience.
Please download and use one of the following browsers:

An extension you use may be preventing Wikiwand articles from loading properly.

If you're using HTTPS Everywhere or you're unable to access any article on Wikiwand, please consider switching to HTTPS (https://www.wikiwand.com).

Switch Wikiwand to HTTPS

An extension you use may be preventing Wikiwand articles from loading properly.

If you are using an Ad-Blocker, it might have mistakenly blocked our content. You will need to temporarily disable your Ad-blocker to view this page.

✕

This article was just edited, click to reload

This article has been deleted on Wikipedia (Why?)

Back to homepage

Please click Add in the dialog above

Please click Allow in the top-left corner,
then click Install Now in the dialog

Please click Open in the download dialog,
then click Install

Please click the "Downloads" icon in the Safari toolbar, open the first download in the list,
then click Install

{{::$root.activation.text}}

Install Wikiwand

Install on Chrome Install on Firefox

Don't forget to rate us

Tell your friends about Wikiwand!

Gmail Facebook Twitter Link

Enjoying Wikiwand?

Tell your friends and spread the love:

Share on Gmail Share on Facebook Share on Twitter Share on Buffer

All languages

{{::lang.NameEnglish}} - {{::lang.NameNative}}

Follow Us

Don't forget to rate us

Our magic isn't perfect

You can help our automatic cover photo selection by reporting an unsuitable photo.

This photo is visually disturbing This photo is not a good choice

Thank you for helping!

Your input will affect cover photo selection, along with input from other users.

X

Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?