通用输入/输出缓冲器，具有在以上供电电平条件下的反向电流保护能力

2010 12th Biennial Baltic Electronics Conference Pub Date : 2010-11-11 DOI:10.1109/BEC.2010.5630649

Junliang Bai, Jun Guo, G. Chen, Weiran Xu, DU Gang

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引用次数: 2

摘要

本文简要介绍了通用输入输出(GPIO)接口，重点介绍了输出电路部分。因此，提出了便携式应用的GPIO输出缓冲器，具有高达5mA的负载驱动能力，重叠保护和当输出被拉到电源轨道以上时在断开状态下的反向电流保护能力。该缓冲器能够在高达10MHz的频率下工作，最大电源电流为70 μ a。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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General purpose input/output's buffer with reverse current protection capability in above supply level condition

A general purpose input output (GPIO) interface is briefly overviewed in current paper, with the main focus on the output circuitry portion. As a result a GPIO output buffer for portable applications is proposed with up to 5mA load driving capability, an overlap protection and ability for reverse current protection in off state when output is pulled above supply rail. The buffer is able to work at frequencies up to 10MHz with a maximum supply current of 70µA.

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来源期刊

2010 12th Biennial Baltic Electronics Conference

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