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SN74LVC1G3157: A端口信号问题

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Prodigy 120 points
Part Number: SN74LVC1G3157
Other Parts Discussed in Thread: TS5A63157, TS5A3160

你好，ti专家

  SN74LVC1G3157在VCC没有上电的情况下，A端口是否能可以有电压。

  按datasheet的9.2.1描述，需要等待到VCC建立后才可以加信号，我们的应用是 SN74LVC1G3157在目标电路板的接口上，外加的信号由其他电路板提供，不受SN74LVC1G3157目标板控制。