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AM26C31: AM26C31空载输出高电平时，电压跳变

Xinglong Yu
Prodigy 10 points

Part Number: AM26C31

 

如下图所示，AM26C31输出端悬空，输出高电平时，左半段输出电压与电源接近，约5V，右半段输出电压约4.2V。带负载后该现象消失。