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hc139引脚图及功能,74hc132引脚图及功能

74hc139d-t 2-to-4-line demultiplexer
74hc139d-t 2-to-4-line demultiplexer74hc139中文资料真值表引脚图极限参数等
74hc139中文资料真值表引脚图极限参数等74hc393n.652
74hc393n.65274ls139中文参数资料
74ls139中文参数资料> mm74hc139 (fairchild semiconductor corporation) dual 2-to-4
> mm74hc139 (fairchild semiconductor corporation) dual 2-to-4
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