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74HC148_DataSheet
- 8到3译码器 74HC138是一款高速CMOS器件,74HC138引脚兼容低功耗肖特基TTL(LSTTL)系列。 74HC138译码器可接受3位二进制加权地址输入(A0, A1和A2),-8-3 decoder 74HC138 is a high-speed CMOS, 74HC138 pin compatible with low power Schottky TTL (LSTTL) series. 74HC138 decoder accepts three binary weighted a