Demultiplexer - 简写Demux，解复用器，也叫数据分配器 其实是两对概念：Encoder/Decoder是跟code（码）相关的正反两个操作，Mux/Demux ...

The 74AHC138 and 74AHCT138 are high-speed Si-gate CMOS devices and are pin compatible with Low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard No. 7A. The 74AHC138 and ...