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贴片SOP16脚多路解复用器芯片
SN74LS139ADR 165/109/112/163/155AD HD74LS161RPEL ARPEL SOP16
SN74LS139ADR165/109/112/163/1
贴片直插HD74HC161FPEL，HD74LS138RPEL，HEDR-8000#2K0
