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贴插EC48117-1.8 74HC166RPEL M74HC139TTR M74HC165B1R N
M74HC166M1R M74HC165TTR M74HC165M1R M74HC165B1R M74HC164TTR
原M74HC164RM13TR M74HC165B1R M74HC165RM13TR M74HC174RM13TR原
M74HC165TTR/M74HC173B1R/M74HC174B1R
M74HC165TTR M74HC173B1R M74HC174B1R
SN74LS165N M51994P M74HC4094B1R SN74LS192N UPD4015保质直拍赞
SN74LS165N M51994P M74HC4094B1R SN74LS192N UPD4015适用卡邻赞
M74HC165TTR 手册 M74HC173B1R