M74HC251RM13TR M74HC253RM13TR M74HC257B1R

M74HC4020B1R/M74HC390RM13TR/M74HC253RM13TR

哛惔拈嗨僇嫩剶垶呙两

M74HC253RM13TR M74HC253RM 全新原装芯片直拍

原装74HC253RM13TR 74HC273MTCX 74HC27D 74HC27PW

M74HC253RM13TR逻辑芯片IC MULTIPLEXER 2 X 4:1 16SO

逻辑芯片M74HC253RM13TR[IC MULTIPLEXER 2 X 4:1 16SO]

M74HC253RM13TR/M74HC390RM13TR/M74HC4020B1R

全新74HC259PW,112 74HC259BQ,115 74HC257RM13TR 74HC253RM13TR