对比图
型号 M74HC257B1 TC74HC257AP 74HC257N
描述 IC MULTIPLEXER QUAD 2CH 16-DIPMultiplexer 1Element CMOS 3-ST 8IN 16Pin PDIP TubeQuad 2input multiplexer 3-state
数据手册 ---
制造商 ST Microelectronics (意法半导体) Toshiba (东芝) Philips (飞利浦)
分类 逻辑芯片
封装 DIP DIP DIP
安装方式 - Through Hole -
封装 DIP DIP DIP
产品生命周期 Unknown Obsolete Unknown
RoHS标准 RoHS Compliant RoHS Compliant RoHS Compliant
含铅标准 Lead Free Lead Free Lead Free