规格：逻辑系列/标号 74HCT257,
TEXAS INSTRUMENTS
Data Selector / Multiplexer, 3-State Outputs, HCT Family, 4 Channels, 2:1, 4.5 V to 5.5 V, SOIC-16
NEXPERIA
芯片, 74HCT CMOS逻辑器件
(EN)
TEXAS INSTRUMENTS
Data Selector / Multiplexer, 3-State Outputs, HCT Family, 4 Channels, 2:1, 4.5 V to 5.5 V, DIP-16
TEXAS INSTRUMENTS
逻辑芯片, 多路复用器, 四2输入, 三态, 16DIP
(EN)TEXAS INSTRUMENTS
逻辑芯片, 四路2输入多路复用器, 三态, 16SOIC
(EN)
