SN74ALS257AD
Manufacturers：
Texas Instruments
Description：
IC 2-TO-1 SEL/MUX TRI-ST 16-SOIC
SN74ALS257ADG4
Manufacturers：
Texas Instruments
Description：
IC DATA SELECTOR/MUX SGL 16SOIC
SN74ALS257ADR
Manufacturers：
Texas Instruments
Description：
IC QUAD 2-1 DATASEL/MUX 16-SOIC