SN74F253N
Manufacturers：
Texas Instruments
Description：
IC DUAL 1-OF-4 SEL/MUX 16-DIP
SN74F253NSR
Manufacturers：
Texas Instruments
Description：
IC SELECTOR/MUX DUAL 1OF4 16SO
SN74F253NSRE4
Manufacturers：
Texas Instruments
Description：
IC SELECTOR/MUX DUAL 1OF4 16SO
SN74F253NSRG4
Manufacturers：
Texas Instruments
Description：
IC DATA SELECTOR/MUX SGL 16SO