- SN74F257N
- Texas Instruments
- IC QUAD 2-1 DATA SEL/MUX 16-DIP - SN74F257N
- SN74F257NE4
- Texas Instruments
- IC SELECTOR MUX QUAD 2-1 16-DIP - SN74F257NE4
- SN74F257NSR
- Texas Instruments
- IC SELECTOR/MUX QD 2X1 3ST 16SOP - SN74F257NSR
- SN74F257NSRE4
- Texas Instruments
- IC SELECTOR MUX QUAD 2-1 16-SOP - SN74F257NSRE4
- SN74F257NSRG4
- Texas Instruments
- IC DATA SELECTOR/MUX SGL 16SOP - SN74F257NSRG4