- SN74ALS257ANIC 2-TO-1 SEL/MUX TRI-ST 16-DIP|TEXAS INSTRUMENTS|Lead free|RoHS Compliant
- SN74AS257NIC SELECTOR/MUX QUAD 2-1 16-PDIP|TEXAS INSTRUMENTS|Lead free|RoHS Compliant
- SN74AS257NE4IC SELECTOR/MUX QUAD 2-1 16-PDIP|TEXAS INSTRUMENTS|Lead free|RoHS Compliant
- SN74AS257DIC SELECTOR/MUX QUAD 2-1 16-SOIC|TEXAS INSTRUMENTS|Lead free|RoHS Compliant
- SN74AS257DE4IC SELECTOR/MUX QUAD 2-1 16-SOIC|TEXAS INSTRUMENTS|Lead free|RoHS Compliant
- SN74AS257DG4IC DATA SELECTOR/MUX SGL 16SOIC|TEXAS INSTRUMENTS|Lead free|RoHS Compliant
- DM74LS257BNIC SELECTOR/MUX QUAD 2INP 16-DIP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant
- 74F257APCIC MULTIPLEXER QUAD 2INP 16-DIP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant
- 74ACT257SCIC MUX QUAD 2-INPUT 3ST 16-SOIC|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant
- DM74AS257NIC DATA SELECTOR/MUX 2-1 16DIP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant