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1 SN74LS253D DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS 650K TI 4145399
2 SN74LS253D DUAL 4-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS 170K MOTOROLA 4145398
3 SN74LS253D LOW POWER SCHOTTKY 111K ON 4145397
4 SN74LS253D DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS 648K TI 268679
5 SN74LS253DE4 DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS 648K TI 2763315
6 SN74LS253DE4 DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS 648K TI 268680
7 SN74LS253DR DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS 648K TI 2024978
8 SN74LS253DR DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS 648K TI 268681
9 SN74LS253DRE4 DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS 648K TI 2024977
10 SN74LS253DRE4 DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS 648K TI 268682