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1 SN74S257 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 676K TI 4247072
2 SN74S257 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 942K TI 2270786
3 SN74S257 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 1099K TI 2270785
4 SN74S257D QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 676K TI 4247071
5 SN74S257D QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 942K TI 2270784
6 SN74S257DE4 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 676K TI 4247070
7 SN74S257DE4 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 942K TI 3184594
8 SN74S257DG4 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 942K TI 3184547
9 SN74S257N QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 676K TI 4247069
10 SN74S257N QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 942K TI 2270783
11 SN74S257N3 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 676K TI 4451448
12 SN74S257N3 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 942K TI 3229843
13 SN74S257NE4 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 676K TI 4247068
14 SN74S257NE4 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 942K TI 2270782