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SN54157, SN54LS157, SN54LS158. SN54S157, SN54S158, SN74157, SN74LS157, SN74LS158, SN74S157. SN74S15B QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
M AR C H 1974- REVISED M AR C H 1 9 8 8