54S153LM from National Semiconductor is a MULTIPLEXER, 2 FUNC, 4 LINE INPU
54S153FM from National Semiconductor is a MULTIPLEXER 4 LINE INPUT, TTL
54S153DM from National Semiconductor is a MULTIPLEXER 4 LINE INPUT, TTL
DM54S153J-MIL from National Semiconductor is a MUX, 2-FUNC, 4 LINE INPUT, TTL
SNJ54S153J from Texas Instruments is a MUX, S SERIES, 4 LINE INPUT TTL
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