The SN74LS153N is a monolithic dual 4-line to 1-line Data Selector/Multiplexer contains inverters and drivers to supply fully complementary, on-chip and binary decoding data selection to the AND-OR gates. Separator strobe inputs are provided for each of the two 4-time sections.
Permits multiplexing from N lines to 1 line
Performs parallel-to-serial conversion
Strobe (enable) line provided for cascading (N lines to n lines)