Each of these Schottky-clamped data selectors/multiplexers contains inverters and drivers to supply fully complementary, on-chip, binary decoding data selection to the AND-0R-invert gates. Separate strobe inputs are provided for each of the two four-line sections.
Permits Multiplexing from N lines to 1 line
Performs Parallel-to-Serial Conversion
Fully Compatible with most TTL Circuits
Low Power Dissipation … 31 mW Typical (Enabled)
Typical Average Propagation Delay Times:
-Data Input to Output … 15 ns
-Strobe Input to Output … 19 ns
-Select Input to Output … 22 ns
16 pin DIP. Actual brand may vary from picture.