DM74S251 - TRI-STATE 1 of 8 Line Data Selector/Multiplexer
DM74S251 Features
* Y Y Y Y Y Y Y Y TRI-STATE version of S151 Interface directly with system bus Perform parallel-to-serial conversion Permit multiplexing from N-lines to one line Complementary outputs provide true and inverted data Max no of common outputs 54S 39 74S 129 Typical propagation delay time (D to Y) 8 ns