74LS251 Datasheet - Fairchild Semiconductor

74LS251, 3-STATE 1-of-8 Line Data Selector/Multiplexer

DM74LS251 3-STATE 1-of-8 Line Data Selector/Multiplexer August 1986 Revised March 2000 DM74LS251 3-STATE 1-of-8 Line Data Selector/Multiplexer Gener.
These data selectors/multiplexers contain full on-chip binary decoding to select one-of-eight data sources, and feature a strobe-controlled 3-STATE ou.

Features

* s 3-STATE version of DM74LS151 s Interface directly with system bus s Perform parallel-to-serial conversion s Permit multiplexing from N-lines to one line s Complementary outputs provide true and inverted data s Maximum number of common outputs: 129 s Typical propagation delay time (D to Y): 17 ns s

74LS251_FairchildSemiconductor.pdf