DM74LS251
3-STATE 1-of-8 Line Data Selector/Multiplexer
3-STATE version of DM74LS151
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
Maximum number of common outputs: 129
Typical propagation delay time (D to Y): 17 ns
Typical power dissipation: 35 mW
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