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74253 Data Selectors/Mux


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-OR gates. Separate output control inputs are provided for each of the two four-line sections.The 3-STATE outputs can interface directly with data lines of bus-organized systems. With all but one of the common outputs disabled (at a high impedance state), the low impedance of the single enabled output will drive the bus line to a HIGH or LOW logic level. CityTech BD


  • 3-STATE version of DM74LS153 with same pinout
  • Schottky-diode-clamped transistors
  • Permit multiplexing from N-lines to one line
  • Performs parallel-to-serial conversion
  • Strobe/output control
  • High fanout totem-pole outputs
  • Typical propagation delay

Data to output 12 ns
Select to output 21 ns

  • Typical power dissipation 35 mW


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