SN74HC573 - Octal D type transparent latch 3 state : Ventor Technologies

SN74HC573 - Octal D type transparent latch 3 state

  • Model: SN74HC573AN-DIP20
  • 24 Units in Stock
  • Manufactured by: Texus Instruments


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The SN74HC573 has octal D-type transparent latches featuring separate D-type inputs for each latch and 3-state true outputs for bus oriented applications. A latch enable (LE) input and an output enable (OE) input are common to all latches. When LE is HIGH, data at the Dn inputs enter the latches. In this condition the latches are transparent, i.e. a latch output will change state each time its corresponding D input changes. When LE is LOW the latches store the information that was present at the D-inputs a set-up time preceding the HIGH-to-LOW transition of LE. When OE is LOW, the contents of the 8 latches are available at the outputs. When OE is HIGH, the outputs go to the high-impedance OFF-state. Operation of the OE input does not affect the state of the latches.

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