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74S473 Datasheet 4k-bit Ttl Prom

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: DM74S473 (512 x 8) 4096-Bit TTL PROM November 1990 DM74S473 (512 x 8) 4096-Bit TTL.

General Description

This Schottky memory is organized in the popular 512 words by 8 bits configuration A memory enable input is provided to control the output states When the device is enabled the outputs represent the contents of the selected word When disabled the 8 outputs go to the ‘‘OFF’’ or high impedance state www.DataSheet4U.com PROMs are shipped from the factory with lows in all locations A high may be programmed into any selected location by following the programming instructions

Key Features

  • Y Y Y Y Y Y Advanced titanium-tungsten (Ti-W) fuses Schottky-clamped for high speed Address access 45 ns max Enable access 30 ns max Enable recovery 30 ns max PNP inputs for reduced input loading All DC and AC parameters guaranteed over temperature Low voltage TRI-SAFETM programming Open-collector outputs Block Diagram TL D 9715.
  • 1 Pin Names A0.
  • A8 G GND Q0.
  • Q7 VCC Addresses Output Enable Ground Outputs Power Supply TRI-SAFETM is a trademark of National Semiconducto.

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