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54LS670 Datasheet 4 x 4 REGISTER FILE

Manufacturer: Motorola Semiconductor (now NXP Semiconductors)

Overview

4 x 4 REGISTER FILE WITH 3-STATE OUTPUTS The TTL / MSI SN54 / 74LS670 is a high-speed, low-power 4 x 4 Register File organized as four words by four bits.

Separate read and write inputs, both address and enable, allow simultaneous read and write operation.

The 3-state outputs make it possible to connect up to 128 outputs to increase the word capacity up to 512 words.

Key Features

  • open-collector outputs.
  • Simultaneous Read/ Write Operation.
  • Expandable to 512 Words by n-Bits.
  • Typical Access Time to 20 ns.
  • 3-State Outputs for Expansion.
  • Typical Power Dissipation of 125 mW.