74670 Datasheet 3-STATE 4-by-4 Register File

Manufacturer: Fairchild (now onsemi)

74670 3-state 4-by-4 register file by Fairchild (now onsemi) - Datasheet Preview

Datasheet Details

Part number	74670
Manufacturer	Fairchild (now onsemi)
File Size	65.04 KB
Description	3-STATE 4-by-4 Register File
Datasheet	74670 Datasheet

General Description

These register files are organized as 4 words of 4 bits each, and separate on-chip decoding is provided for addressing the four word locations to either write-in or retrieve data.

This permits writing into one location, and reading from another word location, simultaneously.

Four data inputs are available to supply the word to be stored.

Overview

DM74LS670 3-STATE 4-by-4 Register File August 1986 Revised March 2000 DM74LS670 3-STATE 4-by-4 Register File.

Key Features

s For use as: Scratch pad memory Buffer storage between processors Bit storage in fast multiplication designs s Separate read/write addressing permits simultaneous reading and writing s Organized as 4 words of 4 bits s Expandable to 512 words of n-bits s 3-STATE versions of DM74LS170 s Fast access times 20 ns typ Ordering Code: Order Number Package Number Package.

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