DM74LS670 Datasheet - Fairchild Semiconductor

DM74LS670 3-STATE 4-by-4 Register File

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 ava.

DM74LS670 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 t

DM74LS670-FairchildSemiconductor.pdf