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AN-136

Integrated Device Technology
Part Number AN-136
Manufacturer Integrated Device Technology
Description A NEW GENERATION
Published Nov 14, 2006
Detailed Description www.DataSheet4U.com A NEW GENERATION OF TAG SRAMS—THE IDT71215 AND IDT71216 Integrated Device Technology, Inc. APPLICA...
Datasheet PDF File AN-136 PDF File

AN-136
AN-136

Overview
www.
DataSheet4U.
com A NEW GENERATION OF TAG SRAMS—THE IDT71215 AND IDT71216 Integrated Device Technology, Inc.
APPLICATION NOTE AN-136 By Kelly Maas INTRODUCTION The 71215 and 71216 represent a new generation of integrated Tag SRAMs.
Just as earlier Tag SRAMs such as the 71B74 were better suited for tag applications than conventional SRAMs, the 71215/16 go a step further by integrating new features to significantly ease the design of high performance cache subsystems for today’s high speed processors.
These Tag RAMs are designed for easy interfacing to Intel and PowerPC processors, but are very flexible and can easily be used in other applications as well.
This application note first provides some background information on caches, then describes in detail the architecture and operation of the 71215 and 71216.
This is followed by three application examples, then a brief discussion of cache coherency protocol implementation using these Tag RAMs.
Since the 71215 and 71216 are very sim...


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