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MB81C51

Part Number	MB81C51
Manufacturer	Fujitsu
Description	CMOS TAG RANDOM ACCESS MEMORY
Published	Nov 15, 2018
Detailed Description	February 1990 Edition 2.0 DATA SHEET cO FUJITSU MB81C51-251-30 CMOS TAG RANDOM ACCESS MEMORY CMOS Tag Random Access...
Datasheet	MB81C51 PDF File

Overview

February 1990 Edition 2.
0 DATA SHEET cO FUJITSU MB81C51-251-30 CMOS TAG RANDOM ACCESS MEMORY CMOS Tag Random Access Memory The Fujitsu MB81 C51 is a 512 entry x4 way or 1024 entry x2 way tag random access memory (Tag RAM) fabricated with CMOS technology.
The MB81 C51 is ideal for use in cache memory systems with other RAMs.
This device offers the advantages of compact design and high performance in cache systems for use with 32-bit CPUs.
• Organization: 512 Entry x 4 way or 1024 Entry x 2 way • Access time: 30 ns max from Address Inputs 18 ns max from Compare Data Inputs • Power consumption: 1375 mW max.
• Single +5 V power supply ±1 0% tolerance • TIl.
compatible inputs and outputs • LRU (Least Recently Used) replacement logic • Purge function (All-purge and partial-purge) • Internal parity generalor/checker • Standard 64-pin Ceramic Pin Grid Array Package: PGA MB81C51-xxCR Absolute Maximum Ratings (See Note) Rating Supply Voltage Symbol Vex; Valu...

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