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IDT71B74 Datasheet

Part NameDescriptionManufacturer
IDT71B74 BiCMOS STATIC RAM 64K (8K x 8-BIT) CACHE-TAG RAM IDT
Integrated Device Technology IDT
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DESCRIPTION:
The IDT71B74 is a high-speed cache address comparator subsystem consisting of a 65,536-bit static RAM organized as 8K x 8 and an 8-bit comparator. A single IDT71B74 can map 8K cache words into a 2 megabyte address space by using the 21 bits of address organized with the 13 LSBs for the cache address bits and the 8 higher bits for cache data bits. Two IDT71B74s can be combined to provide 29 bits of address comparison, etc.

FEATURES:
• High-speed address to MATCH comparison time
    — Commercial: 8/10/12/15/20ns (max.)
• High-speed address access time
    — Commercial: 8/10/12/15/20ns (max.)
• High-speed chip select access time
    — Commercial: 6/7/8/10ns (max.)
• Power-ON Reset Capability
• Low power consumption
    — 830mW (typ.) for 12ns parts
    — 880mW (typ.) for 10ns parts
    — 920mW (typ.) for 8ns parts
• Produced with advanced BiCMOS high-performance technology
• Input and output directly TTL-compatible
• Standard 28-pin plastic DIP and 28-pin SOJ (300 mil)

 

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