IDT71215

BiCMOS Static RAM 240K (16K x 15-Bit) Cache-Tag RAM for the Pentium™ Processor IDT71215 Features x 16K x 15 Configuration – 12 TAG Bits – 3 Separate I/O Status Bits (Valid, Dirty, Write Through) x Match output uses Valid bit to qualify MATCH output x High-Speed Address-to-Match comparison times – 8/9/10/12ns over commercial temperature range x BRDY circuitry included inside the Cache-Tag for highest speed operation x Asynchronous Read/Match operation with Synchronous Write and Reset operation x Separate WE for the TAG bits and the Status bits x Separate OE for the TAG bits, the Status bits, and BRDY x Synchronous RESET pin for invalidation of all Tag entries x Dual Chip selects for easy depth expansion with no performance degredation x I/O pins both 5V TTL and 3.3V LVTTL compatible with VCCQ pins x PWRDN pin to place device in low-power mode x Packaged in a 80-pin Thin Plastic Quad Flat Pack (TQFP). Description The IDT71215 is a 245,760-bit Cache Tag Static RAM, organized 16K...