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MCM64PD32 Datasheet(PDF) 1 Page - Motorola, Inc |
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MCM64PD32 Datasheet(HTML) 1 Page - Motorola, Inc |
1 / 16 page MCM64PD32 •MCM64PD64 1 MOTOROLA FAST SRAM Advance Information 256K/512K Pipelined BurstRAM ™ Secondary Cache Module for Pentium ™ The MCM64PD32 (256K) and MCM64PD64 (512K) are designed to provide a burstable, high performance, L2 cache for the Pentium microprocessor in conjunction with Intel’s Triton II chip set. The MCM64PD32 is configured as 32K x 64 bits and the MCM64PD64 is configured as 64K x 64 bits. Both are packaged in a 160 pin card edge memory module. Each module uses Motorola’s 3.3 V 32K x 32 BurstRAMs and two Motorola 3.3 V 32K x 8 FSRAM for the tag RAM. Bursts can be initiated with either address status processor (ADSP) or cache address status (CADS). Subsequent burst addresses are generated internal to the BurstRAM by the cache burst advance (CADV) input pin. Write cycles are internally self timed and are initiated by the rising edge of the clock (CLK0) input. Eight write enables are provided for byte write control. PD0 – PD3 map into the Triton II chip set for auto–configuration of the cache control. • Pentium–Style Burst Counter on Chip • Pipelined Data Out • 160 Pin Card Edge Module • Address Pipeline Supported by ADSP Disabled with Ex • All Cache Data and Tag I/Os are TTL Compatible • Three State Outputs • Byte Write Capability • Fast Module Clock Rate: 66 MHz • Fast SRAM Access Times:15 ns for Tag RAM 8 ns for Data RAMs • One–cycle Deselect Data RAMs • Decoupling Capacitors for Each Fast Static RAM • High Quality Multi–Layer FR4 PWB with Separate Power and Ground Planes • Single 3.3 V +10%, – 5% Power Supply • Burndy Connector, Part Number: CELP2X80SC3Z48 • Intel COAST 3.0 Option III Compliant • Burst Order Select (BOSEL) Option BurstRAM is a trademark of Motorola. Pentium is a trademark of Intel Corp. This document contains information on a new product. Motorola reserves the right to change or discontinue this product without notice. MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MCM64PD32/D MCM64PD32 MCM64PD64 160–LEAD CARD EDGE CASE TBD, TOP VIEW 80 43 42 1 6/14/96 © Motorola, Inc. 1996 |
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