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MCM72BA64

Motorola
Part Number MCM72BA64
Manufacturer Motorola
Description 256KB and 512KB BurstRAM Secondary Cache
Published Feb 19, 2017
Detailed Description MOTOROLA SEMICONDUCTOR TECHNICAL DATA 256KB and 512KB BurstRAM™ Secondary Cache Module for Pentium™ The MCM72BA32SG and ...
Datasheet PDF File MCM72BA64 PDF File

MCM72BA64
MCM72BA64

Overview
MOTOROLA SEMICONDUCTOR TECHNICAL DATA 256KB and 512KB BurstRAM™ Secondary Cache Module for Pentium™ The MCM72BA32SG and MCM72BA64SG are designed to provide a burstable, high performance, 256K/512K L2 cache for the Pentium microprocessor.
The modules are configured as 32K x 72 and 64K x 72 bits in a 136 pin dual readout single inline memory module (DIMM).
The module uses four of Motorola’s MCM67B518 or MCM67B618 BiCMOS BurstRAMs.
Bursts can be initiated with either address status processor (ADSP) or address status controller (ADSC).
Subsequent burst addresses are generated internal to the BurstRAM by the burst advance (ADV) input pin.
Write cycles are internally self timed and are initiated by the rising edge of the clock (K) input.
Eight write enables are provided for byte write control.
The cache family is designed to interface with popular Pentium cache controllers with on board TAG.
PD0 – PD2 are reserved for density and speed identification.
• Pentium–style Burst Counte...


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