MCM72BA32 Datasheet (Motorola) - 256KB and 512KB BurstRAM Secondary Cache

MCM72BA32, 256KB and 512KB BurstRAM Secondary Cache

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MCM72BA32/D 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

MCM72BA32 Features

* to VSS = 0 V) Parameter Supply Voltage (Operating Voltage Range) Input High Voltage Input Low Voltage Symbol VCC VIH VIL Min 4.75 2.2

* 0.5

* Max 5.25 VCC + 0.3

* 0.8 Unit V V V

* VIL (min) =

* 0.5 V dc; VIL (min) =

* 2.0 V ac (pulse width ≤ 20.0 ns) for I ≤ 2