MCM32257B - Motorola

MCM32257B 256K x 32 Bit Fast Static RAM Module

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MCM32257B/D 256K x 32 Bit Fast Static RAM Module The MCM32257B is an 8M bit static random access memory module organized as 262,144 words of 32 bits. The module is a 64–lead zig–zag in–line package (ZIP) of eight MCM6229 fast static RAMs packaged in 28–lead SOJ packages and mounted on a printed .

Features

ensity identification. PD0 and PD1 are connected to ground. These pins can be used to identify the density of the memory module.
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• Single 5 V ± 10% Power Supply Fast Access Time: 15/20/25 ns Three
  –State Outputs Fully TTL Compatible JEDEC Standard Pinout Power Requirement: 960/880/840 mA Maximum, Active AC High Board Density ZIP Package Byte Operation: Four Separate Chip Enables, One for Each Byte (Eight Bits) High Quality Four
  –Layer FR4 PWB with Separate Internal Power and Ground Planes
• Incorporates Motorola’s State
  –of
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  –Art Fast Static RAMs MCM32257B PIN ASSIGNMENT TOP VI.