MCM32257 - Motorola

MCM32257 256K x 32 Bit Fast Static RAM

MOTOROLA • SEMICONDUCTOR TECHNICAL DATA 256K X 32 Bit Fast Static RAM Module The MCM32257 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) or 64-lead single in-line memory module (SIMM) consisting of eight MCM6229A fast static RAMs packaged in 28-lead SOJ packages a.

Features

d PD1 are reserved for density identification. PDO and PD1 are connected to ground. These pins can be used to identify the density of the memory module.
• Single 5 V ± 10% Power Supply
• Fast Access Time: 20/25/35 ns
• Three-State Outputs
• Fully TTL Compatible
• JEDEC Standard Pin Out
• Power Operation: 1360/1200/1120 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-the-Art Fast Static RAMs PIN NA.