MCM32257BZ15中文资料摩托罗拉数据手册PDF规格书

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 circuit board along with eight decoupling capacitors.

• 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–the–Art Fast Static RAMs