MCM321024中文资料摩托罗拉数据手册PDF规格书

1M x 32 Bit Fast Static RAM Module

The MCM321024 is an 32M bit static random access memory module organized as 1,048,576 words of 32 bits. The module is a 72–lead single in–line memory module (SIMM) consisting of eight MCM6249 fast static RAMs packaged in 32–lead SOJ packages and mounted on a printed circuit board along with sixteen decoupling capacitors.

The MCM6249 is a high performance CMOS fast static RAM organized as 1,048,576 words of 4 bits. Static design eliminates the need for external clocks or timing strobes, while CMOS circuitry reduces power consumption and provides for greater reliability.

• Single 5 V ± 10 Power Supply

• Fast Access Time: 20/25 ns

• Three–State Outputs

• Fully TTL Compatible

• JEDEC Standard Pinout

• Power Requirement: 1520/1400 mA Maximum, Active AC

• High Board Density SIMM Package

• Byte Operation: Four Separate Chip Enables, One for Each Byte (Eight Bits)

• High Quality Six–Layer FR4 PWB with Separate Internal Power and Ground Planes

• Incorporates Motorola’s State–of–the–Art Fast Static RAMs