DESCRIPTION

The M66222 is a mail box that incorporates two complete CMOS shared memory cells of 128 × 8-bit configuration using high-performance silicon gate CMOS process technology, and are equipped with two access ports of A and B.

FEATURES

• Memory configuration of 128 × 8 bits × 2 memory areas

• High-speed access, address access time 40ns (typ.)

• Complete asynchronous accessibility from ports A and B

• Fixed read/write access ports for memory

• Completely static operation

• Low power dissipation CMOS design

• 5V single power supply

• TTL direct-coupled I/O

• 3-state output for I/O pins

APPLICATION

Inter-MCU data transfer memory, communication buffer memory