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MITSUBISHI MITSUBISHI 〈DIGITAL 〈DIGITAL ASSP ASSP 〉 〉
M66221SP/FP M66221SP/FP
× 9-BIT MAIL-BOX 256256 × 9-BIT MAIL-BOX
DESCRIPTION
The M66221 is a mail box that incorporates a complete CMOS shared memory cell of 256 × 9-bit configuration using high-performance silicon gate CMOS process technology, and is equipped with two access ports of A and B. Access ports A and B are equipped with independent addresses CS, WE and OE control pins and I/O pins to allow independent and asynchronous read/write operations from/to shared memory individually. This product also incorporates a port adjustment arbitration function in address contention from both ports.
M66221FP Datasheet
