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M66222FP

Mitsubishi
Part Number M66222FP
Manufacturer Mitsubishi
Description 128 x 8-BIT x 2 MAIL-BOX
Published Apr 26, 2005
Detailed Description MITSUBISHI MITSUBISHI 〈DIGITAL 〈DIGITAL ASSP ASSP 〉 〉 M66222SP/FP M66222SP/FP × 8-BIT 2 MAIL-BOX 128128 × 8-BIT × 2× MA...
Datasheet PDF File M66222FP PDF File

M66222FP
M66222FP


Overview
MITSUBISHI MITSUBISHI 〈DIGITAL 〈DIGITAL ASSP ASSP 〉 〉 M66222SP/FP M66222SP/FP × 8-BIT 2 MAIL-BOX 128128 × 8-BIT × 2× MAIL-BOX DESCRIPTION The M66222 is a mail box that incorporates two complete CMOS shared memory cells of 128 × 8-bit configuration using highperformance silicon gate CMOS process technology, and are 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 individually.
This product exclusively performs a write operation from A port and a read operation from B port for one memory, and a read operation from A port and a write operation from B port for the other memory.
PIN CONFIGURATION (Top view) CHIP SELECT CSA → INPUT WRITE ENABLE WEA → INPUT NC OUTPUT ENABLE OEA → INPUT  A 0A →   A 1A →   A 2A →  A PORT  A3A → ADDRESS  INPUT  A 4A →   A 5A →   A 6A →   A 7A →  I/O0A ↔   I/O1A ↔   I/O2A ↔  ↔ A PORT  I...



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