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MT42C4256 Datasheet 256K X 4 VRAM 256K x 4 DRAM

Manufacturer: Austin Semiconductor

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MT42C4256 256k x 4 vram 256k x 4 dram by Austin Semiconductor - Datasheet Preview

Datasheet Details

Part number	MT42C4256
Manufacturer	Austin Semiconductor
File Size	1.30 MB
Description	256K X 4 VRAM 256K x 4 DRAM
Datasheet	MT42C4256 Datasheet

Overview

Austin Semiconductor, Inc.

256K X 4 VRAM 256K x 4 DRAM with 512K x 4 SAM AVAILABLE AS MILITARY SPECIFICATIONS • SMD 5962-89497 • MIL-STD-883 SMJ44C251B MT42C4256 PIN ASSIGNMENT (Top View) VRAM 28-Pin DIP (C) (400.

Key Features

Class B High-Reliability Processing.
DRAM: 262144 Words × 4 Bits SAM: 512 Words × 4 Bits.
Single 5-V Power Supply (±10% Tolerance).
Dual Port Accessibility.
Simultaneous and Asynchronous Access From the DRAM and SAM Ports.
Bidirectional-Data-Transfer Function Between the DRAM and the Serial-Data Register.
4 × 4 Block-Write Feature for Fast Area Fill Operations; As Many as Four Memory Address Locations Written per Cycle From an On-Chip.

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