MT42C4256 256K X 4 VRAM 256K x 4 DRAM

Austin Semiconductor

Description

Austin Semiconductor, Inc.256K X 4 VRAM 256K x 4 DRAM with 512K x 4 SAM AVAILABLE AS MILITARY SPECIFICATIONS * SMD 5962-89497 * MIL-S.
Address Inputs Column Enable DRAM Data In-Out/Write-Mask Bit Serial Enable Row Enable Serial Data Clock Serial Data In-Out Transfer Register/Q Output.

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MT42C4256 Datasheet Preview — Preview of MT42C4256 PDF

Datasheet Specifications

Part number: MT42C4256
Manufacturer: Austin Semiconductor
File Size: 1.30 MB
Datasheet: MT42C4256_AustinSemiconductor.pdf
Description: 256K X 4 VRAM 256K x 4 DRAM

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-Trans

Applications

* not requiring real-time register reload (for example, reloads done during CRT retrace periods), the single-register mode of operation is retained to simplify design. The SAM can also be configured in input mode, accepting serial data from an external device. Once the serial register within the SAM i

MT42C4256 Distributors

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