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