MT42C4256 Datasheet
MT42C4256 Datasheet (Micross)
Micross
VRAM SMJ44C251B MT42C4256 256K X 4 VRAM 256K x 4 DRAM with 512K x 4 SAM AVAILABLE AS MILITARY SPECIFICATIONS • SMD 5962-89497 • MIL-STD-883 FEATURES • Class B High-Reliability Processing • DRAM: 262.
* 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-Dat.
MT42C4256 Datasheet (Austin Semiconductor)
Austin Semiconductor
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 Enable Write-Mask Select/Write Enable Special Func.
* 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-Dat.