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Partname: | DS1258Y-70-IND |
Description: | 70 ns, Vcc=5V+/-10%, 128k x 16 nonvolatile SRAM |
Manufacturer: | Maxim Integrated Products |
Package: | DIP |
Pins: | 40 |
Oper. temp.: | -40 to 85 |
Datasheet: | PDF (174K). Click here to download *) |
The DS1258 128k x 16 nonvolatile (NV) SRAMs are 2,097,152-bit fully static, NV SRAMs, organized as 131,072 words by 16 bits. Each NV SRAM has a self-contained lithium energy source and control circuitry that constantly monitors VCC for an out-of-tolerance condition. When such a condition occurs, the lithium energy source is automatically switched on and write protection is unconditionally enabled to prevent data corruption. DIP-package DS1258 devices can be used in place of solutions that build NV 128k x 16 memory by utilizing a variety of discrete components. There is no limit on the number of write cycles that can be executed and no additional support circuitry is required for microprocessor interfacing. |
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