DS1249AB, DS1249Y 2048k Nonvolatile SRAM

The DS1249 2048k Nonvolatile (NV) SRAMs are 2,097,152-bit, fully static, nonvolatile SRAMs organized as 262,144 words by 8 bits. Each NV SRAM has a self-contained lithium energy source and control circuitry which constantly monitors VCC for an out-of-tolerance condition. When such a condition occurs, the lithium energy source is utomatically switched on and write protection is unconditionally enabled to prevent data corruption. There is no limit on the number of write cycles which CAN be executed and no additional support circuitry is required for Microprocessor interfacing.
By Maxim Integrated Products
DS1249AB 's PackagesDS1249AB 's pdf datasheet

DS1249AB Pinout, Pinouts
DS1249AB pinout,Pin out
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