Datasheet Details
| Part number | U634H256XS |
|---|---|
| Manufacturer | Simtek |
| File Size | 282.89 KB |
| Description | PowerStore 32K x 8 nvSRAM Die |
| Datasheet |
 U634H256XS Datasheet
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General Description
The U634H256XS has two separate modes of operation: SRAM mode and nonvolatile mode.
In SRAM mode, the memory operates as an ordinary static RAM.
In nonvolatile operation, data is transferred in parallel from SRAM to EEPROM or from EEPROM to SRAM.
Key Features
- High-performance CMOS nonvolatile static RAM 32768 x 8 bits 25, 35 and 45 ns Access Times 10, 15 and 20 ns Output Enable Access Times ICC = 15 mA typ. at 200 ns Cycle Time Automatic STORE to EEPROM on Power Down using external capacitor Hardware or Software initiated STORE (STORE Cycle Time < 10 ms) Automatic STORE Timing 105 STORE cycl.