Datasheet Details
| Part number | U631H64 |
|---|---|
| Manufacturer | Simtek Corporation |
| File Size | 171.81 KB |
| Description | SoftStore 8K x 8 nvSRAM |
| Datasheet |
 U631H64 Datasheet
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General Description
The U631H64 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 8192 x 8 bits.
- 25, 35 and 45 ns Access Times.
- 12, 20 and 25 ns Output Enable Access Times.
- Software STORE Initiation (STORE Cycle Time < 10 ms).
- Automatic STORE Timing.
- 105 STORE cycles to EEPROM.
- 10 years data retention in www. DataSheet4U. com EEPROM.
- Automatic RECALL on Power Up.
- Software RECALL Initiation (RECALL Cycle Time < 20 μs).
- Unlimited RECALL cycles from EEPROM.