DS1249W
3.3V 2048kb Nonvolatile SRAM
Part Details
The DS1249W 2048kb nonvolatile (NV) SRAMs are 2,097,152-bit, fully static, NV SRAMs organized as 262,144 words by 8 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. There is no limit on the number of write cycles that can be executed, and no additional support circuitry is required for microprocessor interfacing.
Applications
- Automated Test Equipment (ATE)
- Automatic Utility Meter Reading
- Building Energy Management (HVAC)
- Cable Modems
- Computers: Desktop, Workstation, Server
- Digital Television (Receivers, Set-Top Boxes)
- Modems (Analog, ISDN, DSL)
- Network Hubs, Switches, Routers
- Notebook Computers
- Oscilloscopes
- Printers and Faxes
- Programmable Logic Controllers
- Storage Systems
- Test and Measurement Equipment
Documentation
Data Sheet 1
Reliability Data 1
Design Note 3
Technical Articles 1
This is the most up-to-date revision of the Data Sheet.
Hardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Nonvolatile SRAM 5 | ||
| DS1249Y | RECOMMENDED FOR NEW DESIGNS | 2048k Nonvolatile SRAM |
| DS1249AB | RECOMMENDED FOR NEW DESIGNS | 2048k Nonvolatile SRAM |
| DS1230W | PRODUCTION | 3.3V 256k Nonvolatile SRAM |
| DS1245W | PRODUCTION | 3.3V 1024k Nonvolatile SRAM |
| DS1250W | PRODUCTION | 3.3V 4096k Nonvolatile SRAM |
| Product 2 | ||
| DS1265W | 3.3V 8Mb Nonvolatile SRAM | |
| DS1270W | 3.3V 16Mb Nonvolatile SRAM | |
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