Part DS1249W
Description 3.3V 2048kb Nonvolatile SRAM
Manufacturer Maxim Integrated
Size 205.13 KB
Maxim Integrated
DS1249W

Overview

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.

  • 10 years minimum data retention in the absence of external power
  • Data is automatically protected during power loss
  • Unlimited write cycles
  • Low-power CMOS operation
  • Read and write access times of 100ns
  • Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time
  • Optional industrial (IND) temperature range of -40°C to +85°C
  • JEDEC standard 32-pin DIP package DS1249W
  • 3V 2048kb Nonvolatile SRAM