DS2251T Key Features
- 32K, 64K, or 128K bytes of nonvolatile SRAM for program and/or data storage
- In-system programming via on-chip serial port
- Capable of modifying its own program or data memory in the end system
- Provides separate Byte-wide bus for peripherals
- Performs CRC-16 check of NV RAM memory High-reliability operation
- Maintains all nonvolatile resources for over 10 years in the absence of power
- Power-fail reset
- Early Warning Power-fail Interrupt
- Watchdog Timer
- Lithium backed memory remembers system state