FM31276
Features
- 64-Kbit/256-Kbit ferroelectric random access memory (F-RAM)
- Logically organized as 8 K × 8 (FM31276) / 32 K × 8 (FM31278)
- High-endurance 100 trillion (1014) read/writes
- 151-year data retention (See the Data Retention and Endurance table)
- No Delay™ writes
- Advanced high-reliability ferroelectric process
- High Integration Device Replaces Multiple Parts
- Serial nonvolatile memory
- Real time clock (RTC)
- Low voltage reset
- Watchdog timer
- Early power-fail warning/NMI
- Two 16-bit event counter
- Serial number with write-lock for security
- Real-time Clock/Calendar
- Backup current at 2 V: 1.15 A at +25 C
- Seconds through centuries in BCD format
- Tracks leap years through 2099
- Uses standard 32.768 k Hz crystal (6 p F/12.5 p F)
- Software calibration
- Supports battery or capacitor backup
-...
