Datasheet Summary
Preliminary
256Kb Bytewide FRAM w/ Real-Time Clock
Features
256K bit Ferroelectric Nonvolatile RAM
- Organized as 32,752 x 8 bits
- High Endurance 100 Billion (1011) Read/Writes
- 10 year Data Retention
- NoDelay™ Writes
- 70 ns Access Time/ 130 ns Cycle Time
- Built-in Low VDD Protection
Real-Time Clock/Calendar Function
- Clock Registers in Top 16 bytes of Address Space
- Backup Power from External Capacitor or Battery
- Tracks Seconds through Centuries in BCD Format
- Tracks Leap Years through 2099
- Runs from a 32.768 kHz Timekeeping Crystal
System Supervisor Function
- Programmable Clock/Calendar Alarm
- Programmable Watchdog Timer
- Power Supply Monitor
- Interrupt Output
-...