FM3808
Overview
The FM3808 combines a 256Kb FRAM array with a real-time clock and a system supervisor function. An external 32.768 kHz crystal drives the timekeeping function.
- 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
