FM3808 - 256Kb Bytewide FRAM
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.
It maintains time and date settings in the absence of system power through the user’s choice of backup power source * either a capac
FM3808 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/Calend