FM25V20A Overview
The FM25V20A is a 2-Mbit nonvolatile memory employing an advanced ferroelectric process. A ferroelectric random access memory or F-RAM is nonvolatile and performs reads and writes similar to a RAM. It provides reliable data retention for 121 years while eliminating the plexities, overhead, and system level reliability problems caused by serial flash, EEPROM, and other nonvolatile memories.
FM25V20A Key Features
- 2-Mbit ferroelectric random access memory (F-RAM) logically organized as 256 K × 8
- High-endurance 10 trillion (1014) read/writes
- 121-year data retention (See the Data retention and endurance table)
- No delay writes
- Advanced high-reliability ferroelectric process
- Very fast SPI
- Up to 33 MHz frequency
- Direct hardware replacement for serial flash and EEPROM
- Supports SPI mode 0 (0, 0) and mode 3 (1, 1)
- Sophisticated write protection scheme
