Infineon 4MB SPI FRAM Memory 8-Pin SOIC, CY15B104QN-50SXI

The Infineon Ferroelectric RAM is non volatile and performs reads and writes operations similar to a RAM. It provides reliable data retention for 151 years while eliminating the complexities, overhead and system level reliability problems caused by serial flash, EEPROM and other non volatile memories.

Dedicated 256 byte special sector F RAM
Sophisticated write protection scheme
Fast serial peripheral interface
Low power consumption
Low voltage operation