Infineon 4MB Quad-SPI FRAM Memory 8-Pin SOIC, CY15V104QSN-108SXI

The Infineon Ultra Ferroelectric RAM is non volatile and performs reads and writes operations similar to a RAM. Data is written to the memory array immediately after each byte is successfully transferred to the device. This memory performs write operations at bus speed and having no write delays are incurred.

Single and multi IO serial peripheral interface
Low power consumption at high speed
Dedicated 256 byte special sector
Software block protection