View fm25c160 datasheet:

FM25C160 16Kb FRAM Serial Memory Features Sophisticated Write Protection Scheme 16K bit Ferroelectric Nonvolatile RAM • Hardware Protection • Organized as 2,048 x 8 bits • Software Protection • High Endurance 1 Trillion (1012) Read/Writes • 10 year Data Retention Low Power Consumption • NoDelay™ Writes • 10 µA Standby Current • Advanced High-Reliability Ferroelectric Process Industry Standard Configuration Very Fast Serial Peripheral Interface - SPI • Industrial Temperature -40° C to +85° C • Up to 5 MHz maximum Bus Frequency • 8-pin SOP or DIP • Direct hardware replacement for EEPROM • SPI Mode 0 & 3 (CPOL, CPHA=0,0 & 1,1) Description Pin Configuration The FM25C160 is a 16-kilobit nonvolatile memory employing an advanced ferroelectric process.