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 �A 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.