General Description：

The P25C256F is Serial Peripheral Interface (SPI) compatible EEPROM (Electrically Erasable ProgrammableMemory) device. It contains a memory array of 256 Kbits (32 Kbytes), which is organized in 64 bytes perpage.

Features：

 Single supply voltage: 1.65 V to 3.6 V

 Max clock frequency: 5 MHz

 Serial Peripheral Interface (SPI) Compatible

 Standard SPI: C, S#, D, Q, W#, HOLD#

 Write

 Byte/Page Write within 5ms

 Additional Write lockable page (Identification Page)

 Additional 128 bits Serial Number (Unique ID)

 Hardware Controlled Locking of Protected Sectors by WP Pin

 Transparent ECC on each group of four bytes which can correct 1-bit error

 Reliability

 Endurance: 1 Million Write Cycles

 Data Retention: 100 Years

 Package: PDIP8, SOP8(150mil/208mil), MSOP8, TSSOP8, UDFN8 and WLCSP8