St m24 series serial eeproms st m95640 wmn6p a k serial eeprom with an spi interface and an so 8 package the eeprom has a flexible non volatile memory that features byte level write without the need for an erase function before writing the device is suitable for a wide range of automotive industrial consumer telecomms and computing applications st m95640 wmn6p eeprom 8k x 8 bit 25v spi soic8