BUY AT45DB321E-SHF-T https://www.utsource.net/itm/p/12357365.html

Description: AT45DB321E-SHF-T is a 3.3V 8-pin serial flash memory device manufactured by Atmel. It has a 4Mbit (512K x 8) memory array organized into 256 sectors of 256 bytes each. Features: - Fast read access time of 55ns - Low power consumption - Serial peripheral interface (SPI) - Page write capability - Hardware data protection - Endurance: 100,000 write cycles - Data retention: 20 years - Operating temperature range: -40°C to 85°C Applications: - Data logging - Code storage - Firmware updates - Non-volatile memory for embedded systems - Industrial automation - Automotive applications (For reference only)