AS25F Serial NOR Flash Memory Alliance Memory AS25F Serial NOR Flash Memory combines fast read performance up to 133MHz with fast program and erase times. Available in 8-pin SOP Wide Body (209mils) and 8L WSON (6.0mm x 5.0mm) packages, the devices operate from a single 1.6V to 3.6V power supply over an industrial temperature range of -40°C to +85°C. The solutions offer support for single, dual, and quad SPI modes, and provide reliable, long-term performance with 100,000 program/erase cycles and 10-year data retention. Alliance Memory AS25F Serial NOR Flash Memory supports uniform 4KB or 32KB, or 64KB erase, offers an 8/16/32/64byte wrap-around burst read mode, and features program/erase suspend and resume. Advanced security features include block protection and 4K-bit secured OTP to protect content from hostile access and inadvertent programming and erasing.