BUY AM29F040B-90JI https://www.utsource.net/itm/p/574706.html
4 Megabit 512 K x 8-Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory
Description: The AM29F040B is a 4Mbit (512K x 8-bit) CMOS Flash memory device. Features: Single power supply operation Low voltage (2.7V to 3.6V) read, erase, and program operations Fast read access time 90ns Low power consumption Active current: 45mA (typical) High endurance 10,000 write/erase cycles Data retention 20 years Sector architecture 4K bytes per sector Security Hardware and software data protection Package 32-pin PLCC Applications: The AM29F040B is suitable for a wide range of applications, including: Automotive Industrial Telecommunications Consumer Computer Networking Medical (For reference only)