BUY AM29F400BB-70ED https://www.utsource.net/itm/p/11537110.html

Description: The AM29F400BB-70ED is a 4Mbit (512K x 8-bit) CMOS 3.0 Volt-only Boot Sector Flash Memory manufactured by AMD. Features: 4Mbit (512K x 8-bit) CMOS 3.0 Volt-only Boot Sector Flash Memory Fast access time: 70ns Low power consumption: Active current: 70mA (typical) Single power supply operation: 3.0V ± 10% Advanced sector architecture: Uniform 4Kbyte sector size Embedded Algorithm: Embedded Erase, Program and Verify Algorithms Data retention: 100 years Endurance: 100,000 Program/Erase cycles Security: Hardware and Software Data Protection Package: 48-pin TSOP (Thin Small Outline Package) Applications: Automotive Industrial Consumer Communications Computer (For reference only)