BUY M28F512-90C1 https://www.utsource.net/itm/p/468809.html
512 Kilobit (64 K x 8-Bit) CMOS 12.0 Volt, Bulk Erase Flash Memory
Description: The M28F512-90C1 is a 512K (64K x 8) Flash Memory manufactured by STMicroelectronics. It is a non-volatile memory device that is organized as 8192 words of 8 bits each. Features: Single power supply operation Low power consumption Single voltage read and program operations High speed program and erase operations High reliability Low cost Available in PLCC32 package Applications: Automotive Industrial Consumer Medical Telecommunications (For reference only)