A flash EEPROM emulator is a device used to replace traditional EEPROM (electrically erasable programmable read-only memory) chips. Instead of using a EEPROM chip, which can only be programmed and erased a limited number of times, a flash EEPROM emulator uses flash memory, which can be reprogrammed and erased an unlimited number of times.

Flash EEPROM emulators are often used in embedded systems, automotive, and industrial control applications. They allow in-system programming and debugging and make it easier to update firmware and software without removing the EEPROM chip.