27C128
Manufacturer: Intel
27C128 Intel EPROM
The Intel 27C128 is an EPROM family device used for non-volatile storage of firmware and executable code. It is commonly used in legacy equipment to hold system BIOS or control code that must remain after power removal. Typical applications include firmware replacement on older controllers, arcade and instrumentation boards, and other equipment that originally shipped with socketed UV-erasable ROMs.