
SGS-Thomson EPROM
- M27Cxxx UV-erasable EPROM series
- EPROM-based ST6 microcontroller versions
- Commercial & Mil-spec packages available
ESD Compliant Warehouse
Mil-Spec Component Supply
The 27256 EPROM category covers UV-erasable and CMOS programmable read-only memory components from leading manufacturers including AMD, Hitachi, Fujitsu, SGS-Thomson, Sharp, MMI, and Seeq Technology. These nonvolatile memory devices serve firmware storage, embedded systems, industrial controls, and legacy system replacement across commercial and military-spec applications.







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A 27256 EPROM is a 256-kilobit UV-erasable programmable read-only memory chip widely used for firmware and boot-code storage, embedded system program memory, BIOS retention, and industrial control applications. It is a nonvolatile memory device, meaning stored data is retained without power, and it can be erased using ultraviolet light and reprogrammed as needed.
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27256 EPROMs store game ROMs and firmware code essential for classic arcade PCB restoration and maintenance.

Nonvolatile EPROM program storage supports CNC machines, PLCs, and embedded industrial controllers requiring reliable code retention.

Mil-spec EPROM variants meet stringent defense requirements for avionics, communications, and mission-critical embedded systems.

UV-erasable EPROMs enable iterative firmware development and reprogrammable code storage for embedded system prototyping.
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Our local ESD compliant warehouse stocks millions of EPROM components available for immediate dispatch, minimizing production downtime.
Beyond local stock, we access billions of components worldwide, ensuring hard-to-find 27256 EPROMs from any manufacturer are never out of reach.
We supply all major EPROM manufacturers and package types in both commercial and military-specification grades, meeting the most demanding procurement standards.
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