# 27C256 / 27C512 EPROMs — Discontinued electronic component replacement mapping

For 27C256 / 27C512 EPROMs, manufacturer is N/A; notice id is N/A; last time buy is N/A; last ship is N/A; suggested replacement is Tested refurbished stock, recorded from its source on 2026-08-03.

- **Discontinued part:** 27C256 / 27C512 EPROMs
- **Manufacturer:** N/A _(unconfirmed — we could not tie this to the quote below)_
- **Notice ID:** N/A _(unconfirmed — we could not tie this to the quote below)_
- **Last time buy:** N/A _(unconfirmed — we could not tie this to the quote below)_
- **Last ship:** N/A _(unconfirmed — we could not tie this to the quote below)_
- **Suggested replacement:** Tested refurbished stock

## What the source says

> 27C256 / 27C512 EPROMs | Long obsolete; arcade restoration and automotive ECU demand sustains a refurbished-chip market | Tested refurbished stock |

## Source

- https://www.dasenic.com/blog/knowledgeHub/obsolete-components-in-2026-eol-list-shortage-statistics-what-to-do-about-it

Last verified: 2026-08-03. Review by: 2026-11-01.
Part of [Discontinued electronic component replacement mapping](https://referencesource.org/discontinued-part-replacement-mapping/).