# z80\-open\-silicon

[DecompHub listing](<https://app.decomphub.com/projects/z80-open-silicon>) · [JSON record](<https://app.decomphub.com/data/projects/z80-open-silicon.json>)

## Description

> Z80 open\-source silicon clone\. Goal is to become a silicon proven, pin compatible, open\-source replacement for classic Z80\.

- Category: hardware
- Work types: reimplementation
- Targets: Z80
- Project status: unknown
- Listing updated: 2026\-10\-12T16:18:32\.530Z
- Listing first published: 2026\-10\-12T10:21:54\.042Z

## Repository

- Repository: [rejunity/z80\-open\-silicon](<https://github.com/rejunity/z80-open-silicon>)
- License: Apache\-2\.0
- Repository stars: 805
- Stars checked: 2026\-10\-12T10:17:36\.376Z
- Repository metadata checked: 2026\-10\-12T10:17:36\.376Z

## Progress

Each value describes only its stated scope. An observation date is when DecompHub read the source; it is not a publisher measurement date.

### Checklist completion

- Value: approximately 60 %
- Scope: STATUS: The chips from the first two tapeouts were delivered in 2025, are functional and are currently being tested\! — Tapeouts — 3/5 listed items checked; items are equally weighted
- Date (observed): 2026\-10\-12T16:18:30\.490Z
- Source: [https://github\.com/rejunity/z80\-open\-silicon/blob/HEAD/README\.md](<https://github.com/rejunity/z80-open-silicon/blob/HEAD/README.md>)

## Project details

- Languages: Verilog

## Contributing

- Contribution status: unknown
- Help requested: Not reported
- Contribution instructions: Not reported
- Contribution source: Not reported
- Contribution information checked: Not reported
- AI contribution policy: unspecified
- AI policy source: Not reported

## Listing sources

- [Public repository metadata](<https://github.com/rejunity/z80-open-silicon>)
- [Discovery query](<https://github.com/rejunity/z80-open-silicon/blob/main/README.md>)

## Data notes

Descriptions remain in their recorded source language. Missing values are not inferred. Repository licensing is upstream metadata; this export does not grant rights to upstream code or assets.

Schema version: 1. [Public data documentation](<https://decomphub.com/data>).