# Who does Renesas Electronics pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/renesas · Facet: suppliers · Updated: 2026-07-12T08:19:53.241+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Renesas Electronics's confirmed suppliers/cost counterparties include TSMC, Synopsys, Cadence Design Systems plus 1 undisclosed/aggregate relationship. Per the valuechain.wiki graph: 4 cost edges, backed by 6 dated sources, 3 of them primary filings (as of 2026-07-12).

### TSMC (mid)  → /tsmc.md
- metric: Revenue ~$10B · 2024 · annual revenue
- note: Outsources leading-edge automotive SoC (R-Car etc.) foundry to TSMC — a fab-lite structure securing leading-edge competitiveness.
- [confirms] EDINET / company IR (JA, filing, published 2026-03-25) https://www.renesas.com/en/document/rep/annual-securities-report-2025-ja: "Annual securities report: revenue, customers, business."
- [confirms] Renesas (EN, ir, published 2025-03-01) https://www.renesas.com/en/document/rep/financial-report-2024: "Buys leading-edge foundry from TSMC."
- [confirms] InfoStock Daily (KO, news, published 2025-01-01) https://www.infostockdaily.co.kr/news/articleView.html?idxno=192706: "Buys leading-edge foundry from TSMC."

### Synopsys (mid)  → /synopsys.md
- note: Pays for synopsys EDA tools and IP licenses.
- [confirms] SEC EDGAR (EN, filing, published 2025-12-22) https://www.sec.gov/Archives/edgar/data/883241/000088324125000028/snps-20251031.htm: "renesas designs chips on synopsys EDA tools and IP."
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "renesas designs chips on synopsys EDA tools and IP."

### Cadence Design Systems (mid)  → /cadence.md
- note: Pays for cadence EDA tools and IP licenses.
- [confirms] SEC EDGAR (EN, filing, published 2026-02-19) https://www.sec.gov/Archives/edgar/data/813672/000081367226000016/cdns-20251231.htm: "renesas designs chips on cadence EDA tools and IP."
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "renesas designs chips on cadence EDA tools and IP."

### 전공정 장비 (비공개) (low)
- note: Parts, materials and R&D (undisclosed).
- [confirms] Renesas (EN, ir, published 2025-03-01) https://www.renesas.com/en/document/rep/financial-report-2024: "Parts, materials and R&D (undisclosed)."

Reverse side: https://valuechain.wiki/renesas/customers.md · Ripple: https://valuechain.wiki/renesas/ripple.md

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Full node: https://valuechain.wiki/renesas.md · JSON: https://valuechain.wiki/renesas.json