Broadcom & ASML β The Invisible Hands Behind TSMC [Part 5]
π Part 5 of the Series β The Companies That TSMC Cannot Live Without | semomahal.com
Part 1: The Birth of a Myth β Why TSMC?
Part 2: TSMC Γ NVIDIA β Symbiosis or Dependence?
Part 3: Samsung’s Pursuit β Why It Can’t Catch Up
Part 4: SK Hynix β The Hidden Side of HBM Dominance
βΆ Part 5: Broadcom & ASML β The Invisible Hands (current)
Part 6: The Taiwan Risk β TSMC’s Achilles’ Heel
We have talked extensively about TSMC’s dominance. But one question remains largely unasked:
What does TSMC depend on?
The answer reveals a semiconductor ecosystem where even the king owes its throne to others.
π¬ ASML: The Only Company That Can Print 3nm Chips
To manufacture chips at 3nm or below, you need to etch circuit patterns so small that ordinary light waves cannot resolve them.
The solution: Extreme Ultraviolet (EUV) lithography β using light with a wavelength of just 13.5nm.
There is exactly one company in the world that makes EUV machines: ASML, based in Veldhoven, Netherlands.
β’ Price per EUV machine: ~$200β380 million (High-NA EUV reaches $380M+)
β’ Weight: ~180 tons per machine
β’ Components: 100,000+ precision parts from ~5,000 suppliers
β’ TSMC’s EUV machine inventory: Largest in the world (estimated 200+ units)
β’ ASML’s global EUV market share: 100%
β Without ASML shipping EUV machines, TSMC cannot make advanced chips. Full stop.
π Why Can’t Anyone Else Build EUV?
ASML has been developing EUV since the 1980s in partnership with research institutes, governments, and universities.
The IP moat is measured in decades, not years.
A single EUV machine draws on ~5,000 suppliers across 16+ countries β optics from Zeiss (Germany), light sources from Cymer (U.S.), and hundreds more.
Nobody can replicate this supply chain from scratch.
The U.S. has pressured the Netherlands to block ASML from shipping EUV machines to China.
This is effectively the most powerful semiconductor sanction in existence β and it has put Chinese chipmakers years behind.
π‘ Broadcom: The Custom Chip Empire Behind AI Infrastructure
While ASML controls the tooling layer, Broadcom has quietly become one of the most critical players in AI infrastructure β through custom silicon.
β’ Designs custom AI accelerators (XPUs) for Google (TPU), Meta, and ByteDance
β’ Dominates data center networking with Tomahawk and Jericho switch chips
β’ Acquired VMware in 2023 to add software infrastructure to its hardware dominance
β’ Broadcom revenue from AI products: growing at 3Γ YoY (est. $15B+ in FY2025)
β As NVIDIA’s GPU dominance attracts regulatory scrutiny and higher prices, hyperscalers increasingly turn to Broadcom for custom alternatives β all manufactured by TSMC.
π The Ecosystem Web: Nothing Operates Alone
| Company | What It Provides | What Happens Without It |
|---|---|---|
| ASML | EUV lithography machines | No 3nm chips β anywhere, for anyone |
| Zeiss (Carl Zeiss SMT) | EUV optical lenses | ASML cannot build EUV machines |
| Cymer / ASML | EUV light sources (laser-produced plasma) | No EUV light, no EUV lithography |
| SK Hynix | HBM memory for AI GPUs | GPU performance collapses |
| Broadcom | Networking + custom AI silicon | Data center AI traffic management breaks down |
| TSMC | Manufacturing all of the above | Global chip supply crisis |
β One-Line Takeaway
ASML provides the printing press. Broadcom designs the logic. SK Hynix fills the memory.
The semiconductor ecosystem is a chain: remarkably powerful when intact, catastrophic when any link breaks.”
Final chapter: Taiwan itself β what would a geopolitical crisis mean for the global chip supply chain? π‘
β’ ASML Annual Report 2024 β asml.com
β’ Broadcom Fiscal Year 2024 Earnings Reports
β’ U.S. Commerce Department Export Control Regulations (EAR) 2023β2024
β’ IEEE Spectrum: EUV Lithography Deep Dive, 2024
β’ Goldman Sachs: Custom Silicon in the AI Era, 2024
β οΈ Disclaimer: This article is not investment advice.