Taiwan Semiconductor Supply Chain Posts Broad-Based Growth in June, Memory Revenue Surges 288% YoY
Miles Bennett
All 13 tracked sub-sectors in Taiwan's semiconductor supply chain posted year-on-year revenue gains in June, led by a 288.3% surge in memory driven by AI and HBM demand — but whether this broad-based upturn can last remains unproven.
Memory up 288% — how real is that number?
Memory revenue jumped 288.3% year-on-year in June, the largest gain among all 13 sub-sectors, driven mainly by AI and high-bandwidth memory (HBM — ultra-fast memory designed specifically for AI chips) demand.
But 288% is not all organic growth — last year's low base inflates the comparison. This means → real demand is genuinely rising, but the headline figure overstates the magnitude.
In plain terms = memory is the highest-beta play in the AI cycle, but discount the number before drawing conclusions.
Who is riding closest behind memory?
Probe-card suppliers — makers of precision tools that electrically test chips before they leave the fab — grew 95.4%, ranking second, as advanced-node chip testing volumes surged.
Fabless IP-licensing firms grew 61.8%. This means → more chip designers are buying ready-made IP blocks (pre-designed circuit "building blocks") to speed up AI chip development cycles.
Both segments share a trait: they do not make chips themselves but supply the "tools" and "blueprints" to those who do — the hotter AI demand runs, the busier they get.
Foundry and OSAT — how is the supply chain's middle holding up?
Silicon-wafer foundry revenue growth accelerated from 24.3% in May to 54.0% in June. This means → advanced-node utilization rates are still climbing, with no sign of order slowdown.
Fabless design-service firms grew 41.2%; back-end equipment makers grew 27.3% — both above the tracked group's median.
Outsourced assembly and test (OSAT) grew 23.7%. OSAT is the final step turning wafers into finished chips; its acceleration signals that front-end orders are converting into actual shipments.
Legacy segments are growing too — broad upturn or spillover?
Compound-semiconductor foundries grew 21.7%, discrete-component fabless firms 16.8%, front-end equipment makers 16.0%, and materials suppliers 10.8%.
The slowest grower was discrete-component IDMs at just 8.7%. In plain terms = these firms make mature, commoditized products with the least AI exposure — the slowest growth is exactly what you would expect.
This reflects a notable signal: AI-driven growth is no longer confined to memory and foundry — it is beginning to seep into materials, equipment, and discretes, though at a moderate pace, not an explosion.
Every sub-sector in the green — where is this cycle headed?
All 13 sub-sectors posted positive year-on-year growth — uncommon in semiconductor cycles and typically seen only in the mid-to-late stages of an industry upswing.
This means → the driver has shifted from "AI core segments rallying alone" toward "broader supply-chain diffusion," but that diffusion is not yet proven sustainable.
In plain terms = the whole class just passed the exam, but the gap between the top students (memory, probe cards) and the stragglers (discrete IDMs) is still wide. The next few months of data will tell us whether this is a genuine broad recovery or just the afterglow of the AI heatwave.
Content is for reference only, not financial advice.