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| World's Largest Chipmaker, Taiwan Semi, Accelerates Local DRAM Supply Chain With Winbond Collaboration | |
| 2026-06-30 | |
[ZERO] In a time of heightened scrutiny on the memory supply chain, overnight the world's largest chipmaker, Taiwan's TSMC, is reportedly building out a domestic DRAM supply chain in Taiwan amid a severe global memory shortage, bringing in Winbond
TSMC and Winbond are collaborating on a localized DRAM supply chain using 3D wafer-on-wafer (WoW) stacking technology, where Winbond would supply DRAM memory wafers to be stacked with TSMC's logic wafers. The move is designed to keep critical memory production close to home while feeding the demand of AI hardware. Key details: The tech: WoW uses hybrid bonding to directly stack logic chips and memory wafers vertically, creating tens of thousands to millions of micro copper interconnects — shortening data transmission distance versus traditional packaging, with higher bandwidth, lower latency, and better power efficiency. It's positioned as critical for AI servers, HPC, and edge AI devices. Why Winbond: TSMC's WoW memory wafers have historically relied on Samsung, SK Hynix, and Micron. With global memory supply extremely tight and those three running near full capacity, TSMC is diversifying. Winbond's long track record in niche/specialty DRAM and NOR Flash, plus its mature 12-inch wafer production, high yield, and quality control, made it a fit. Strategic angle: This is framed as TSMC cultivating a domestic supply chain to strengthen Taiwan's self-sufficiency in AI chip components — elevating Winbond from a peripheral player to a core part of the global AI supply chain, and reinforcing Taiwan's overall position in AI semiconductor manufacturing. Caveat: Winbond declined to comment on specific clients/deals, and TSMC had not responded by press time — this is sourced to unnamed industry insiders, not confirmed by either company. Some more technical color on what Winbond actually brings: Related: TSMC 06/26/2026 Samsung readies $648 billion bet, report says, as AI boom reshapes South Korea TSMC 06/09/2026 Asian Markets Crash Monday - Circuit Breakers Triggered TSMC 04/21/2026 Apple CEO Tim Cook abruptly resigns and names successor | |
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