Twitter/X

TSMC and Winbond will collaborate on next-generation Wafer-on-Wafer (WoW) 3D…

2026-06-28 · 22:52 UTC ·@jukan05 ·1 min read

Brief

TSMC and Winbond will jointly develop Wafer-on-Wafer (WoW) 3D stacking: Winbond supplying DRAM wafers and TSMC stacking them with logic wafers for AI chips. The move, reported 2026-06-28, is positioned as TSMC’s strategy to diversify beyond Samsung, SK Hynix, and Micron and build a Taiwanese memory supply chain while enabling Winbond’s push into AI server and HPC markets.

Why it matters

TSMC and Winbond will collaborate on next-generation Wafer-on-Wafer (WoW) 3D stacking: Winbond will supply DRAM wafers and TSMC will stack them with its logic wafers to produce AI chips.

Key details

  • TSMC, which historically relied on Samsung, SK Hynix, and Micron, is diversifying to cultivate a Taiwanese memory supply chain to strengthen AI-chip supply stability; Winbond expects the partnership to springboard it into AI server and high-performance computing supply chains.
  • Report by @jukan05 on 2026-06-28 frames the deal as a response to 'deepening global memory shortages.'
Source evidence

>>TSMC Teams Up with Winbond to Build a Homegrown DRAM Supply Chain for AI

• Amid deepening global memory shortages, TSMC has brought Winbond into its AI chip supply chain. The two companies will collaborate on next generation WoW (Wafer on Wafer) 3D stacking technology, with Winbond supplying DRAM wafers and TSMC stacking them with logic wafers for use in AI chips.

• TSMC has historically relied on Samsung Electronics, SK Hynix, and Micron, but as the supply shortage has intensified, it is seen as moving to diversify its sourcing. The industry views this partnership not as a simple supply agreement but as part of a TSMC strategy to cultivate a memory supply chain within Taiwan and strengthen the supply stability of its AI chips. Winbond, for its part, is expected to use this as a springboard to enter the AI server and high performance computing supply chains in earnest.