TSMC is expanding its N2 process node across multiple fabs and scaling advanced packaging solutions (CoWoS, SoIC) to uncork bandwidth and thermal constraints that have slowed AI accelerator deployments. The roadmap shows TSMC expects N2 demand to sustain through 2027–2028 as AI chip design proliferates.
For supply-chain planners, this is a signal: N2 nodes will remain supply-constrained longer than expected, and packaging capacity will be a hard gating factor for new AI chip launches. Expect lead times of 6–9 months on advanced packages into 2026–2027.