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TSMC N4

Canonical entity with source-backed relationships and retained history.

urn:vlsi:entity:b7821ee2-bd0d-469f-963d-f08842c06469

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A source-reported date is a historical snapshot. Unknown validity is excluded when a date is selected. “Known to VLSI” uses the end of that UTC day. This entity’s heading uses its current label.

Recorded relationships

SUPPORTED1 evidence record · Revision 1

TSMC Arizona First FabHas process capabilityTSMC N4

First Arizona fab N4 high-volume production.

Validity dates not established

Inspect evidence, confidence and history

Evidence index 85/100 · A rule-based index, not the probability this claim is true. 1 independent source origin(s).

The source does not establish exact validity bounds; retrieval time is recorded separately.

TSMC Arizona ↗

TSMC · Tier A · Primary source · supports

Evidence summary: The first fab began high-volume production on N4 in Q4 2024.

Location: Key Milestones — First Fab

Published: not stated · Retrieved: 2026-09-08 · Extraction: manual-source-review

Store factual paraphrase, metadata and link only. No source document redistribution or inferred license; no source bytes retained.

First observed by VLSI: 2026-09-08T15:57:21.457Z. No independent human verification recorded.

Review: Evidence ingested by curated-primary-sources/1.0.0. Does not identify chips, customers, or installed equipment.

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