The October 2023 rule's ECCN 3A090.b controls integrated circuits with a TPP of 2400 or more and less than 4800 and a performance density of 1.6 or more and less than 5.92, or a TPP of 1600 or more and a performance density of 3.2 or more and less than 5.92.

The exact words it rests on

The new ECCN 3A090.b will control ICs with one or more digital processing units having either: (1) a `total processing performance' of 2400 or more and less than 4800 and a `performance density' of 1.6 or more and less than 5.92, or (2) a `total processing performance' of 1600 or more and a `performance density' of 3.2 or more and less than 5.92.

What the source said when we opened it, on 14 Nov 2026.

The source

Implementation of Additional Export Controls: Certain Advanced Computing Items (interim final rule, 88 FR 73458)
Bureau of Industry and Security (Federal Register) · 2023-10-25

Open the sourcearchived copy

Checked

Checked by the notis newsroom on 14 Nov 2026, against the source above.

In the story

How US AI-chip export rules use a performance score and buyer headquarters 15 Nov 2026