Electronic digital logic circuitry – Significant integrated structure – layout – or layout... – Field-effect transistor
Patent
1993-06-29
1995-03-07
Westin, Edward P.
Electronic digital logic circuitry
Significant integrated structure, layout, or layout...
Field-effect transistor
326 39, 327543, 327564, H01L 2500, H03K 19173
Patent
active
053961307
ABSTRACT:
A method and apparatus are provided for adaptive chip trim adjustment for an integrated circuit. A plurality of switching devices have an unswitched state and a switched state. The unswitched state corresponds to one binary value, and the switched state corresponds to another binary value. A first trim word is provided by sensing the switching devices. The switching devices are temporarily bypassed, and an override bit pattern is supplied to simulate any desired pattern of the switching device states. The override bit pattern is used for simulating a switched or unswitched state for each of the plurality of switching devices.
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Galbraith Richard L.
Goetschel Christian J.
Kertis Robert A.
Philpott Rick A.
Richetta Raymond A.
Anglin J. Michael
International Business Machines - Corporation
Roseen Richard
Westin Edward P.
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