Method and apparatus for adaptive chip trim adjustment
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United States of America Patent
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Mar 7, 1995
Grant Date -
N/A
app pub date -
Jun 29, 1993
filing date -
Jun 29, 1993
priority date (Note) -
Expired
status (Latency Note)
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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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