Cell array with mismatch reduction

Details Cell array with mismatch reduction Cell array with mismatch reduction

2005-06-28

2005-06-28

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S156000

Reexamination Certificate

active

06911930

ABSTRACT:
A cell array has a plurality of cell elements integrated in a wafer in a bidimensional cell matrix, wherein each integrated cell element comprises a mismatch between its actual physical property and a nominal property value. The mismatch of each cell element is a function of the distance of the respective cell element to a center of the cell array having a bidimensional mismatch distribution which is circular symmetric. The cell elements are connected in series in a wiring pattern along the circular symmetric mismatch distribution of the cell array to reduce an accumulated mismatch.

REFERENCES:
patent: 6204794 (2001-03-01), Bult
patent: 6452152 (2002-09-01), Yang

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