Patent ID: 6563446
Filing Date: 2003-05-13
Classification: H03M

Abstract:
An integrated circuit for supplying reference voltages comprising:a) a plurality of common outputs to output the reference voltages; b) a plurality of inputs; c) MÃ—N switch elements arranged in M rows and N columns, each of said MÃ—N switch elements having first and second terminals; d) a plurality of first wirings, each of said plurality of first wirings being in communication with said first terminals of N of said MÃ—N switch elements for each corresponding one of the M rows, wherein each of said plurality of first wirings is in communication with a corresponding one of said plurality of common outputs; e) a plurality of second wirings, each of said plurality of second wirings being in communication with said second terminals of X of said MÃ—N switch elements and to only one of said MÃ—N switch elements on each one of the M rows, wherein X is at most M, wherein each of said plurality of second wirings is in communication with a corresponding one of said plurality of inputs.