Integrated circuit for analog system

Details Integrated circuit for analog system Integrated circuit for analog system

H - Electricity

01

L

356/134

H01L 27/00 (2006.01) G11C 27/00 (2006.01) G11C 27/02 (2006.01)

Patent

CA 2039424

This invention relates to semiconductor integrated circuits which find utility in analogue systems. An integrated circuit of the invention comprises an array of configurable analogue cells each of which is capable of interconnection with other cells in the array by means of an interconnection network. Each of the cells can be selectively and individually selected by means of select signals and emanating from shift registers. When selected the cell may be configured with configuration data which both sets the cell to take up a particular electrical configuration by means of digital data and sets various programmable resistors and capacitors in the cells to particular values by means of analogue signals. The configuration data is held in a random access memory. Some of this data is converted to analogue form by means of a ditigal-to-analogue converter. The circuit is controlled by a central control and is capable of being configured to implement particular analogue functional applications from a plurality of possible analogue functional applications. Provision in the circuitry is made to automatically compensate for manufacturing component tolerances.

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