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Programmable multiplexed active biologic array

  • US 20040038420A1
  • Filed: 08/20/2002
  • Published: 02/26/2004
  • Est. Priority Date: 08/20/2002
  • Status: Active Grant
First Claim
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1. A digitally programmable array-based electronic chip for carrying out biological reactions in response to electrical stimuli, comprising:

  • an array of electrode sites, each electrode site including a sample-and-hold circuit coupled to a working electrode;

    a plurality of switches for selectively coupling the working electrodes to the output of a digital-to-analog converter (DAC);

    a control logic module coupled to the DAC and the plurality of switches; and

    an external processor that digitally interfaces with the control logic module, wherein the communication between the control logic and the external processor includes a clock signal, a data in signal, and a data out signal.

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