Analog Devices,inc.

Eitake Ibaragi

Ronald A Kapusta, Jr

David Paul Foley

Katsu Nakamura

The invention is directed to an interface circuit for bridging voltage domains. The interface circuit receives an input signal, having a larger voltage domain, and safely provides the signal to an electronic device which has a smaller voltage domain. The interface circuit may include a transistor configured as a source follow so that an output of the transistor follows the input of the transistor. A blocking voltage may be provided at the input of the transistor to provide a voltage bias, blocking a range of input voltages to the transistor. The transistor may also have a blocking voltage at a drain terminal of the transistor, to block any output voltage above the blocking voltage.

Interface circuit for bridging voltage domains

A method of transferring charge from a photosensitive array using a plurality of vertical shift registers, each having a plurality of vertical elements including first and last vertical element is disclosed The vertical shift registers are capable of transferring charge in a first direction from the first to the last vertical element The method also includes using at least one horizontal shift register having a plurality of horizontal elements. Each of the horizontal elements is arranged to receive charge transferred from the last vertical element of a respective one of the plurality of vertical shift registers, and shift the charge in a horizontal direction. The method includes operating the horizontal shift register during a plurality of horizontal operating intervals and operating the plurality of vertical shift registers during at least a portion of the plurality of horizontal operating intervals.

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Saitma, Japan

Eitake Ibaragi