Level shifter circuit and method of operating the same

    公开(公告)号:US11012073B2

    公开(公告)日:2021-05-18

    申请号:US16936281

    申请日:2020-07-22

    Abstract: A circuit includes a level shifter circuit, an output circuit and a feedback circuit. The level shifter circuit is coupled to a first voltage supply, and is configured to receive at least an enable signal, a first input signal or a second input signal. The level shifter circuit is configured to generate at least a first signal responsive to at least the enable signal or the first input signal. The output circuit is coupled to at least the level shifter circuit and the first voltage supply, is configured to receive the first signal, and to generate at least an output signal or a set of feedback signals responsive to the first signal. The feedback circuit is coupled to the level shifter circuit, the output circuit and the first voltage supply, and is configured to receive the enable signal, an inverted enable signal and the set of feedback signals.

    Integrated circuit layout method and device

    公开(公告)号:US10741540B2

    公开(公告)日:2020-08-11

    申请号:US16204678

    申请日:2018-11-29

    Abstract: A method of generating a layout diagram of an IC cell includes defining a boundary recess in a boundary of the cell by extending a first portion of the boundary along a first direction, extending a second portion of the boundary away from the first portion in a second direction perpendicular to the first direction, the second portion being contiguous with the first portion, and extending a third portion of the boundary away from the first portion in the second direction, the third portion being contiguous with the first portion. An active region is positioned in the cell by extending the active region away from the first portion in a third direction opposite to the second direction. The layout diagram is stored on a non-transitory computer-readable medium.

    Compressor circuit and compressor circuit layout

    公开(公告)号:US10003342B2

    公开(公告)日:2018-06-19

    申请号:US14740499

    申请日:2015-06-16

    CPC classification number: H03K19/21

    Abstract: A compressor circuit includes a plurality of inputs, a sum output, and a plurality of XOR circuits. Each XOR circuit of the plurality of XOR circuits includes first, second and third inputs, and a first output. The XOR circuit is configured to generate a logic value A⊕B⊕C at the first output, where A, B and C are logic values at the corresponding first, second and third inputs, and “⊕” is the XOR logic operation. The plurality of XOR circuits includes first and second XOR circuits. The first, second and third inputs of the first XOR circuit are coupled to corresponding inputs among the plurality of inputs of the compressor circuit. The first output of the first XOR circuit is coupled to the first input of the second XOR circuit. The first output of the second XOR circuit is coupled to the sum output.

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