Importance

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Abstract

A high-speed data compared latch with auto-adjustment of offset, includes input pair transistors P, input pair transistors N, a compared latch module, an input control module, an output control module and a offset logic control module, the offset logic control module creates two control signals that regulate the number of input pair transistors P and input pair transistors N respectively according to reset signal RESET and the latched output of the compared latch module, and achieve self correcting of offset through regulating the number of the input pair transistors P and the input pair transistors N. The present invention is a feedback mechanism, automatically trimming the number of differential input pair to achieve the trimming differential pair operating point and the threshold voltage, eliminate the process variation, and latch on more precise control match the differential input pair transistors of the high-speed data compared latch in receiver accurately.

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First Claim