Reduction of charge injection noise in sense amplifiers of high-speed data interfaces

Abstract

An electronic device includes a sense amplifier. The sense amplifier includes a pair of load transistors cross-coupled to each other, a pair of input transistors coupled to the pair of load transistors, a first current path, and a second current path. The pair of input transistors is configured to receive a pair of input signals and enable generation of a pair of output signals from the pair of input signals during a duty cycle of a clock signal. The first current path is coupled to the pair of input transistors via a tail node and controlled by the clock signal to couple the tail node to a power supply and enable generation of the pair of output signals during the duty cycle of the clock signal. A second current path electrically couples the tail node to the power supply, independently of switching of the clock signal.