Importance

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Abstract

A switch system and method transfer a data packet from a source data port to one or more destination data ports through a switch. The system includes at least one crosspoint circuit. A crosspoint circuit in the switch system includes a first and a second reduced voltage swing line, a first and a second transistor circuit for each data input path and a sense amplifier for a data port. The first reduced voltage swing line is coupled to the first transistor circuit, the second reduced voltage swing line is coupled to the second transistor circuit and both reduced voltage swing lines are connected to the sense amplifier. A method for transferring data using a crosspoint circuit includes a charging first voltage line and a second voltage line to a predetermined voltage level, discharging the predetermined voltage level in the first voltage line, maintaining the predetermined voltage level in the second voltage line concurrently with the discharging step, receiving a high clock signal at a sense amplifier, and generating an output signal based on a differential voltage level at the arrival of the clock signal.

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First Claim