发明名称 Crossbar switch and method with crosspoint circuit
摘要 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.
申请公布号 US6490213(B1) 申请公布日期 2002.12.03
申请号 US19990419702 申请日期 1999.10.14
申请人 FUJITSU, LTD. 发明人 MU ALBERT;LARSON JEFFREY D.
分类号 H04L12/56;H04Q3/52;(IPC1-7):G11C7/02 主分类号 H04L12/56
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