Patents Represented by Attorney, Agent or Law Firm Bernard Hoffman
  • Asymmetric bidirectional bus implemented using an I/O device with a digitally controlled impedance
    Patent number: 6836142
    Abstract: A system and method are provided for replacing dedicated external termination resistors typically used to implement an asymmetrical unidirectional bus I/O standard with programmable resistances that are dynamically selected by programming output driver circuits having digitally controlled impedances.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: December 28, 2004
    Assignee: Xilinx, Inc.
    Inventors: Austin H. Lesea, Atul V. Ghia