System and method for communicating between a number of elements and a method for configuring and testing the system
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United States of America Patent
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N/A
Issued Date -
Nov 20, 2003
app pub date -
Nov 7, 2002
filing date -
Nov 7, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A switch chip where the parts taking up the most space on the die are provided with a redundancy in number so that a malfunctioning or weak element may be circumvented or routed around so that the chip may be fully functional even though one of the elements is malfunctioning. Means are provided for facilitating communication between the ports of the switch, the functioning elements and a common bus for transferring data between the elements and ports. The malfunctioning or redundant element may be rendered inactive by removing power or a clocking signal thereto. Manners of configuring and testing the chip are described as well as the use of the chip for providing lower functionality configurations.
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