length matching for xilinx USB programmer ??

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kabaleevisu

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Hi everyone,


i am designing xilinx USB JTAG programmer. in my designing CY7C68013A and XC2C256 is used. i red this data sheet here address bus and control signal pin are available .is it need length matching ???


1.please anybody explain what is length matching ?? uses of length matching
2.length matching is used in address bus or control signal


if have any document regarding length matching document please post
 

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