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Recent content by jkumar10

  1. J

    how tetramax interpretes clock?

    hi all, this is related to clock interpretation by tetramax. i believe tetramax takes all clock definition as asynchronus clock source ( right ? ). does this hold true for clocks derived internally too ( clock derived at a mux o/p, PLL o/p pin etc? hence in an SDC definition false paths from...
  2. J

    wait for file c shell

    hi all, i am a newbie in shell scripting. i need your help regarding this problem of mine. i need to run equivalence checks between stages of netlist generation . and of course its not practical to sit and wait for the netlist. could you help me in writing a shell command which will wait for...
  3. J

    SPF generation & R27 error

    hi all, while tracing scan chains , i am getting R27 violations. we've implemented pipe line flops to support faster shift speed. can you please suggest a way to work around that violation ? while analyzing the spf, we found out that while defining scan chains in "ScanStructures { " , when it...
  4. J

    IDDQ pattern generation

    hi all, its regarding the IDDQ pattern generation. does the spf setup ( compressed / uncompressed scan chains ) helps during pattern generation ? on the road, how do we simulate the IDDQ patterns ? we use cadence simulator. so, does the simulator actually test expected failure current ? thanks

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