time_sim.sdf

实用的程序代码

(DELAYFILE
  (SDFVERSION "2.1")
  (DESIGN "use_gr")
  (DATE "Tue Jan  6 19:02:58 1998")
  (VENDOR "Xilinx")
  (PROGRAM "Xilinx VERILOG SDF writer")
  (VERSION "M1.4.12")
  (DIVIDER /)
  (VOLTAGE 5.00:5.00:5.00)
  (PROCESS)
  (TEMPERATURE 25.00:25.00:25.00)
  (TIMESCALE 1ps)
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    (INSTANCE U47)
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      (ABSOLUTE
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      (ABSOLUTE
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      (ABSOLUTE
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    (INSTANCE U46\/\$1I20_GTS_TRI_177)
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      (ABSOLUTE
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        (IOPATH RST OUT  (1869:1869:1869) (1869:1869:1869))
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      (SETUP IN (posedge CLK) (905:905:905))
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      (ABSOLUTE
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      )
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  (CELL
    (CELLTYPE "X_FF")
    (INSTANCE UPCNT_reg\<2\>\/\$1I13)
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      (ABSOLUTE
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        (PORT CLK  (1052:1052:1052) (862:862:862))
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        (IOPATH SET OUT  (1869:1869:1869) (1869:1869:1869))
        (PORT RST  (0:0:0) (0:0:0))
        (IOPATH RST OUT  (1869:1869:1869) (1869:1869:1869))
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    (TIMINGCHECK
      (SETUP RST (posedge CLK) (0:0:0))
      (SETUP IN (posedge CLK) (905:905:905))
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    (INSTANCE UPCNT_reg\<2\>\/\$1I13_GR_OR_163)
    (DELAY
      (ABSOLUTE
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      (ABSOLUTE
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      (SETUP IN (posedge CLK) (905:905:905))
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    (INSTANCE UPCNT_reg\<1\>\/\$1I13_GR_OR_164)
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      (ABSOLUTE
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      )
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    (CELLTYPE "X_FF")
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      (ABSOLUTE
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        (PORT CLK  (1052:1052:1052) (862:862:862))
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        (IOPATH SET OUT  (1869:1869:1869) (1869:1869:1869))
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        (IOPATH RST OUT  (1869:1869:1869) (1869:1869:1869))
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      (SETUP IN (posedge CLK) (905:905:905))
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      (ABSOLUTE
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      (ABSOLUTE
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        (IOPATH SET OUT  (1869:1869:1869) (1869:1869:1869))
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        (IOPATH RST OUT  (1869:1869:1869) (1869:1869:1869))
      )
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      (SETUP IN (posedge CLK) (905:905:905))
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      (ABSOLUTE
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      (ABSOLUTE
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    (DELAY
      (ABSOLUTE
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      (SETUP IN (posedge CLK) (905:905:905))
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      (ABSOLUTE
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      )
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    (DELAY
      (ABSOLUTE
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      )
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      (ABSOLUTE
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      (ABSOLUTE
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      )
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    (CELLTYPE "X_XOR2")
    (INSTANCE add_26\/u6\/S0_1\/XOR6_SUM_1_2)
    (DELAY
      (ABSOLUTE
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    (INSTANCE add_26\/u6\/S0_1\/XOR5_MUX_SEL_1_2)
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      (ABSOLUTE
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        (IOPATH IN1 OUT  (674:674:674) (674:674:674))
      )
    )
  )
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    (CELLTYPE "X_XOR2")
    (INSTANCE add_26\/u6\/S0_1\/XOR4_SUM_1_1)
    (DELAY
      (ABSOLUTE
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        (IOPATH IN1 OUT  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_XOR2")
    (INSTANCE add_26\/u6\/S0_1\/XOR3_MUX_SEL_1_1)
    (DELAY
      (ABSOLUTE
        (PORT IN0  (2458:2458:2458) (2458:2458:2458))
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        (IOPATH IN1 OUT  (674:674:674) (674:674:674))
      )
    )
  )
  (CELL
    (CELLTYPE "X_XOR2")
    (INSTANCE add_26\/u6\/S0_1\/XOR2_SUM_1_0)
    (DELAY
      (ABSOLUTE
        (PORT IN0  (4049:4049:4049) (4049:4049:4049))
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        (PORT IN1  (2622:2622:2622) (2622:2622:2622))
        (IOPATH IN1 OUT  (0:0:0) (0:0:0))
      )
    )
  )
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    (CELLTYPE "X_XOR2")
    (INSTANCE add_26\/u6\/S0_1\/XOR1_MUX_SEL_1_0)
    (DELAY
      (ABSOLUTE
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        (IOPATH IN1 OUT  (674:674:674) (674:674:674))
      )
    )
  )
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    (CELLTYPE "X_AND2")
    (INSTANCE add_26\/u6\/S0_1\/CY_MUX_1_2\/AND0_82)
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      (ABSOLUTE
        (PORT IN0  (2506:2506:2506) (2506:2506:2506))
        (IOPATH IN0 OUT  (869:869:869) (869:869:869))
        (PORT IN1  (0:0:0) (0:0:0))
        (IOPATH IN1 OUT  (869:869:869) (869:869:869))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND2")
    (INSTANCE add_26\/u6\/S0_1\/CY_MUX_1_2\/AND1_83)
    (DELAY
      (ABSOLUTE
        (PORT IN0  (0:0:0) (0:0:0))
        (IOPATH IN0 OUT  (0:0:0) (0:0:0))
        (PORT IN1  (869:869:869) (869:869:869))
        (IOPATH IN1 OUT  (0:0:0) (0:0:0))