time_sim.sdf

实用的程序代码

(DELAYFILE
  (SDFVERSION "2.1")
  (DESIGN "gate_clock")
  (DATE "Tue Jan  6 18:51:24 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)
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U33)
    (DELAY
      (ABSOLUTE
        (PORT IN  (0:0:0) (0:0:0))
        (IOPATH IN OUT  (2050:2050:2050) (2050:2050:2050))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U35)
    (DELAY
      (ABSOLUTE
        (PORT IN  (0:0:0) (0:0:0))
        (IOPATH IN OUT  (2050:2050:2050) (2050:2050:2050))
      )
    )
  )
  (CELL
    (CELLTYPE "X_FF")
    (INSTANCE OUT1_reg)
    (DELAY
      (ABSOLUTE
        (PORT IN  (3060:3060:3060) (3060:3060:3060))
        (PORT CLK  (866:866:866) (866:866:866))
        (IOPATH CLK OUT  (2820:2820:2820) (2820:2820:2820))
        (PORT CE  (3677:3677:3677) (3677:3677:3677))
        (IOPATH SET OUT  (2820:2820:2820) (2820:2820:2820))
        (IOPATH RST OUT  (2820:2820:2820) (2820:2820:2820))
      )
    )
    (TIMINGCHECK
      (WIDTH (posedge CLK)  (4000:4000:4000))
      (WIDTH (negedge CLK)  (4000:4000:4000))
      (SETUP CE (posedge CLK) (0:0:0))
      (SETUP IN (posedge CLK) (0:0:0))
      (HOLD RST (posedge CLK) (0:0:0))
      (HOLD IN (posedge CLK) (0:0:0))
      (HOLD CE (posedge CLK) (0:0:0))
      (WIDTH (posedge RST)  (4000:4000:4000))
    )
  )
  (CELL
    (CELLTYPE "X_INV")
    (INSTANCE U39)
    (DELAY
      (ABSOLUTE
        (IOPATH IN OUT  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_OR2")
    (INSTANCE OUT1_reg_GSR_OR_27)
    (DELAY
      (ABSOLUTE
        (IOPATH IN0 OUT  (0:0:0) (0:0:0))
        (IOPATH IN1 OUT  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U36\/\$1I20)
    (DELAY
      (ABSOLUTE
        (PORT IN  (1477:1477:1477) (1477:1477:1477))
        (IOPATH IN OUT  (7300:7300:7300) (7300:7300:7300))
      )
    )
  )
  (CELL
    (CELLTYPE "X_TRI")
    (INSTANCE U36\/\$1I20_GTS_TRI_28)
    (DELAY
      (ABSOLUTE
        (PORT IN  (0:0:0) (0:0:0))
        (IOPATH IN OUT  (0:0:0) (0:0:0))
        (IOPATH CTL OUT ( )  ( )  (0:0:0) (0:0:0) (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_CKBUF")
    (INSTANCE U31\/clkbuf)
    (DELAY
      (ABSOLUTE
        (PORT IN  (2720:2720:2720) (2720:2720:2720))
        (IOPATH IN OUT  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U31\/clkio_buf)
    (DELAY
      (ABSOLUTE
        (PORT IN  (0:0:0) (0:0:0))
        (IOPATH IN OUT  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_CKBUF")
    (INSTANCE U32\/clkbuf)
    (DELAY
      (ABSOLUTE
        (PORT IN  (2720:2720:2720) (2720:2720:2720))
        (IOPATH IN OUT  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U32\/clkio_buf)
    (DELAY
      (ABSOLUTE
        (PORT IN  (0:0:0) (0:0:0))
        (IOPATH IN OUT  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_CKBUF")
    (INSTANCE U34\/clkbuf)
    (DELAY
      (ABSOLUTE
        (PORT IN  (2720:2720:2720) (2720:2720:2720))
        (IOPATH IN OUT  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U34\/clkio_buf)
    (DELAY
      (ABSOLUTE
        (PORT IN  (0:0:0) (0:0:0))
        (IOPATH IN OUT  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND2")
    (INSTANCE U37\/n_1\/2_0)
    (DELAY
      (ABSOLUTE
        (PORT IN0  (3336:3336:3336) (3336:3336:3336))
        (IOPATH IN0 OUT  (0:0:0) (0:0:0))
        (PORT IN1  (1245:1245:1245) (1245:1245:1245))
        (IOPATH IN1 OUT  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND2")
    (INSTANCE U37\/n_1)
    (DELAY
      (ABSOLUTE
        (PORT IN0  (0:0:0) (0:0:0))
        (IOPATH IN0 OUT  (1600:1600:1600) (1600:1600:1600))
        (PORT IN1  (1235:1235:1235) (1235:1235:1235))
        (IOPATH IN1 OUT  (1600:1600:1600) (1600:1600:1600))
      )
    )
  )
  (CELL
    (CELLTYPE "X_INV")
    (INSTANCE U36\/\$1I20_GTS_TRI_2_INV_29)
    (DELAY
      (ABSOLUTE
        (IOPATH IN OUT  (0:0:0) (0:0:0))
      )
    )
  )
)