time_sim.sdf

实用的程序代码

(DELAYFILE
  (SDFVERSION "2.1")
  (DESIGN "ACTIVE_LOW_GSR")
  (DATE "Tue Jan  6 16:57:12 1998")
  (VENDOR "Xilinx")
  (PROGRAM "Xilinx VHDL SDF writer")
  (VERSION "M1.4.12")
  (DIVIDER /)
  (VOLTAGE 5.00:5.00:5.00)
  (PROCESS "best=1.0:nom=1.0:worst=1.0")
  (TEMPERATURE 25.00:25.00:25.00)
  (TIMESCALE 1ps)
  (CELL
    (CELLTYPE "X_INV")
    (INSTANCE U1)
    (DELAY
      (ABSOLUTE
        (IOPATH I O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U92)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (IOPATH I O  (2050:2050:2050) (2050:2050:2050))
      )
    )
  )
  (CELL
    (CELLTYPE "X_INV")
    (INSTANCE U2_U2_STARTUP_1_INV_0)
    (DELAY
      (ABSOLUTE
        (IOPATH I O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_INV")
    (INSTANCE U2_STARTUP_GSR_BUF)
    (DELAY
      (ABSOLUTE
        (PORT I  (1032:1032:1032) (1032:1032:1032))
        (IOPATH I O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U2_STARTUP_GTS_BUF)
    (DELAY
      (ABSOLUTE
        (IOPATH I O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U93_1I20)
    (DELAY
      (ABSOLUTE
        (PORT I  (1253:1253:1253) (1253:1253:1253))
        (IOPATH I O  (7300:7300:7300) (7300:7300:7300))
      )
    )
  )
  (CELL
    (CELLTYPE "X_TRI")
    (INSTANCE U93_1I20_GTS_TRI_1)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (IOPATH I O  (0:0:0) (0:0:0))
        (IOPATH CTL O ( )  ( )  (0:0:0) (0:0:0) (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U94_1I20)
    (DELAY
      (ABSOLUTE
        (PORT I  (1020:1020:1020) (1020:1020:1020))
        (IOPATH I O  (7300:7300:7300) (7300:7300:7300))
      )
    )
  )
  (CELL
    (CELLTYPE "X_TRI")
    (INSTANCE U94_1I20_GTS_TRI_2)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (IOPATH I O  (0:0:0) (0:0:0))
        (IOPATH CTL O ( )  ( )  (0:0:0) (0:0:0) (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U95_1I20)
    (DELAY
      (ABSOLUTE
        (PORT I  (1618:1618:1618) (1618:1618:1618))
        (IOPATH I O  (7300:7300:7300) (7300:7300:7300))
      )
    )
  )
  (CELL
    (CELLTYPE "X_TRI")
    (INSTANCE U95_1I20_GTS_TRI_3)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (IOPATH I O  (0:0:0) (0:0:0))
        (IOPATH CTL O ( )  ( )  (0:0:0) (0:0:0) (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U96_1I20)
    (DELAY
      (ABSOLUTE
        (PORT I  (1275:1275:1275) (1275:1275:1275))
        (IOPATH I O  (7300:7300:7300) (7300:7300:7300))
      )
    )
  )
  (CELL
    (CELLTYPE "X_TRI")
    (INSTANCE U96_1I20_GTS_TRI_4)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (IOPATH I O  (0:0:0) (0:0:0))
        (IOPATH CTL O ( )  ( )  (0:0:0) (0:0:0) (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U97_1I20)
    (DELAY
      (ABSOLUTE
        (PORT I  (1390:1390:1390) (1390:1390:1390))
        (IOPATH I O  (7300:7300:7300) (7300:7300:7300))
      )
    )
  )
  (CELL
    (CELLTYPE "X_TRI")
    (INSTANCE U97_1I20_GTS_TRI_5)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (IOPATH I O  (0:0:0) (0:0:0))
        (IOPATH CTL O ( )  ( )  (0:0:0) (0:0:0) (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U98_1I20)
    (DELAY
      (ABSOLUTE
        (PORT I  (1609:1609:1609) (1609:1609:1609))
        (IOPATH I O  (7300:7300:7300) (7300:7300:7300))
      )
    )
  )
  (CELL
    (CELLTYPE "X_TRI")
    (INSTANCE U98_1I20_GTS_TRI_6)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (IOPATH I O  (0:0:0) (0:0:0))
        (IOPATH CTL O ( )  ( )  (0:0:0) (0:0:0) (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U99_1I20)
    (DELAY
      (ABSOLUTE
        (PORT I  (1536:1536:1536) (1536:1536:1536))
        (IOPATH I O  (7300:7300:7300) (7300:7300:7300))
      )
    )
  )
  (CELL
    (CELLTYPE "X_TRI")
    (INSTANCE U99_1I20_GTS_TRI_7)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (IOPATH I O  (0:0:0) (0:0:0))
        (IOPATH CTL O ( )  ( )  (0:0:0) (0:0:0) (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U100_1I20)
    (DELAY
      (ABSOLUTE
        (PORT I  (1815:1815:1815) (1815:1815:1815))
        (IOPATH I O  (7300:7300:7300) (7300:7300:7300))
      )
    )
  )
  (CELL
    (CELLTYPE "X_TRI")
    (INSTANCE U100_1I20_GTS_TRI_8)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (IOPATH I O  (0:0:0) (0:0:0))
        (IOPATH CTL O ( )  ( )  (0:0:0) (0:0:0) (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_FF")
    (INSTANCE UP_CNT_REG_2_1I13)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (PORT CLK  (1235:1235:1235) (1235:1235:1235))
        (IOPATH CLK O  (2820:2820:2820) (2820:2820:2820))
        (IOPATH SET O  (2820:2820:2820) (2820:2820:2820))
        (IOPATH RST O  (2820:2820:2820) (2820:2820:2820))
      )
    )
    (TIMINGCHECK
      (WIDTH (posedge CLK)  (4000:4000:4000))
      (WIDTH (negedge CLK)  (4000:4000:4000))
      (SETUP (posedge I) (posedge CLK) (0:0:0))
      (SETUP (negedge I) (posedge CLK) (0:0:0))
      (HOLD (negedge I) (posedge CLK) (0:0:0))
      (HOLD (posedge I) (posedge CLK) (0:0:0))
      (HOLD (negedge RST) (posedge CLK) (0:0:0))
      (WIDTH (posedge RST)  (4000:4000:4000))
    )
  )
  (CELL
    (CELLTYPE "X_OR2")
    (INSTANCE UP_CNT_REG_2_1I13_GSR_OR_9)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_FF")
    (INSTANCE UP_CNT_REG_3_1I13)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (PORT CLK  (1235:1235:1235) (1235:1235:1235))
        (IOPATH CLK O  (2820:2820:2820) (2820:2820:2820))
        (IOPATH SET O  (2820:2820:2820) (2820:2820:2820))
        (IOPATH RST O  (2820:2820:2820) (2820:2820:2820))
      )
    )
    (TIMINGCHECK
      (WIDTH (posedge CLK)  (4000:4000:4000))
      (WIDTH (negedge CLK)  (4000:4000:4000))
      (SETUP (posedge I) (posedge CLK) (0:0:0))
      (SETUP (negedge I) (posedge CLK) (0:0:0))
      (HOLD (negedge I) (posedge CLK) (0:0:0))
      (HOLD (posedge I) (posedge CLK) (0:0:0))
      (HOLD (negedge RST) (posedge CLK) (0:0:0))
      (WIDTH (posedge RST)  (4000:4000:4000))
    )
  )
  (CELL
    (CELLTYPE "X_OR2")
    (INSTANCE UP_CNT_REG_3_1I13_GSR_OR_10)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_FF")
    (INSTANCE DN_CNT_REG_2_1I13)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (PORT CLK  (1235:1235:1235) (1235:1235:1235))
        (IOPATH CLK O  (2820:2820:2820) (2820:2820:2820))
        (IOPATH SET O  (2820:2820:2820) (2820:2820:2820))
        (IOPATH RST O  (2820:2820:2820) (2820:2820:2820))
      )
    )
    (TIMINGCHECK
      (WIDTH (posedge CLK)  (4000:4000:4000))
      (WIDTH (negedge CLK)  (4000:4000:4000))
      (SETUP (posedge I) (posedge CLK) (0:0:0))
      (SETUP (negedge I) (posedge CLK) (0:0:0))
      (HOLD (negedge I) (posedge CLK) (0:0:0))
      (HOLD (posedge I) (posedge CLK) (0:0:0))
      (HOLD (negedge SET) (posedge CLK) (0:0:0))
      (WIDTH (posedge SET)  (4000:4000:4000))
    )
  )
  (CELL
    (CELLTYPE "X_OR2")
    (INSTANCE DN_CNT_REG_2_1I13_GSR_OR_11)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_FF")
    (INSTANCE DN_CNT_REG_3_1I13)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (PORT CLK  (1235:1235:1235) (1235:1235:1235))
        (IOPATH CLK O  (2820:2820:2820) (2820:2820:2820))
        (IOPATH SET O  (2820:2820:2820) (2820:2820:2820))
        (IOPATH RST O  (2820:2820:2820) (2820:2820:2820))
      )
    )
    (TIMINGCHECK
      (WIDTH (posedge CLK)  (4000:4000:4000))
      (WIDTH (negedge CLK)  (4000:4000:4000))
      (SETUP (posedge I) (posedge CLK) (0:0:0))
      (SETUP (negedge I) (posedge CLK) (0:0:0))
      (HOLD (negedge I) (posedge CLK) (0:0:0))
      (HOLD (posedge I) (posedge CLK) (0:0:0))
      (HOLD (negedge SET) (posedge CLK) (0:0:0))
      (WIDTH (posedge SET)  (4000:4000:4000))
    )
  )
  (CELL
    (CELLTYPE "X_OR2")
    (INSTANCE DN_CNT_REG_3_1I13_GSR_OR_12)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_CKBUF")
    (INSTANCE U91_CLKBUF)
    (DELAY
      (ABSOLUTE
        (PORT I  (2720:2720:2720) (2720:2720:2720))
        (IOPATH I O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_BUF")
    (INSTANCE U91_CLKIO_BUF)
    (DELAY
      (ABSOLUTE
        (PORT I  (0:0:0) (0:0:0))
        (IOPATH I O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND3")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_AND3_A_13)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
        (IOPATH I2 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND3")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_AND3_B_14)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
        (IOPATH I2 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND3")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_AND3_C_15)
    (DELAY
      (ABSOLUTE
        (PORT I0  (1025:1025:1025) (1025:1025:1025))
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
        (IOPATH I2 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_OR3")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_MUXC_OUT_16)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
        (PORT I2  (0:0:0) (0:0:0))
        (IOPATH I2 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_C1_AND_17)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_C0_AND_18)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_OR2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_MUXA_OUT_19)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_F2_AND_20)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_XOR2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_F2_XOR_21)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_XOR2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_F1_XOR_22)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (PORT I1  (1025:1025:1025) (1025:1025:1025))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_C2_AND_23)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_C3_AND_24)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (PORT I1  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_OR2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_MUXB_OUT_25)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (PORT I1  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_CIN_AND_26)
    (DELAY
      (ABSOLUTE
        (PORT I0  (1020:1020:1020) (1020:1020:1020))
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (PORT I1  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_MUXC_AND_27)
    (DELAY
      (ABSOLUTE
        (PORT I0  (0:0:0) (0:0:0))
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (PORT I1  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_OR2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_COUT0)
    (DELAY
      (ABSOLUTE
        (PORT I0  (0:0:0) (0:0:0))
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (PORT I1  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_AND2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_G1_AND_28)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL
    (CELLTYPE "X_XOR2")
    (INSTANCE ADD_50_PLUS_PLUS_U6_S0_1_CY4_1_CY4_G1_XOR_29)
    (DELAY
      (ABSOLUTE
        (IOPATH I0 O  (0:0:0) (0:0:0))
        (IOPATH I1 O  (0:0:0) (0:0:0))
      )
    )
  )
  (CELL