time_sim.sdf

台湾全华科技VHDL教材实例

            (IOPATH ADR1 O (321:321:321) (321:321:321))
            (IOPATH ADR2 O (321:321:321) (321:321:321))
            (IOPATH ADR3 O (321:321:321) (321:321:321))
          )
        )
  )
  (CELL
    (CELLTYPE "X_LUT4")
      (INSTANCE N_DOUT_14_F)
        (DELAY
          (ABSOLUTE
            (PORT ADR0 (2477:2477:2477) (2477:2477:2477))
            (PORT ADR1 (2862:2862:2862) (2862:2862:2862))
            (IOPATH ADR0 O (321:321:321) (321:321:321))
            (IOPATH ADR1 O (321:321:321) (321:321:321))
            (IOPATH ADR2 O (321:321:321) (321:321:321))
            (IOPATH ADR3 O (321:321:321) (321:321:321))
          )
        )
  )
  (CELL
    (CELLTYPE "X_XOR2")
      (INSTANCE N_DOUT_14_XORF_95)
        (DELAY
          (ABSOLUTE
            (PORT I0 (106:106:106) (106:106:106))
            (PORT I1 (198:198:198) (198:198:198))
            (IOPATH I0 O (0:0:0) (0:0:0))
            (IOPATH I1 O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_MUX2")
      (INSTANCE N_DOUT_14_CYMUXF_96)
        (DELAY
          (ABSOLUTE
            (PORT IA (2769:2769:2769) (2769:2769:2769))
            (PORT IB (52:52:52) (52:52:52))
            (PORT SEL (1067:1067:1067) (1067:1067:1067))
            (IOPATH IA O (0:0:0) (0:0:0))
            (IOPATH IB O (0:0:0) (0:0:0))
            (IOPATH SEL O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_BUF")
      (INSTANCE N_DOUT_14_COUTUSED)
        (DELAY
          (ABSOLUTE
            (IOPATH I O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_FF")
      (INSTANCE N_DOUT_14_FFY_ASYNC_FF)
        (DELAY
          (ABSOLUTE
            (PORT I (667:667:667) (667:667:667))
            (PORT CLK (395:395:395) (395:395:395))
            (IOPATH CLK O (1372:1372:1372) (1372:1372:1372))
            (IOPATH SET O (0:0:0) (0:0:0))
            (IOPATH RST O (1055:1055:1055) (1055:1055:1055))
          )
        )
        (TIMINGCHECK
          (SETUP (posedge I) (posedge CLK) (511:511:511))
          (SETUP (negedge I) (posedge CLK) (511:511:511))
          (HOLD (posedge I) (posedge CLK) (0:0:0))
          (HOLD (negedge I) (posedge CLK) (0:0:0))
          (WIDTH (posedge CLK) (1932:1932:1932))
          (WIDTH (negedge CLK) (1932:1932:1932))
          (RECOVERY (negedge RST) (posedge CLK) (556:556:556))
          (WIDTH (posedge RST) (3220:3220:3220))
        )
  )
  (CELL
    (CELLTYPE "X_FF")
      (INSTANCE N_DOUT_14_FFX_ASYNC_FF)
        (DELAY
          (ABSOLUTE
            (PORT I (667:667:667) (667:667:667))
            (PORT CLK (395:395:395) (395:395:395))
            (IOPATH CLK O (1372:1372:1372) (1372:1372:1372))
            (IOPATH SET O (0:0:0) (0:0:0))
            (IOPATH RST O (1055:1055:1055) (1055:1055:1055))
          )
        )
        (TIMINGCHECK
          (SETUP (posedge I) (posedge CLK) (511:511:511))
          (SETUP (negedge I) (posedge CLK) (511:511:511))
          (HOLD (posedge I) (posedge CLK) (0:0:0))
          (HOLD (negedge I) (posedge CLK) (0:0:0))
          (WIDTH (posedge CLK) (1932:1932:1932))
          (WIDTH (negedge CLK) (1932:1932:1932))
          (RECOVERY (negedge RST) (posedge CLK) (556:556:556))
          (WIDTH (posedge RST) (3220:3220:3220))
        )
  )
  (CELL
    (CELLTYPE "X_XOR2")
      (INSTANCE N_DOUT_16_XORG_97)
        (DELAY
          (ABSOLUTE
            (PORT I0 (121:121:121) (121:121:121))
            (PORT I1 (433:433:433) (433:433:433))
            (IOPATH I0 O (0:0:0) (0:0:0))
            (IOPATH I1 O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_MUX2")
      (INSTANCE N_DOUT_16_CYMUXG_98)
        (DELAY
          (ABSOLUTE
            (PORT IA (2598:2598:2598) (2598:2598:2598))
            (PORT IB (57:57:57) (57:57:57))
            (PORT SEL (1259:1259:1259) (1259:1259:1259))
            (IOPATH IA O (0:0:0) (0:0:0))
            (IOPATH IB O (0:0:0) (0:0:0))
            (IOPATH SEL O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_LUT4")
      (INSTANCE N_DOUT_16_G)
        (DELAY
          (ABSOLUTE
            (PORT ADR0 (2455:2455:2455) (2455:2455:2455))
            (PORT ADR2 (2763:2763:2763) (2763:2763:2763))
            (IOPATH ADR0 O (321:321:321) (321:321:321))
            (IOPATH ADR1 O (321:321:321) (321:321:321))
            (IOPATH ADR2 O (321:321:321) (321:321:321))
            (IOPATH ADR3 O (321:321:321) (321:321:321))
          )
        )
  )
  (CELL
    (CELLTYPE "X_LUT4")
      (INSTANCE N_DOUT_16_F)
        (DELAY
          (ABSOLUTE
            (PORT ADR0 (2141:2141:2141) (2141:2141:2141))
            (PORT ADR3 (2760:2760:2760) (2760:2760:2760))
            (IOPATH ADR0 O (321:321:321) (321:321:321))
            (IOPATH ADR1 O (321:321:321) (321:321:321))
            (IOPATH ADR2 O (321:321:321) (321:321:321))
            (IOPATH ADR3 O (321:321:321) (321:321:321))
          )
        )
  )
  (CELL
    (CELLTYPE "X_XOR2")
      (INSTANCE N_DOUT_16_XORF_99)
        (DELAY
          (ABSOLUTE
            (PORT I0 (106:106:106) (106:106:106))
            (PORT I1 (198:198:198) (198:198:198))
            (IOPATH I0 O (0:0:0) (0:0:0))
            (IOPATH I1 O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_MUX2")
      (INSTANCE N_DOUT_16_CYMUXF_100)
        (DELAY
          (ABSOLUTE
            (PORT IA (2433:2433:2433) (2433:2433:2433))
            (PORT IB (52:52:52) (52:52:52))
            (PORT SEL (1067:1067:1067) (1067:1067:1067))
            (IOPATH IA O (0:0:0) (0:0:0))
            (IOPATH IB O (0:0:0) (0:0:0))
            (IOPATH SEL O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_BUF")
      (INSTANCE N_DOUT_16_COUTUSED)
        (DELAY
          (ABSOLUTE
            (IOPATH I O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_FF")
      (INSTANCE N_DOUT_16_FFY_ASYNC_FF)
        (DELAY
          (ABSOLUTE
            (PORT I (667:667:667) (667:667:667))
            (PORT CLK (442:442:442) (442:442:442))
            (IOPATH CLK O (1372:1372:1372) (1372:1372:1372))
            (IOPATH SET O (0:0:0) (0:0:0))
            (IOPATH RST O (1055:1055:1055) (1055:1055:1055))
          )
        )
        (TIMINGCHECK
          (SETUP (posedge I) (posedge CLK) (511:511:511))
          (SETUP (negedge I) (posedge CLK) (511:511:511))
          (HOLD (posedge I) (posedge CLK) (0:0:0))
          (HOLD (negedge I) (posedge CLK) (0:0:0))
          (WIDTH (posedge CLK) (1932:1932:1932))
          (WIDTH (negedge CLK) (1932:1932:1932))
          (RECOVERY (negedge RST) (posedge CLK) (556:556:556))
          (WIDTH (posedge RST) (3220:3220:3220))
        )
  )
  (CELL
    (CELLTYPE "X_FF")
      (INSTANCE N_DOUT_16_FFX_ASYNC_FF)
        (DELAY
          (ABSOLUTE
            (PORT I (667:667:667) (667:667:667))
            (PORT CLK (442:442:442) (442:442:442))
            (IOPATH CLK O (1372:1372:1372) (1372:1372:1372))
            (IOPATH SET O (0:0:0) (0:0:0))
            (IOPATH RST O (1055:1055:1055) (1055:1055:1055))
          )
        )
        (TIMINGCHECK
          (SETUP (posedge I) (posedge CLK) (511:511:511))
          (SETUP (negedge I) (posedge CLK) (511:511:511))
          (HOLD (posedge I) (posedge CLK) (0:0:0))
          (HOLD (negedge I) (posedge CLK) (0:0:0))
          (WIDTH (posedge CLK) (1932:1932:1932))
          (WIDTH (negedge CLK) (1932:1932:1932))
          (RECOVERY (negedge RST) (posedge CLK) (556:556:556))
          (WIDTH (posedge RST) (3220:3220:3220))
        )
  )
  (CELL
    (CELLTYPE "X_XOR2")
      (INSTANCE N_DOUT_18_XORG_101)
        (DELAY
          (ABSOLUTE
            (PORT I0 (121:121:121) (121:121:121))
            (PORT I1 (433:433:433) (433:433:433))
            (IOPATH I0 O (0:0:0) (0:0:0))
            (IOPATH I1 O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_MUX2")
      (INSTANCE N_DOUT_18_CYMUXG_102)
        (DELAY
          (ABSOLUTE
            (PORT IA (2598:2598:2598) (2598:2598:2598))
            (PORT IB (57:57:57) (57:57:57))
            (PORT SEL (1259:1259:1259) (1259:1259:1259))
            (IOPATH IA O (0:0:0) (0:0:0))
            (IOPATH IB O (0:0:0) (0:0:0))
            (IOPATH SEL O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_LUT4")
      (INSTANCE N_DOUT_18_G)
        (DELAY
          (ABSOLUTE
            (PORT ADR0 (2455:2455:2455) (2455:2455:2455))
            (PORT ADR3 (2459:2459:2459) (2459:2459:2459))
            (IOPATH ADR0 O (321:321:321) (321:321:321))
            (IOPATH ADR1 O (321:321:321) (321:321:321))
            (IOPATH ADR2 O (321:321:321) (321:321:321))
            (IOPATH ADR3 O (321:321:321) (321:321:321))
          )
        )
  )
  (CELL
    (CELLTYPE "X_LUT4")
      (INSTANCE N_DOUT_18_F)
        (DELAY
          (ABSOLUTE
            (PORT ADR0 (2141:2141:2141) (2141:2141:2141))
            (PORT ADR3 (2760:2760:2760) (2760:2760:2760))
            (IOPATH ADR0 O (321:321:321) (321:321:321))
            (IOPATH ADR1 O (321:321:321) (321:321:321))
            (IOPATH ADR2 O (321:321:321) (321:321:321))
            (IOPATH ADR3 O (321:321:321) (321:321:321))
          )
        )
  )
  (CELL
    (CELLTYPE "X_XOR2")
      (INSTANCE N_DOUT_18_XORF_103)
        (DELAY
          (ABSOLUTE
            (PORT I0 (106:106:106) (106:106:106))
            (PORT I1 (198:198:198) (198:198:198))
            (IOPATH I0 O (0:0:0) (0:0:0))
            (IOPATH I1 O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_MUX2")
      (INSTANCE N_DOUT_18_CYMUXF_104)
        (DELAY
          (ABSOLUTE
            (PORT IA (2433:2433:2433) (2433:2433:2433))
            (PORT IB (52:52:52) (52:52:52))
            (PORT SEL (1067:1067:1067) (1067:1067:1067))
            (IOPATH IA O (0:0:0) (0:0:0))
            (IOPATH IB O (0:0:0) (0:0:0))
            (IOPATH SEL O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_BUF")
      (INSTANCE N_DOUT_18_COUTUSED)
        (DELAY
          (ABSOLUTE
            (IOPATH I O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_FF")
      (INSTANCE N_DOUT_18_FFY_ASYNC_FF)
        (DELAY
          (ABSOLUTE
            (PORT I (667:667:667) (667:667:667))
            (PORT CLK (395:395:395) (395:395:395))
            (IOPATH CLK O (1372:1372:1372) (1372:1372:1372))
            (IOPATH SET O (0:0:0) (0:0:0))
            (IOPATH RST O (1055:1055:1055) (1055:1055:1055))
          )
        )
        (TIMINGCHECK
          (SETUP (posedge I) (posedge CLK) (511:511:511))
          (SETUP (negedge I) (posedge CLK) (511:511:511))
          (HOLD (posedge I) (posedge CLK) (0:0:0))
          (HOLD (negedge I) (posedge CLK) (0:0:0))
          (WIDTH (posedge CLK) (1932:1932:1932))
          (WIDTH (negedge CLK) (1932:1932:1932))
          (RECOVERY (negedge RST) (posedge CLK) (556:556:556))
          (WIDTH (posedge RST) (3220:3220:3220))
        )
  )
  (CELL
    (CELLTYPE "X_FF")
      (INSTANCE N_DOUT_18_FFX_ASYNC_FF)
        (DELAY
          (ABSOLUTE
            (PORT I (667:667:667) (667:667:667))
            (PORT CLK (395:395:395) (395:395:395))
            (IOPATH CLK O (1372:1372:1372) (1372:1372:1372))
            (IOPATH SET O (0:0:0) (0:0:0))
            (IOPATH RST O (1055:1055:1055) (1055:1055:1055))
          )
        )
        (TIMINGCHECK
          (SETUP (posedge I) (posedge CLK) (511:511:511))
          (SETUP (negedge I) (posedge CLK) (511:511:511))
          (HOLD (posedge I) (posedge CLK) (0:0:0))
          (HOLD (negedge I) (posedge CLK) (0:0:0))
          (WIDTH (posedge CLK) (1932:1932:1932))
          (WIDTH (negedge CLK) (1932:1932:1932))
          (RECOVERY (negedge RST) (posedge CLK) (556:556:556))
          (WIDTH (posedge RST) (3220:3220:3220))
        )
  )
  (CELL
    (CELLTYPE "X_XOR2")
      (INSTANCE N_DOUT_20_XORG_105)
        (DELAY
          (ABSOLUTE
            (PORT I0 (121:121:121) (121:121:121))
            (PORT I1 (433:433:433) (433:433:433))
            (IOPATH I0 O (0:0:0) (0:0:0))
            (IOPATH I1 O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_MUX2")
      (INSTANCE N_DOUT_20_CYMUXG_106)
        (DELAY
          (ABSOLUTE
            (PORT IA (2598:2598:2598) (2598:2598:2598))
            (PORT IB (57:57:57) (57:57:57))
            (PORT SEL (1259:1259:1259) (1259:1259:1259))
            (IOPATH IA O (0:0:0) (0:0:0))
            (IOPATH IB O (0:0:0) (0:0:0))
            (IOPATH SEL O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_LUT4")
      (INSTANCE N_DOUT_20_G)
        (DELAY
          (ABSOLUTE
            (PORT ADR0 (2455:2455:2455) (2455:2455:2455))
            (PORT ADR3 (2461:2461:2461) (2461:2461:2461))
            (IOPATH ADR0 O (321:321:321) (321:321:321))
            (IOPATH ADR1 O (321:321:321) (321:321:321))
            (IOPATH ADR2 O (321:321:321) (321:321:321))
            (IOPATH ADR3 O (321:321:321) (321:321:321))
          )
        )
  )
  (CELL
    (CELLTYPE "X_LUT4")
      (INSTANCE N_DOUT_20_F)
        (DELAY
          (ABSOLUTE
            (PORT ADR0 (2141:2141:2141) (2141:2141:2141))
            (PORT ADR3 (2762:2762:2762) (2762:2762:2762))
            (IOPATH ADR0 O (321:321:321) (321:321:321))
            (IOPATH ADR1 O (321:321:321) (321:321:321))
            (IOPATH ADR2 O (321:321:321) (321:321:321))
            (IOPATH ADR3 O (321:321:321) (321:321:321))
          )
        )
  )
  (CELL
    (CELLTYPE "X_XOR2")
      (INSTANCE N_DOUT_20_XORF_107)
        (DELAY
          (ABSOLUTE
            (PORT I0 (106:106:106) (106:106:106))
            (PORT I1 (198:198:198) (198:198:198))
            (IOPATH I0 O (0:0:0) (0:0:0))
            (IOPATH I1 O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_MUX2")
      (INSTANCE N_DOUT_20_CYMUXF_108)
        (DELAY
          (ABSOLUTE
            (PORT IA (2433:2433:2433) (2433:2433:2433))
            (PORT IB (52:52:52) (52:52:52))
            (PORT SEL (1067:1067:1067) (1067:1067:1067))
            (IOPATH IA O (0:0:0) (0:0:0))
            (IOPATH IB O (0:0:0) (0:0:0))
            (IOPATH SEL O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_BUF")
      (INSTANCE N_DOUT_20_COUTUSED)
        (DELAY
          (ABSOLUTE
            (IOPATH I O (0:0:0) (0:0:0))
          )
        )
  )
  (CELL
    (CELLTYPE "X_FF")
      (INSTANCE N_DOUT_20_FFY_ASYNC_FF)
        (DELAY
          (ABSOLUTE
            (PORT I (667:667:667) (667:667:667))
            (PORT CLK (442:442:442) (442:442:442))
            (IOPATH CLK O (1372:1372:1372) (1372:1372:1372))
            (IOPATH SET O (0:0:0) (0:0:0))
            (IOPATH RST O (1055:1055:1055) (1055:1055:1055))
          )
        )
        (TIMINGCHECK
          (SETUP (posedge I) (posedge CLK) (511:511:511))
          (SETUP (negedge I) (posedge CLK) (511:511:511))