fifo89_timesim.sdf

在ISE环境下用VHDL写的8*9FIFO

        (ABSOLUTE
          (IOPATH I O ( 2781 ))
        )
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE data_in_4_IMUX)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 127 ))
        )
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE data_in_4_IBUF)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 649 ))
        )
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE data_in_4_DELAY)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 688 ))
        )
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE data_in_5_IMUX)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 127 ))
        )
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE data_in_5_IBUF)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 649 ))
        )
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE data_in_5_DELAY)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 688 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_4_4)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1723 ))
          (PORT CE ( 1310 ))
          (PORT CLK ( 339 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_4_5_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2988 )( 2988 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_5_2)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1791 ))
          (PORT CE ( 890 ))
          (PORT CLK ( 338 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_5_3_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 3247 )( 3247 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_4_6)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1149 ))
          (PORT CE ( 1051 ))
          (PORT CLK ( 411 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_4_7_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2262 )( 2262 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_6_0)
      (DELAY
        (ABSOLUTE
          (PORT I ( 2305 ))
          (PORT CE ( 1519 ))
          (PORT CLK ( 346 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_6_1_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2805 )( 2805 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_5_4)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1866 ))
          (PORT CE ( 1009 ))
          (PORT CLK ( 335 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_5_5_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 3329 )( 3329 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_4_8)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1772 ))
          (PORT CE ( 572 ))
          (PORT CLK ( 316 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_4_8_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2100 )( 2100 ))
        )
      )
  )
  (CELL (CELLTYPE "X_LUT4")
    (INSTANCE fifo_0_not00011)
      (DELAY
        (ABSOLUTE
          (PORT ADR0 ( 1427 ))
          (PORT ADR1 ( 1078 ))
          (PORT ADR2 ( 792 ))
          (PORT ADR3 ( 557 ))
          (IOPATH ADR0 O ( 239 ))
          (IOPATH ADR1 O ( 239 ))
          (IOPATH ADR2 O ( 239 ))
          (IOPATH ADR3 O ( 239 ))
        )
      )
  )
  (CELL (CELLTYPE "X_LUT4")
    (INSTANCE fifo_3_not00011)
      (DELAY
        (ABSOLUTE
          (PORT ADR0 ( 1003 ))
          (PORT ADR1 ( 944 ))
          (PORT ADR2 ( 1283 ))
          (PORT ADR3 ( 596 ))
          (IOPATH ADR0 O ( 239 ))
          (IOPATH ADR1 O ( 239 ))
          (IOPATH ADR2 O ( 239 ))
          (IOPATH ADR3 O ( 239 ))
        )
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_0_not0001_XUSED)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 310 ))
        )
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_0_not0001_YUSED)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 310 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_6_2)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1703 ))
          (PORT CE ( 1394 ))
          (PORT CLK ( 339 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_6_3_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2330 )( 2330 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_5_6)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1840 ))
          (PORT CE ( 975 ))
          (PORT CLK ( 335 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_5_7_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 3329 )( 3329 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_6_4)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1852 ))
          (PORT CE ( 1148 ))
          (PORT CLK ( 338 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_6_5_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2897 )( 2897 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_5_8)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1359 ))
          (PORT CE ( 832 ))
          (PORT CLK ( 346 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_5_8_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2805 )( 2805 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_7_0)
      (DELAY
        (ABSOLUTE
          (PORT I ( 2432 ))
          (PORT CE ( 1646 ))
          (PORT CLK ( 411 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_7_1_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2892 )( 2892 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_6_6)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1413 ))
          (PORT CE ( 1267 ))
          (PORT CLK ( 334 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_6_7_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2230 )( 2230 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_7_2)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1679 ))
          (PORT CE ( 1426 ))
          (PORT CLK ( 338 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (negedge I) (posedge CLK) (478)(0))
        (SETUPHOLD (posedge CE) (posedge CLK) (885)(0))
        (SETUPHOLD (negedge CE) (posedge CLK) (885)(0))
        (PERIOD (posedge CLK) (3612))
        (RECOVERY (negedge RST) (posedge CLK) (520))
        (WIDTH (posedge RST) (3010))
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_7_3_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2353 )( 2353 ))
        )
      )
  )
  (CELL (CELLTYPE "X_LUT4")
    (INSTANCE fifo_1_not00011)
      (DELAY
        (ABSOLUTE
          (PORT ADR0 ( 1814 ))
          (PORT ADR1 ( 1043 ))
          (PORT ADR2 ( 948 ))
          (PORT ADR3 ( 517 ))
          (IOPATH ADR0 O ( 239 ))
          (IOPATH ADR1 O ( 239 ))
          (IOPATH ADR2 O ( 239 ))
          (IOPATH ADR3 O ( 239 ))
        )
      )
  )
  (CELL (CELLTYPE "X_LUT4")
    (INSTANCE fifo_4_not00011)
      (DELAY
        (ABSOLUTE
          (PORT ADR0 ( 1823 ))
          (PORT ADR1 ( 1062 ))
          (PORT ADR2 ( 849 ))
          (PORT ADR3 ( 1136 ))
          (IOPATH ADR0 O ( 239 ))
          (IOPATH ADR1 O ( 239 ))
          (IOPATH ADR2 O ( 239 ))
          (IOPATH ADR3 O ( 239 ))
        )
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_1_not0001_XUSED)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 310 ))
        )
      )
  )
  (CELL (CELLTYPE "X_BUF")
    (INSTANCE fifo_1_not0001_YUSED)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 310 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_6_8)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1649 ))
          (PORT CE ( 1645 ))
          (PORT CLK ( 316 ))
          (IOPATH CLK O ( 1085 )