fifo89_timesim.sdf

在ISE环境下用VHDL写的8*9FIFO

          (IOPATH ADR0 O ( 239 ))
          (IOPATH ADR1 O ( 239 ))
          (IOPATH ADR2 O ( 239 ))
          (IOPATH ADR3 O ( 239 ))
        )
      )
  )
  (CELL (CELLTYPE "X_LUT4")
    (INSTANCE Mcount_rdptr_xor_0_11)
      (DELAY
        (ABSOLUTE
          (PORT ADR1 ( 1227 ))
          (PORT ADR2 ( 1385 ))
          (IOPATH ADR0 O ( 239 ))
          (IOPATH ADR1 O ( 239 ))
          (IOPATH ADR2 O ( 239 ))
          (IOPATH ADR3 O ( 239 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_1_0)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1518 ))
          (PORT CE ( 1163 ))
          (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_1_1_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2518 )( 2518 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_1_2)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1689 ))
          (PORT CE ( 1059 ))
          (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_1_3_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 1561 )( 1561 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_2_0)
      (DELAY
        (ABSOLUTE
          (PORT I ( 2253 ))
          (PORT CE ( 960 ))
          (PORT CLK ( 333 ))
          (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_2_1_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2801 )( 2801 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_1_4)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1631 ))
          (PORT CE ( 1458 ))
          (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_1_5_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2645 )( 2645 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_2_2)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1697 ))
          (PORT CE ( 842 ))
          (PORT CLK ( 333 ))
          (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_2_3_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2244 )( 2244 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_1_6)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1598 ))
          (PORT CE ( 1233 ))
          (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_1_7_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2691 )( 2691 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_3_0)
      (DELAY
        (ABSOLUTE
          (PORT I ( 2429 ))
          (PORT CE ( 1588 ))
          (PORT CLK ( 333 ))
          (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_3_1_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2723 )( 2723 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_2_4)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1939 ))
          (PORT CE ( 1032 ))
          (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_2_5_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2897 )( 2897 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_1_8)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1734 ))
          (PORT CE ( 768 ))
          (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_1_8_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2047 )( 2047 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_3_2)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1426 ))
          (PORT CE ( 1550 ))
          (PORT CLK ( 333 ))
          (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_3_3_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2244 )( 2244 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_2_6)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1493 ))
          (PORT CE ( 844 ))
          (PORT CLK ( 337 ))
          (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_2_7_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2307 )( 2307 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_3_4)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1137 ))
          (PORT CE ( 1381 ))
          (PORT CLK ( 337 ))
          (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_3_5_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2307 )( 2307 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_2_8)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1381 ))
          (PORT CE ( 957 ))
          (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_2_8_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2641 )( 2641 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_4_0)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1681 ))
          (PORT CE ( 969 ))
          (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_4_1_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2518 )( 2518 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_3_6)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1336 ))
          (PORT CE ( 1831 ))
          (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_3_7_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2771 )( 2771 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_4_2)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1590 ))
          (PORT CE ( 968 ))
          (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_3_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2510 )( 2510 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_5_0)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1287 ))
          (PORT CE ( 1021 ))
          (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_5_1_FFY_RSTOR)
      (DELAY
        (ABSOLUTE
          (IOPATH I O ( 2500 )( 2500 ))
        )
      )
  )
  (CELL (CELLTYPE "X_FF")
    (INSTANCE fifo_3_8)
      (DELAY
        (ABSOLUTE
          (PORT I ( 1979 ))
          (PORT CE ( 1519 ))
          (PORT CLK ( 345 ))
          (IOPATH CLK O ( 1085 )( 1085 ))
          (IOPATH SET O ( 0 )( 0 ))
          (IOPATH RST O ( 828 )( 828 ))
        )
      )
      (TIMINGCHECK
        (SETUPHOLD (posedge I) (posedge CLK) (478)(0))