ch_fifo.dly

it describe how to develop the field programmable gate array

Release 5.1i - Par F.22
Copyright (c) 1995-2002 Xilinx, Inc.  All rights reserved.

Thu Jul 11 16:52:05 2002

File: ch_fifo.dly

 The 20 Worst Net Delays are:
-------------------------------
| Max Delay (ns)  | Netname   |
-------------------------------
   4.430            reset_IBUF
   2.192            fifo_status_inst_wr_dtct<0>
   2.162            fifo_status_inst_wr_addr_17
   2.162            fifo_status_inst_wr_addr_12
   2.154            fifo_status_inst_wr_addr_16
   2.154            fifo_status_inst_wr_addr_20
   2.042            fifo_status_inst_wr_addr_14
   1.901            fifo_status_inst_pn_lock_rd_clk
   1.887            rd_data_1_OBUF
   1.855            fifo_status_inst_wr_addr_18
   1.787            fifo_status_inst_rd_addr<1>
   1.786            fifo_status_inst_wr_addr_15
   1.783            fifo_status_inst_wr_addr_11
   1.773            fifo_status_inst_wr_addr_19
   1.772            fifo_status_inst_rd_addr<9>
   1.760            fifo_status_inst_rd_addr<5>
   1.731            fifo_status_inst_rd_addr<3>
   1.728            pn_correlator_inst_pn_correlation_fsm_inst_N2950
   1.710            pn_correlator_inst_pn_correlation_fsm_inst_wr
   1.659            fifo_status_inst__n00111/O
---------------------------------

-------------------------------------------------------------------------------
                               Net Delays
-------------------------------------------------------------------------------

CHOICE0
   CHOICE0.X
         0.914  pn_correlator_inst_pn_correlation_fsm_inst_pn_acq.G1

CHOICE12
   CHOICE12.X
         0.532  pn_correlator_inst_pn_correlation_fsm_inst_wr.F1

CHOICE19
   pn_correlator_inst_pn_correlation_fsm_inst_wr.Y
         0.035  pn_correlator_inst_pn_correlation_fsm_inst_wr.F3

CHOICE24
   CHOICE37.Y
         0.615  pn_correlator_inst_pn_correlation_fsm_inst_pn_acq.G3

CHOICE27
   CHOICE12.Y
         0.430  pn_correlator_inst_pn_correlation_fsm_inst_pn_acq.G2

CHOICE37
   CHOICE37.X
         0.496  pn_correlator_inst_pn_correlation_fsm_inst_N2950.G2
         0.903  pn_correlator_inst_pn_correlation_fsm_inst_cs<3>.G1

CHOICE4
   pn_correlator_inst_pn_correlation_fsm_inst_cs<1>.Y
         0.671  pn_correlator_inst_pn_correlation_fsm_inst_pn_acq.BX
         0.024  pn_correlator_inst_pn_correlation_fsm_inst_cs<1>.F4

CHOICE50
   CHOICE50.X
         0.320  pn_correlator_inst_pn_correlation_fsm_inst_N2950.G3
         0.320  pn_correlator_inst_pn_correlation_fsm_inst_cs<3>.G3

CHOICE70
   N3936.Y
         0.499  fifo_status_inst_N1948.F1

GLOBAL_LOGIC0
   PWR_GND_0.Y
         0.499  fifo_2048x8_inst_FIFO_BRAM.DIB2
         0.499  fifo_2048x8_inst_FIFO_BRAM.DIB3
         0.499  fifo_2048x8_inst_FIFO_BRAM.DIB4
         0.466  fifo_2048x8_inst_FIFO_BRAM.DIB5
         0.466  fifo_2048x8_inst_FIFO_BRAM.DIB6
         0.499  fifo_2048x8_inst_FIFO_BRAM.DIB7

GLOBAL_LOGIC0_0
   fifo_status_inst_flag_wr_addr<3>.Y
         0.476  fifo_2048x8_inst_FIFO_BRAM.DIPA0
         0.476  fifo_2048x8_inst_FIFO_BRAM.DIB0
         0.476  fifo_2048x8_inst_FIFO_BRAM.DIB1
         0.476  fifo_2048x8_inst_FIFO_BRAM.DIPB0

GLOBAL_LOGIC1
   PWR_VCC_0.VCCOUT
         0.053  fifo_status_inst_wr_addr_11.BX

GLOBAL_LOGIC1_0
   PWR_VCC_1.VCCOUT
         0.172  fifo_2048x8_inst_FIFO_BRAM.WEB

GLOBAL_LOGIC1_1
   PWR_VCC_2.VCCOUT
         0.172  fifo_2048x8_inst_FIFO_BRAM.ENA

GLOBAL_LOGIC1_2
   PWR_VCC_3.VCCOUT
         0.115  MyDCM_inst_MyDCM_inst.DSSEN
         0.151  MyDCM_inst_MyDCM_inst.PSCLK
         0.115  MyDCM_inst_MyDCM_inst.PSEN
         0.115  MyDCM_inst_MyDCM_inst.PSINCDEC
         0.115  MyDCM_inst_MyDCM_inst.RST

GLOBAL_LOGIC1_3
   PWR_VCC_4.VCCOUT
         0.053  fifo_status_inst__n0016<0>.BX

GLOBAL_LOGIC1_4
   PWR_VCC_5.VCCOUT
         0.172  MyDCM_inst_CLK2X_BUFG_INST.S
         0.172  MyDCM_inst_CLK0_BUFG_INST.S

GLOBAL_LOGIC1_5
   PWR_VCC_6.VCCOUT
         0.070  pn_correlator_inst_pn_correlation_fsm_inst_cs<1>.BY

GLOBAL_LOGIC1_6
   PWR_VCC_7.VCCOUT
         0.053  pn_correlator_inst_pn_correlation_fsm_inst__n0005<1>.BX

MyDCM_inst_CLK0_BUF
   MyDCM_inst_MyDCM_inst.CLK0
         0.852  MyDCM_inst_CLK0_BUFG_INST.I0

MyDCM_inst_CLK2X_BUF
   MyDCM_inst_MyDCM_inst.CLK2X
         0.852  MyDCM_inst_CLK2X_BUFG_INST.I0

MyDCM_inst_CLKIN_IBUFG
   wr_clk_in.I
         0.798  MyDCM_inst_MyDCM_inst.CLKIN

N3936
   N3936.X
         0.320  fifo_status_inst__n0014.G3

fifo_status_inst_Ker19464/O
   fifo_status_inst_N1948.Y
         0.035  fifo_status_inst_N1948.F3

fifo_status_inst_Msub__n0016_inst_cy_25
   fifo_status_inst__n0016<0>.COUT
         0.000  fifo_status_inst__n0016<2>.CIN

fifo_status_inst_Msub__n0016_inst_cy_27
   fifo_status_inst__n0016<2>.COUT
         0.000  fifo_status_inst__n0016<4>.CIN

fifo_status_inst_Msub__n0016_inst_cy_29
   fifo_status_inst__n0016<4>.COUT
         0.000  fifo_status_inst__n0016<6>.CIN

fifo_status_inst_Msub__n0016_inst_cy_31
   fifo_status_inst__n0016<6>.COUT
         0.000  fifo_status_inst__n0016<8>.CIN

fifo_status_inst_Msub__n0016_inst_cy_33
   fifo_status_inst__n0016<8>.COUT
         0.000  fifo_status_inst__n0016<10>.CIN

fifo_status_inst_Msub__n0016_inst_lut2_10
   fifo_status_inst_rd_addr<10>.Y
         0.035  fifo_status_inst__n0016<10>.F3

fifo_status_inst_N1948
   fifo_status_inst_N1948.X
         0.799  fifo_status_inst__n00111/O.G2
         1.102  almost_full.O1

fifo_status_inst_N1953
   fifo_status_inst__n0014.Y
         0.024  fifo_status_inst__n0014.F4
         0.525  fifo_status_inst__n0015.F2

fifo_status_inst_N1958
   fifo_status_inst__n0015.Y
         0.289  fifo_status_inst__n0014.F3
         0.022  fifo_status_inst__n0015.F4

fifo_status_inst__n0003<0>
   fifo_status_inst_wr_dtct<1>.Y
         0.001  fifo_status_inst_wr_dtct<1>.DY

fifo_status_inst__n0003<1>
   fifo_status_inst_wr_dtct<1>.X
         0.001  fifo_status_inst_wr_dtct<1>.DX

fifo_status_inst__n0003<2>
   fifo_status_inst_wr_dtct<3>.Y
         0.001  fifo_status_inst_wr_dtct<3>.DY

fifo_status_inst__n0003<3>
   fifo_status_inst_wr_dtct<3>.X
         0.001  fifo_status_inst_wr_dtct<3>.DX

fifo_status_inst__n0005<0>
   fifo_status_inst_flag_cnt<1>.Y
         0.001  fifo_status_inst_flag_cnt<1>.DY

fifo_status_inst__n0005<10>1/O
   fifo_status_inst_flag_cnt<10>.Y
         0.001  fifo_status_inst_flag_cnt<10>.DY

fifo_status_inst__n0005<1>1/O
   fifo_status_inst_flag_cnt<1>.X
         0.001  fifo_status_inst_flag_cnt<1>.DX

fifo_status_inst__n0005<2>1/O
   fifo_status_inst_flag_cnt<3>.Y
         0.001  fifo_status_inst_flag_cnt<3>.DY

fifo_status_inst__n0005<3>1/O
   fifo_status_inst_flag_cnt<3>.X
         0.001  fifo_status_inst_flag_cnt<3>.DX

fifo_status_inst__n0005<4>1/O
   fifo_status_inst_flag_cnt<5>.Y
         0.001  fifo_status_inst_flag_cnt<5>.DY

fifo_status_inst__n0005<5>1/O
   fifo_status_inst_flag_cnt<5>.X
         0.001  fifo_status_inst_flag_cnt<5>.DX

fifo_status_inst__n0005<6>1/O
   fifo_status_inst_flag_cnt<7>.Y
         0.001  fifo_status_inst_flag_cnt<7>.DY

fifo_status_inst__n0005<7>1/O
   fifo_status_inst_flag_cnt<7>.X
         0.001  fifo_status_inst_flag_cnt<7>.DX

fifo_status_inst__n0005<8>1/O
   fifo_status_inst_flag_cnt<9>.Y
         0.001  fifo_status_inst_flag_cnt<9>.DY

fifo_status_inst__n0005<9>1/O
   fifo_status_inst_flag_cnt<9>.X
         0.001  fifo_status_inst_flag_cnt<9>.DX

fifo_status_inst__n00111/O
   fifo_status_inst__n00111/O.Y
         1.659  full.O1

fifo_status_inst__n0014
   fifo_status_inst__n0014.X
         1.374  empty.O1

fifo_status_inst__n0015
   fifo_status_inst__n0015.X
         1.085  almost_empty.O1

fifo_status_inst__n0016<0>
   fifo_status_inst__n0016<0>.X
         0.295  fifo_status_inst_flag_cnt<1>.G4

fifo_status_inst__n0016<10>
   fifo_status_inst__n0016<10>.X
         0.291  fifo_status_inst_flag_cnt<10>.G4

fifo_status_inst__n0016<1>
   fifo_status_inst__n0016<0>.Y
         0.463  fifo_status_inst_flag_cnt<1>.F2

fifo_status_inst__n0016<2>
   fifo_status_inst__n0016<2>.X
         0.817  fifo_status_inst_flag_cnt<3>.G2

fifo_status_inst__n0016<3>
   fifo_status_inst__n0016<2>.Y
         1.131  fifo_status_inst_flag_cnt<3>.F2

fifo_status_inst__n0016<4>
   fifo_status_inst__n0016<4>.X
         0.370  fifo_status_inst_flag_cnt<5>.G4

fifo_status_inst__n0016<5>
   fifo_status_inst__n0016<4>.Y
         0.885  fifo_status_inst_flag_cnt<5>.F1

fifo_status_inst__n0016<6>
   fifo_status_inst__n0016<6>.X
         1.178  fifo_status_inst_flag_cnt<7>.G1

fifo_status_inst__n0016<7>
   fifo_status_inst__n0016<6>.Y
         0.879  fifo_status_inst_flag_cnt<7>.F1

fifo_status_inst__n0016<8>
   fifo_status_inst__n0016<8>.X
         0.370  fifo_status_inst_flag_cnt<9>.G4

fifo_status_inst__n0016<9>
   fifo_status_inst__n0016<8>.Y
         0.364  fifo_status_inst_flag_cnt<9>.F3

fifo_status_inst__n0024
   fifo_status_inst_flag_cnt<10>.X
         0.628  fifo_status_inst_rd_addr<10>.CE
         0.923  fifo_status_inst_rd_addr<0>.CE
         0.923  fifo_status_inst_rd_addr<2>.CE
         1.229  fifo_status_inst_rd_addr<4>.CE
         1.229  fifo_status_inst_rd_addr<6>.CE
         0.628  fifo_status_inst_rd_addr<8>.CE

fifo_status_inst__n0026
   fifo_status_inst__n0026.Y
         0.914  fifo_status_inst_wr_addr_11.CE
         0.914  fifo_status_inst_wr_addr_12.CE
         1.217  fifo_status_inst_wr_addr_14.CE
         1.217  fifo_status_inst_wr_addr_16.CE
         1.208  fifo_status_inst_wr_addr_18.CE
         1.208  fifo_status_inst_wr_addr_20.CE