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 11:35:02 2002

File: ch_fifo.dly

 The 20 Worst Net Delays are:
-------------------------------
| Max Delay (ns)  | Netname   |
-------------------------------
   2.992           
pn_correlator_inst_pn_correlation_inst_msub__n0078_inst_cy_41
   2.525            pn_correlator_inst_pn_correlation_inst_sr_data<6>
   2.521            pn_correlator_inst_pn_correlation_inst_sr_data<5>
   2.519            pn_correlator_inst_pn_correlation_inst_sr_data<3>
   2.499            reset_ibuf
   2.419            pn_correlator_inst_pn_correlation_inst_sr_data<2>
   2.193            pn_correlator_inst_pn_correlation_fsm_inst_wr
   2.163            pn_correlator_inst_pn_correlation_inst_sr_data<7>
   2.112            fifo_status_inst_pn_lock_rd_clk_i
   2.040            pn_correlator_inst_pn_correlation_inst_sr_data<0>
   2.022            pn_correlator_inst_pn_correlation_inst_sr_data<1>
   1.988            pn_correlator_inst_pn_correlation_inst_sr_data<4>
   1.887            rd_data_1_obuf
   1.844            fifo_status_inst_wr_dtct<0>
   1.785            fifo_status_inst_rd_addr_i<4>
   1.780            fifo_status_inst_wr_addr_i_19
   1.775            pn_correlator_inst_pn_correlation_fsm_inst_n14351
   1.750            fifo_status_inst_wr_addr_i_17
   1.746            fifo_status_inst_wr_addr_i_20
   1.746            fifo_status_inst_wr_addr_i_16
---------------------------------

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

GLOBAL_LOGIC0
   pn_correlator_inst_pn_correlation_inst__n0071<4>.Y
         0.499  fifo_2048x8_inst_fifo_bram.DIPA0
         0.499  fifo_2048x8_inst_fifo_bram.DIB0
         0.464  fifo_2048x8_inst_fifo_bram.DIB1
         0.464  fifo_2048x8_inst_fifo_bram.DIB2
         0.765  fifo_2048x8_inst_fifo_bram.DIB3
         0.498  fifo_2048x8_inst_fifo_bram.DIB4
         0.499  fifo_2048x8_inst_fifo_bram.DIPB0

GLOBAL_LOGIC0_0
   pn_correlator_inst_pn_correlation_inst__n0078<6>.Y
         0.480  fifo_2048x8_inst_fifo_bram.DIB5
         0.480  fifo_2048x8_inst_fifo_bram.DIB6
         0.459  fifo_2048x8_inst_fifo_bram.DIB7

GLOBAL_LOGIC1
   PWR_VCC_0.VCCOUT
         0.053  pn_correlator_inst_pn_correlation_fsm_inst__n0031<1>.BX

GLOBAL_LOGIC1_0
   PWR_VCC_1.VCCOUT
         0.070  pn_correlator_inst_pn_correlation_fsm_inst_cs<0>.BY

GLOBAL_LOGIC1_1
   PWR_VCC_2.VCCOUT
         0.172  inst_mydcm_clk2x_bufg_inst.S
         0.172  inst_mydcm_clk0_bufg_inst.S

GLOBAL_LOGIC1_10
   PWR_VCC_11.VCCOUT
         0.172  fifo_2048x8_inst_fifo_bram.ENA

GLOBAL_LOGIC1_11
   PWR_VCC_12.VCCOUT
         0.172  fifo_2048x8_inst_fifo_bram.WEB

GLOBAL_LOGIC1_12
   PWR_VCC_13.VCCOUT
         0.053  pn_correlator_inst_pn_correlation_inst__n0101<33>.BX
         0.053  n17196.BX

GLOBAL_LOGIC1_13
   PWR_VCC_14.VCCOUT
         0.053 
pn_correlator_inst_pn_correlation_inst_madd__n0049_inst_lut2_75.BX

GLOBAL_LOGIC1_14
   PWR_VCC_15.VCCOUT
         0.053  pn_correlator_inst_pn_correlation_inst__n0071<1>.BX

GLOBAL_LOGIC1_15
   PWR_VCC_16.VCCOUT
         0.053  fifo_status_inst__n0023<0>.BX

GLOBAL_LOGIC1_16
   PWR_VCC_17.VCCOUT
         0.053  pn_correlator_inst_pn_correlation_inst__n0107<1>.BX

GLOBAL_LOGIC1_17
   PWR_VCC_18.VCCOUT
         0.053 
pn_correlator_inst_pn_correlation_inst_madd__n0059_inst_lut2_75.BX

GLOBAL_LOGIC1_18
   PWR_VCC_19.VCCOUT
         0.053 
pn_correlator_inst_pn_correlation_inst_madd__n0038_inst_lut2_43.BX

GLOBAL_LOGIC1_2
   PWR_VCC_3.VCCOUT
         0.053  pn_correlator_inst_pn_correlation_inst_madd__n0054_inst_cy_99.BX

GLOBAL_LOGIC1_3
   PWR_VCC_4.VCCOUT
         0.053  pn_correlator_inst_pn_correlation_inst__n0106<33>.BX

GLOBAL_LOGIC1_4
   PWR_VCC_5.VCCOUT
         0.053  fifo_status_inst_wr_addr_i_11.BX

GLOBAL_LOGIC1_5
   PWR_VCC_6.VCCOUT
         0.053  pn_correlator_inst_pn_correlation_inst__n0104<33>.BX

GLOBAL_LOGIC1_6
   PWR_VCC_7.VCCOUT
         0.053  pn_correlator_inst_pn_correlation_inst__n0110<33>.BX

GLOBAL_LOGIC1_7
   PWR_VCC_8.VCCOUT
         0.053 
pn_correlator_inst_pn_correlation_inst_madd__n0037_inst_lut2_43.BX
         0.053 
pn_correlator_inst_pn_correlation_inst_madd__n0060_inst_lut2_75.BX

GLOBAL_LOGIC1_8
   PWR_VCC_9.VCCOUT
         0.053  pn_correlator_inst_pn_correlation_inst__n0078<0>.BX
         0.053  pn_correlator_inst_pn_correlation_inst__n0073<1>.BX

GLOBAL_LOGIC1_9
   PWR_VCC_10.VCCOUT
         0.115  inst_mydcm_dcm_inst.DSSEN
         0.151  inst_mydcm_dcm_inst.PSCLK
         0.115  inst_mydcm_dcm_inst.PSEN
         0.115  inst_mydcm_dcm_inst.PSINCDEC
         0.115  inst_mydcm_dcm_inst.RST

choice101
   pn_correlator_inst_pn_correlation_fsm_inst_wr.Y
         0.035  pn_correlator_inst_pn_correlation_fsm_inst_wr.F3

choice106
   choice106.X
         0.578  pn_correlator_inst_pn_correlation_fsm_inst_pn_acq_i.F1

choice109
   choice109.X
         1.109  pn_correlator_inst_pn_correlation_fsm_inst_pn_acq_i.F2

choice116
   choice116.X
         0.287  pn_correlator_inst_pn_correlation_fsm_inst_pn_acq_i.G3

choice127
   choice106.Y
         0.515  choice116.G2
         0.978  pn_correlator_inst_pn_correlation_fsm_inst__n0050.F3

choice139
   choice140.Y
         0.492  choice140.F2

choice140
   choice140.X
         0.677  choice116.G4
         0.638  pn_correlator_inst_pn_correlation_fsm_inst__n0050.F4

choice157
   choice157.X
         0.430  fifo_status_inst__n0018.G2

choice160
   choice160.X
         0.041  fifo_status_inst__n0018.G4

choice170
   choice170.X
         0.286  choice181.G1

choice181
   choice181.X
         0.632  choice198.G3

choice196
   choice196.X
         0.252  choice198.F4

choice198
   choice198.X
         0.180  pn_correlator_inst_pn_correlation_inst_pn_fnd.G2

choice209
   choice209.X
         1.213  pn_correlator_inst_pn_correlation_inst_pn_fnd.G1

choice222
   choice222.X
         0.357  pn_correlator_inst_pn_correlation_inst_pn_fnd.G4

choice94
   choice109.Y
         0.613  pn_correlator_inst_pn_correlation_fsm_inst_wr.F4

fifo_status_inst__n0010<0>
   fifo_status_inst_wr_dtct<1>.Y
         0.001  fifo_status_inst_wr_dtct<1>.DY

fifo_status_inst__n0010<1>
   fifo_status_inst_wr_dtct<1>.X
         0.001  fifo_status_inst_wr_dtct<1>.DX

fifo_status_inst__n0010<2>
   fifo_status_inst_wr_dtct<3>.Y
         0.001  fifo_status_inst_wr_dtct<3>.DY

fifo_status_inst__n0010<3>
   fifo_status_inst_wr_dtct<3>.X
         0.001  fifo_status_inst_wr_dtct<3>.DX

fifo_status_inst__n0012<0>
   fifo_status_inst_flag_cnt<1>.Y
         0.001  fifo_status_inst_flag_cnt<1>.DY

fifo_status_inst__n0012<10>
   fifo_status_inst_flag_cnt<10>.X
         0.001  fifo_status_inst_flag_cnt<10>.DX

fifo_status_inst__n0012<1>
   fifo_status_inst_flag_cnt<1>.X
         0.001  fifo_status_inst_flag_cnt<1>.DX

fifo_status_inst__n0012<2>
   fifo_status_inst_flag_cnt<3>.Y
         0.001  fifo_status_inst_flag_cnt<3>.DY

fifo_status_inst__n0012<3>
   fifo_status_inst_flag_cnt<3>.X
         0.001  fifo_status_inst_flag_cnt<3>.DX

fifo_status_inst__n0012<4>
   fifo_status_inst_flag_cnt<5>.Y
         0.001  fifo_status_inst_flag_cnt<5>.DY

fifo_status_inst__n0012<5>
   fifo_status_inst_flag_cnt<5>.X
         0.001  fifo_status_inst_flag_cnt<5>.DX

fifo_status_inst__n0012<6>
   fifo_status_inst_flag_cnt<7>.Y
         0.001  fifo_status_inst_flag_cnt<7>.DY

fifo_status_inst__n0012<7>
   fifo_status_inst_flag_cnt<7>.X
         0.001  fifo_status_inst_flag_cnt<7>.DX

fifo_status_inst__n0012<8>
   fifo_status_inst_flag_cnt<9>.Y
         0.001  fifo_status_inst_flag_cnt<9>.DY

fifo_status_inst__n0012<9>
   fifo_status_inst_flag_cnt<9>.X
         0.001  fifo_status_inst_flag_cnt<9>.DX

fifo_status_inst__n0018
   fifo_status_inst__n0018.X
         0.489  full.O1

fifo_status_inst__n0021
   fifo_status_inst__n0021.X
         0.790  empty.O1

fifo_status_inst__n0022
   fifo_status_inst__n0022.X
         0.783  almost_empty.O1

fifo_status_inst__n0023<0>
   fifo_status_inst__n0023<0>.X
         0.606  fifo_status_inst_flag_cnt<1>.G1

fifo_status_inst__n0023<10>
   fifo_status_inst__n0023<10>.X
         0.331  fifo_status_inst_flag_cnt<10>.F4

fifo_status_inst__n0023<1>
   fifo_status_inst__n0023<0>.Y
         0.510  fifo_status_inst_flag_cnt<1>.F2

fifo_status_inst__n0023<2>
   fifo_status_inst__n0023<2>.X
         0.481  fifo_status_inst_flag_cnt<3>.G2

fifo_status_inst__n0023<3>
   fifo_status_inst__n0023<2>.Y
         0.355  fifo_status_inst_flag_cnt<3>.F3

fifo_status_inst__n0023<4>
   fifo_status_inst__n0023<4>.X
         0.305  fifo_status_inst_flag_cnt<5>.G3

fifo_status_inst__n0023<5>
   fifo_status_inst__n0023<4>.Y
         0.355  fifo_status_inst_flag_cnt<5>.F3

fifo_status_inst__n0023<6>
   fifo_status_inst__n0023<6>.X
         0.305  fifo_status_inst_flag_cnt<7>.G3

fifo_status_inst__n0023<7>
   fifo_status_inst__n0023<6>.Y
         0.529  fifo_status_inst_flag_cnt<7>.F2

fifo_status_inst__n0023<8>
   fifo_status_inst__n0023<8>.X
         0.305  fifo_status_inst_flag_cnt<9>.G3

fifo_status_inst__n0023<9>
   fifo_status_inst__n0023<8>.Y
         0.355  fifo_status_inst_flag_cnt<9>.F3

fifo_status_inst__n0031
   fifo_status_inst_flag_cnt<10>.Y
         1.217  fifo_status_inst_rd_addr_i<0>.CE
         1.217  fifo_status_inst_rd_addr_i<2>.CE
         0.914  fifo_status_inst_rd_addr_i<4>.CE
         0.914  fifo_status_inst_rd_addr_i<6>.CE
         1.217  fifo_status_inst_rd_addr_i<8>.CE
         1.217  fifo_status_inst_rd_addr_i<10>.CE

fifo_status_inst__n0033
   fifo_status_inst__n0033.Y
         0.751  fifo_status_inst_wr_addr_i_11.CE
         0.751  fifo_status_inst_wr_addr_i_12.CE
         0.738  fifo_status_inst_wr_addr_i_14.CE
         0.738  fifo_status_inst_wr_addr_i_16.CE
         0.716  fifo_status_inst_wr_addr_i_18.CE
         0.716  fifo_status_inst_wr_addr_i_20.CE