用户工具

站点工具


vlsi:pt:noise-calculation-report

PrimeTime Noise Calculation Reports

****************************************
Report : noise_calculation
	-from eti_top_0/wl_stream2axi/rresp_buffer/fifo_1/wl_sdpram0/wl_sdpram144x64_b0r0/RR144X64_211HS_0/uld_eti_ctrl_18_c5/U406/Z
	-to eti_top_0/wl_stream2axi/rresp_buffer/fifo_1/wl_sdpram0/wl_sdpram144x64_b0r0/RR144X64_211HS_0/uld_eti_ctrl_18_c5/RR144X64_211HS_bussed_core/DIB2
Design : uld_eti
Version: D-2009.12-SP3-1
Date   : Wed Jul  6 11:28:16 2011
****************************************

Units:  1ns  1pF  1kOhm

Analysis mode                        : report_at_source
Region                               : above_low
Victim driver pin                    : eti_top_0/wl_stream2axi/rresp_buffer/fifo_1/wl_sdpram0/wl_sdpram144x64_b0r0/RR144X64_211HS_0/uld_eti_ctrl_18_c5/U406/Z
Victim driver library cell           : g65xp/BUFM8XPV1
Victim net                           : eti_top_0/wl_stream2axi/rresp_buffer/fifo_1/wl_sdpram0/wl_sdpram144x64_b0r0/RR144X64_211HS_0/uld_eti_ctrl_18_c5/net57
Victim driver effective capacitance  : 0.06637 

Steady state resistance source       : library set iv curve
Driver voltage swing                 : 0.90000 
Noise derate height offset           : 0.00000 
Noise derate height scale factor     : 1.00000 
Noise derate width scale factor      : 1.00000 
Noise effort threshold               : 0.20000 
Noise composite aggressor mode       : disabled

Noise calculations:

Attributes:
  A - aggressor is active
  C - aggressor is a composite aggressor
  D - aggressor is analyzed with detailed engine
  E - aggressor is screened due to user exclusion
  G - aggressor is analyzed with gate level simulator
  I - aggressor has infinite window
  L - aggressor is screened due to logical correlation
  S - aggressor is screened due to small bump height
  X - aggressor is screened due to aggressor exclusion

                        Height    Width     Area      Aggressor Attributes
---------------------------------------------------------------------------
 Aggressors:
 uld_top_0/cdd_top_0/cdu_top_u0/cdu_axi_intf_u0/wl_dpram_3_pha_par1_768x56b/wl_dpram768x56_b2r0/RR768X56_222HS_0/u_xuld_eti_rr768x56_222hs_bussed_assembly/mcell/MBIST_DATA_LOGIC/n844
                        0.06196   0.17020   0.00527   A I
 eti_top_0/wl_axi2stream/slave_ctrl/w_buffer/wl_sdpram0/wl_sdpram256x64_b0r0/RR256X64_211HS_0/n1533
                        0.04518   0.17935   0.00405   A I
 uld_top_0/cdd_top_0/cdu_top_u0/cdu_axi_intf_u0/n242
                        0.31498   0.07456   0.01174   A I D
 eti_top_0/wl_stream2axi/wcmd_buffer/fifo_1/wl_sdpram0/wl_sdpram144x64_b0r0/RR144X64_211HS_0/n1195
                        0.03770   0.16900   0.00319   A I
 uld_top_0/cdd_top_0/cdu_top_u0/cdu_axi_intf_u0/wl_dpram_3_pha_par1_768x56b/wl_dpram768x56_b2r0/RR768X56_222HS_0/u_xuld_eti_rr768x56_222hs_bussed_assembly/mcell/MBIST_DATA_LOGIC/n825
                        0.03288   0.15877   0.00261   A I
 uld_top_0/cdd_top_0/cdu_top_u0/cdu_axi_intf_u0/wl_dpram_3_pha_par1_768x56b/wl_dpram768x56_b2r0/RR768X56_222HS_0/u_xuld_eti_rr768x56_222hs_bussed_assembly/mcell/MBIST_DATA_LOGIC/n1151
                        0.02153   0.14743   0.00159   A I
 Total:                 0.51424   0.11065   0.02845 

Noise slack calculation:

Constraint type: user margin

                        Height              Area
---------------------------------------------------------------------
 Required               0.44800             (0.44800  *  0.11065)  -
 Actual                 0.51424             (0.51424  *  0.11065)
---------------------------------------------------------------------
 Slack                  -0.06624            -0.00733

Analysis mode                        : report_at_source
Region                               : below_high
Victim driver pin                    : eti_top_0/wl_stream2axi/rresp_buffer/fifo_1/wl_sdpram0/wl_sdpram144x64_b0r0/RR144X64_211HS_0/uld_eti_ctrl_18_c5/U406/Z
Victim driver library cell           : g65xp/BUFM8XPV1
Victim net                           : eti_top_0/wl_stream2axi/rresp_buffer/fifo_1/wl_sdpram0/wl_sdpram144x64_b0r0/RR144X64_211HS_0/uld_eti_ctrl_18_c5/net57
Victim driver effective capacitance  : 0.06637 

Steady state resistance source       : library set iv curve
Driver voltage swing                 : 0.90000 
Noise derate height offset           : 0.00000 
Noise derate height scale factor     : 1.00000 
Noise derate width scale factor      : 1.00000 
Noise effort threshold               : 0.20000 
Noise composite aggressor mode       : disabled

Noise calculations:

Attributes:
  A - aggressor is active
  C - aggressor is a composite aggressor
  D - aggressor is analyzed with detailed engine
  E - aggressor is screened due to user exclusion
  G - aggressor is analyzed with gate level simulator
  I - aggressor has infinite window
  L - aggressor is screened due to logical correlation
  S - aggressor is screened due to small bump height
  X - aggressor is screened due to aggressor exclusion

                        Height    Width     Area      Aggressor Attributes
---------------------------------------------------------------------------
 Aggressors:
 uld_top_0/cdd_top_0/cdu_top_u0/cdu_axi_intf_u0/wl_dpram_3_pha_par1_768x56b/wl_dpram768x56_b2r0/RR768X56_222HS_0/u_xuld_eti_rr768x56_222hs_bussed_assembly/mcell/MBIST_DATA_LOGIC/n844
                        0.06728   0.18471   0.00621   A I
 eti_top_0/wl_axi2stream/slave_ctrl/w_buffer/wl_sdpram0/wl_sdpram256x64_b0r0/RR256X64_211HS_0/n1533
                        0.05470   0.17503   0.00479   A I
 uld_top_0/cdd_top_0/cdu_top_u0/cdu_axi_intf_u0/n242
                        0.31501   0.08422   0.01327   A I D
 eti_top_0/wl_stream2axi/wcmd_buffer/fifo_1/wl_sdpram0/wl_sdpram144x64_b0r0/RR144X64_211HS_0/n1195
                        0.04068   0.18424   0.00375   A I
 uld_top_0/cdd_top_0/cdu_top_u0/cdu_axi_intf_u0/wl_dpram_3_pha_par1_768x56b/wl_dpram768x56_b2r0/RR768X56_222HS_0/u_xuld_eti_rr768x56_222hs_bussed_assembly/mcell/MBIST_DATA_LOGIC/n825
                        0.03558   0.17206   0.00306   A I
 uld_top_0/cdd_top_0/cdu_top_u0/cdu_axi_intf_u0/wl_dpram_3_pha_par1_768x56b/wl_dpram768x56_b2r0/RR768X56_222HS_0/u_xuld_eti_rr768x56_222hs_bussed_assembly/mcell/MBIST_DATA_LOGIC/n1151
                        0.02389   0.15538   0.00186   A I
 Total:                 0.53714   0.12261   0.03293 

Noise slack calculation:

Constraint type: user margin

                        Height              Area
---------------------------------------------------------------------
 Required               0.44800             (0.44800  *  0.12261)  -
 Actual                 0.53714             (0.53714  *  0.12261)
---------------------------------------------------------------------
 Slack                  -0.08914            -0.01093
1
vlsi/pt/noise-calculation-report.txt · 最后更改: 2011/07/06 04:40 (外部编辑)