| ############################################################################### |
| # Timing Constraints |
| ############################################################################### |
| create_clock -name core_clk -period 10.0000 [get_ports {core_clk}] |
| create_clock -name wb_clk -period 10.0000 [get_ports {wb_clk}] |
| |
| create_generated_clock -name dcache_mem_clk0 -add -source [get_ports {core_clk}] -master_clock [get_clocks core_clk] -divide_by 1 -comment {dcache mem clock0} [get_ports dcache_mem_clk0] |
| create_generated_clock -name dcache_mem_clk1 -add -source [get_ports {core_clk}] -master_clock [get_clocks core_clk] -divide_by 1 -comment {dcache mem clock1} [get_ports dcache_mem_clk1] |
| create_generated_clock -name icache_mem_clk0 -add -source [get_ports {core_clk}] -master_clock [get_clocks core_clk] -divide_by 1 -comment {icache mem clock0} [get_ports icache_mem_clk0] |
| create_generated_clock -name icache_mem_clk1 -add -source [get_ports {core_clk}] -master_clock [get_clocks core_clk] -divide_by 1 -comment {icache mem clock1} [get_ports icache_mem_clk1] |
| |
| set_clock_transition 0.1500 [all_clocks] |
| set_clock_uncertainty -setup 0.5000 [all_clocks] |
| set_clock_uncertainty -hold 0.2500 [all_clocks] |
| |
| set ::env(SYNTH_TIMING_DERATE) 0.05 |
| puts "\[INFO\]: Setting timing derate to: [expr {$::env(SYNTH_TIMING_DERATE) * 10}] %" |
| set_timing_derate -early [expr {1-$::env(SYNTH_TIMING_DERATE)}] |
| set_timing_derate -late [expr {1+$::env(SYNTH_TIMING_DERATE)}] |
| |
| set_clock_groups -name async_clock -asynchronous \ |
| -group [get_clocks {core_clk dcache_mem_clk0 dcache_mem_clk1 icache_mem_clk0 icache_mem_clk1}]\ |
| -group [get_clocks {wb_clk}] -comment {Async Clock group} |
| |
| # Set case analysis |
| set_case_analysis 0 [get_ports {cfg_ccska[3]}] |
| set_case_analysis 0 [get_ports {cfg_ccska[2]}] |
| set_case_analysis 0 [get_ports {cfg_ccska[1]}] |
| set_case_analysis 0 [get_ports {cfg_ccska[0]}] |
| |
| set_case_analysis 0 [get_ports {cfg_wcska[3]}] |
| set_case_analysis 0 [get_ports {cfg_wcska[2]}] |
| set_case_analysis 0 [get_ports {cfg_wcska[1]}] |
| set_case_analysis 0 [get_ports {cfg_wcska[0]}] |
| |
| #Assumed config are static |
| set_false_path -from [get_ports {cfg_dcache_force_flush}] |
| set_false_path -from [get_ports {cfg_dcache_pfet_dis}] |
| set_false_path -from [get_ports {cfg_icache_ntag_pfet_dis}] |
| set_false_path -from [get_ports {cfg_icache_pfet_dis}] |
| |
| |
| set_false_path -from [get_ports {cfg_sram_lphase[1]}] |
| set_false_path -from [get_ports {cfg_sram_lphase[0]}] |
| |
| #All reset has reset synchronization logic inside block ?? |
| set_false_path -from [get_ports {cpu_intf_rst_n}] |
| set_false_path -from [get_ports {pwrup_rst_n}] |
| set_false_path -from [get_ports {wb_rst_n}] |
| |
| #CORE Instruction Memory Interface |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_req_ack}] |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_rdata[*]}] |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_resp[*]}] |
| |
| set_output_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_req_ack}] |
| set_output_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_rdata[*]}] |
| set_output_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_resp[*]}] |
| |
| |
| set_input_delay -min 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_req}] |
| set_input_delay -min 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_cmd}] |
| set_input_delay -min 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_req}] |
| set_input_delay -min 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_addr[*]}] |
| set_input_delay -min 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_bl[*]}] |
| set_input_delay -min 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_width[*]}] |
| |
| set_input_delay -max 8.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_req}] |
| set_input_delay -max 8.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_cmd}] |
| set_input_delay -max 8.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_req}] |
| set_input_delay -max 8.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_addr[*]}] |
| set_input_delay -max 8.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_bl[*]}] |
| set_input_delay -max 8.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_icache_width[*]}] |
| |
| #Wishbone ICACHE I/F |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_stb_o}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_adr_o[*]}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_we_o}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_sel_o[*]}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_bl_o[*]}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_bry_o}] |
| |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_stb_o}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_adr_o[*]}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_we_o}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_sel_o[*]}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_bl_o[*]}] |
| set_output_delay -max 2.5000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_bry_o}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_dat_i[*]}] |
| set_input_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_ack_i}] |
| set_input_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_lack_i}] |
| set_input_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_err_i}] |
| |
| set_input_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_dat_i[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_ack_i}] |
| set_input_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_lack_i}] |
| set_input_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_icache_err_i}] |
| |
| |
| |
| # CORE Data Memory Interface |
| |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_req_ack}] |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_rdata[*]}] |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_resp[*]}] |
| |
| set_output_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_req_ack}] |
| set_output_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_rdata[*]}] |
| set_output_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_resp[*]}] |
| |
| set_input_delay -min 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_req}] |
| set_input_delay -min 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_cmd}] |
| set_input_delay -min 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_width[*]}] |
| set_input_delay -min 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_addr[*]}] |
| set_input_delay -min 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_wdata[*]}] |
| |
| set_input_delay -max 8.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_req}] |
| set_input_delay -max 8.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_cmd}] |
| set_input_delay -max 8.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_width[*]}] |
| set_input_delay -max 8.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_addr[*]}] |
| set_input_delay -max 8.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dcache_wdata[*]}] |
| |
| |
| # Data memory interface from router to WB bridge |
| |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_req_ack}] |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_rdata[*]}] |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_resp[*]}] |
| |
| set_output_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_req_ack}] |
| set_output_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_rdata[*]}] |
| set_output_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_resp[*]}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_req}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_cmd}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_width[*]}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_addr[*]}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_wdata[*]}] |
| |
| set_input_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_req}] |
| set_input_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_cmd}] |
| set_input_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_width[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_addr[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core_dmem_wdata[*]}] |
| |
| #WB Data Memory Interface |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_stb_o}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_adr_o[*]}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_we_o}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_dat_o[*]}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_sel_o[*]}] |
| |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_stb_o}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_adr_o[*]}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_we_o}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_dat_o[*]}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_sel_o[*]}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_dat_i[*]}] |
| set_input_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_ack_i}] |
| set_input_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_err_i}] |
| |
| set_input_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_dat_i[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_ack_i}] |
| set_input_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wbd_dmem_err_i}] |
| |
| |
| ## ICACHE PORT-0 SRAM Memory I/F |
| set_output_delay -min -1.0000 -clock [get_clocks {icache_mem_clk0}] -add_delay [get_ports {icache_mem_csb0}] |
| set_output_delay -min -1.0000 -clock [get_clocks {icache_mem_clk0}] -add_delay [get_ports {icache_mem_web0}] |
| set_output_delay -min -1.0000 -clock [get_clocks {icache_mem_clk0}] -add_delay [get_ports {icache_mem_addr0[*]}] |
| set_output_delay -min -1.0000 -clock [get_clocks {icache_mem_clk0}] -add_delay [get_ports {icache_mem_wmask0[*]}] |
| set_output_delay -min -1.0000 -clock [get_clocks {icache_mem_clk0}] -add_delay [get_ports {icache_mem_din0[*]}] |
| |
| set_output_delay -max 1.0000 -clock [get_clocks {icache_mem_clk0}] -add_delay [get_ports {icache_mem_csb0}] |
| set_output_delay -max 1.0000 -clock [get_clocks {icache_mem_clk0}] -add_delay [get_ports {icache_mem_web0}] |
| set_output_delay -max 1.0000 -clock [get_clocks {icache_mem_clk0}] -add_delay [get_ports {icache_mem_addr0[*]}] |
| set_output_delay -max 1.0000 -clock [get_clocks {icache_mem_clk0}] -add_delay [get_ports {icache_mem_wmask0[*]}] |
| set_output_delay -max 1.0000 -clock [get_clocks {icache_mem_clk0}] -add_delay [get_ports {icache_mem_din0[*]}] |
| |
| ## ICACHE PORT-1 SRAM Memory I/F |
| set_output_delay -min -1.0000 -clock [get_clocks {icache_mem_clk1}] -add_delay [get_ports {icache_mem_csb1}] |
| set_output_delay -min -1.0000 -clock [get_clocks {icache_mem_clk1}] -add_delay [get_ports {icache_mem_addr1[*]}] |
| set_output_delay -max 3.5000 -clock [get_clocks {icache_mem_clk1}] -add_delay [get_ports {icache_mem_csb1}] |
| set_output_delay -max 3.5000 -clock [get_clocks {icache_mem_clk1}] -add_delay [get_ports {icache_mem_addr1[*]}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {icache_mem_clk1}] -add_delay [get_ports {icache_mem_dout1[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {icache_mem_clk1}] -add_delay [get_ports {icache_mem_dout1[*]}] |
| |
| |
| # Wishbone DCACHE I/F |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_cyc_o}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_stb_o}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_adr_o[*]}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_we_o}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_dat_o[*]}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_bl_o[*]}] |
| set_output_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_bry_o}] |
| |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_cyc_o}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_stb_o}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_adr_o[*]}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_we_o}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_dat_o[*]}] |
| set_output_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_bl_o[*]}] |
| set_output_delay -max 5.5000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_bry_o}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_dat_i[*]}] |
| set_input_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_ack_i}] |
| set_input_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_lack_i}] |
| set_input_delay -min 2.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_err_i}] |
| |
| set_input_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_dat_i[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_ack_i}] |
| set_input_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_lack_i}] |
| set_input_delay -max 6.0000 -clock [get_clocks {wb_clk}] -add_delay [get_ports {wb_dcache_err_i}] |
| |
| ## DCACHE PORT-0 SRAM I/F |
| set_output_delay -min -1.2500 -clock [get_clocks {dcache_mem_clk0}] -add_delay [get_ports {dcache_mem_csb0}] |
| set_output_delay -min -1.0000 -clock [get_clocks {dcache_mem_clk0}] -add_delay [get_ports {dcache_mem_web0}] |
| set_output_delay -min -1.0000 -clock [get_clocks {dcache_mem_clk0}] -add_delay [get_ports {dcache_mem_addr0[*]}] |
| set_output_delay -min -1.0000 -clock [get_clocks {dcache_mem_clk0}] -add_delay [get_ports {dcache_mem_wmask0[*]}] |
| set_output_delay -min -1.0000 -clock [get_clocks {dcache_mem_clk0}] -add_delay [get_ports {dcache_mem_din0[*]}] |
| |
| set_output_delay -max 1.0000 -clock [get_clocks {dcache_mem_clk0}] -add_delay [get_ports {dcache_mem_csb0}] |
| set_output_delay -max 1.0000 -clock [get_clocks {dcache_mem_clk0}] -add_delay [get_ports {dcache_mem_web0}] |
| set_output_delay -max 1.0000 -clock [get_clocks {dcache_mem_clk0}] -add_delay [get_ports {dcache_mem_addr0[*]}] |
| set_output_delay -max 1.0000 -clock [get_clocks {dcache_mem_clk0}] -add_delay [get_ports {dcache_mem_wmask0[*]}] |
| set_output_delay -max 1.0000 -clock [get_clocks {dcache_mem_clk0}] -add_delay [get_ports {dcache_mem_din0[*]}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {dcache_mem_clk0}] -add_delay [get_ports {dcache_mem_dout0[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {dcache_mem_clk0}] -add_delay [get_ports {dcache_mem_dout0[*]}] |
| |
| |
| ## DCACHE PORT-1 SRAM I/F |
| set_output_delay -min -1.0000 -clock [get_clocks {dcache_mem_clk1}] -add_delay [get_ports {dcache_mem_csb1}] |
| set_output_delay -min -1.0000 -clock [get_clocks {dcache_mem_clk1}] -add_delay [get_ports {dcache_mem_addr1[*]}] |
| |
| set_output_delay -max 1.000 -clock [get_clocks {dcache_mem_clk1}] -add_delay [get_ports {dcache_mem_csb1}] |
| set_output_delay -max 1.000 -clock [get_clocks {dcache_mem_clk1}] -add_delay [get_ports {dcache_mem_addr1[*]}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {dcache_mem_clk1}] -add_delay [get_ports {dcache_mem_dout1[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {dcache_mem_clk1}] -add_delay [get_ports {dcache_mem_dout1[*]}] |
| |
| |
| ############################################################################### |
| # Environment |
| ############################################################################### |
| set_driving_cell -lib_cell sky130_fd_sc_hd__inv_8 -pin {Y} [all_inputs] |
| set cap_load 0.0334 |
| puts "\[INFO\]: Setting load to: $cap_load" |
| set_load $cap_load [all_outputs] |
| |
| set_max_transition 1.00 [current_design] |
| set_max_capacitance 0.2 [current_design] |
| set_max_fanout 10 [current_design] |
| ############################################################################### |
| # Design Rules |
| ############################################################################### |