--- read_sdf with timing checks --- PASS: read_sdf --- report_checks with SDF --- Startpoint: d1 (input port clocked by clk) Endpoint: reg3 (rising edge-triggered flip-flop clocked by clk) Path Group: clk Path Type: max Delay Time Description --------------------------------------------------------- 0.00 0.00 clock clk (rise edge) 0.00 0.00 clock network delay (ideal) 0.00 0.00 v input external delay 0.00 0.00 v d1 (in) 0.14 0.14 v buf1/Z (BUF_X1) 0.16 0.30 v and1/ZN (AND2_X1) 0.13 0.43 v or1/ZN (OR2_X1) 0.13 0.56 ^ nand1/ZN (NAND2_X1) 0.13 0.69 v nor1/ZN (NOR2_X1) 0.03 0.72 v reg3/D (DFF_X1) 0.72 data arrival time 10.00 10.00 clock clk (rise edge) 0.00 10.00 clock network delay (ideal) 0.00 10.00 clock reconvergence pessimism 10.00 ^ reg3/CK (DFF_X1) -0.03 9.97 library setup time 9.97 data required time --------------------------------------------------------- 9.97 data required time -0.72 data arrival time --------------------------------------------------------- 9.25 slack (MET) PASS: report_checks Startpoint: en (input port clocked by clk) Endpoint: reg2 (rising edge-triggered flip-flop clocked by clk) Path Group: clk Path Type: min Delay Time Description --------------------------------------------------------- 0.00 0.00 clock clk (rise edge) 0.00 0.00 clock network delay (ideal) 0.00 0.00 ^ input external delay 0.00 0.00 ^ en (in) 0.02 0.02 v nand1/ZN (NAND2_X1) 0.01 0.03 v reg2/D (DFF_X1) 0.03 data arrival time 0.00 0.00 clock clk (rise edge) 0.00 0.00 clock network delay (ideal) 0.00 0.00 clock reconvergence pessimism 0.00 ^ reg2/CK (DFF_X1) 0.05 0.05 library hold time 0.05 data required time --------------------------------------------------------- 0.05 data required time -0.03 data arrival time --------------------------------------------------------- -0.02 slack (VIOLATED) PASS: min path Startpoint: d1 (input port clocked by clk) Endpoint: reg3 (rising edge-triggered flip-flop clocked by clk) Path Group: clk Path Type: max Delay Time Description --------------------------------------------------------- 0.00 0.00 clock clk (rise edge) 0.00 0.00 clock network delay (ideal) 0.00 0.00 v input external delay 0.00 0.00 v d1 (in) 0.14 0.14 v buf1/Z (BUF_X1) 0.16 0.30 v and1/ZN (AND2_X1) 0.13 0.43 v or1/ZN (OR2_X1) 0.13 0.56 ^ nand1/ZN (NAND2_X1) 0.13 0.69 v nor1/ZN (NOR2_X1) 0.03 0.72 v reg3/D (DFF_X1) 0.72 data arrival time 10.00 10.00 clock clk (rise edge) 0.00 10.00 clock network delay (ideal) 0.00 10.00 clock reconvergence pessimism 10.00 ^ reg3/CK (DFF_X1) -0.03 9.97 library setup time 9.97 data required time --------------------------------------------------------- 9.97 data required time -0.72 data arrival time --------------------------------------------------------- 9.25 slack (MET) PASS: max path Startpoint: d1 (input port clocked by clk) Endpoint: reg3 (rising edge-triggered flip-flop clocked by clk) Path Group: clk Path Type: max Delay Time Description --------------------------------------------------------- 0.00 0.00 clock clk (rise edge) 0.00 0.00 clock network delay (ideal) 0.00 0.00 v input external delay 0.00 0.00 v d1 (in) 0.14 0.14 v buf1/Z (BUF_X1) 0.16 0.30 v and1/ZN (AND2_X1) 0.13 0.43 v or1/ZN (OR2_X1) 0.13 0.56 ^ nand1/ZN (NAND2_X1) 0.13 0.69 v nor1/ZN (NOR2_X1) 0.03 0.72 v reg3/D (DFF_X1) 0.72 data arrival time 10.00 10.00 clock clk (rise edge) 0.00 10.00 clock network delay (ideal) 0.00 10.00 clock reconvergence pessimism 10.00 ^ reg3/CK (DFF_X1) -0.03 9.97 library setup time 9.97 data required time --------------------------------------------------------- 9.97 data required time -0.72 data arrival time --------------------------------------------------------- 9.25 slack (MET) PASS: full_clock No paths found. PASS: d1->q1 No paths found. PASS: d1->q2 No paths found. PASS: d1->q3 No paths found. PASS: d2->q1 No paths found. PASS: d2->q2 No paths found. PASS: en->q2 No paths found. PASS: en->q3 --- report_annotated_delay --- Not Delay type Total Annotated Annotated ---------------------------------------------------------------- cell arcs 17 17 0 internal net arcs 11 11 0 net arcs from primary inputs 6 0 6 net arcs to primary outputs 3 0 3 ---------------------------------------------------------------- 37 28 9 PASS: annotated delay all Not Delay type Total Annotated Annotated ---------------------------------------------------------------- cell arcs 17 17 0 ---------------------------------------------------------------- 17 17 0 PASS: annotated delay -cell Not Delay type Total Annotated Annotated ---------------------------------------------------------------- internal net arcs 11 11 0 ---------------------------------------------------------------- 11 11 0 PASS: annotated delay -net Not Delay type Total Annotated Annotated ---------------------------------------------------------------- net arcs from primary inputs 6 0 6 ---------------------------------------------------------------- 6 0 6 PASS: annotated delay -from_in_ports Not Delay type Total Annotated Annotated ---------------------------------------------------------------- net arcs to primary outputs 3 0 3 ---------------------------------------------------------------- 3 0 3 PASS: annotated delay -to_out_ports Not Delay type Total Annotated Annotated ---------------------------------------------------------------- cell arcs 17 17 0 internal net arcs 11 11 0 ---------------------------------------------------------------- 28 28 0 PASS: annotated delay -cell -net Not Delay type Total Annotated Annotated ---------------------------------------------------------------- cell arcs 17 17 0 internal net arcs 11 11 0 net arcs from primary inputs 6 0 6 net arcs to primary outputs 3 0 3 ---------------------------------------------------------------- 37 28 9 Annotated Arcs delay and1/A1 -> and1/ZN delay and1/A2 -> and1/ZN internal net and1/ZN -> or1/A2 delay buf1/A -> buf1/Z internal net buf1/Z -> inv1/A internal net buf1/Z -> and1/A1 delay buf2/A -> buf2/Z internal net buf2/Z -> and1/A2 delay inv1/A -> inv1/ZN internal net inv1/ZN -> or1/A1 internal net inv1/ZN -> nor1/A1 delay nand1/A1 -> nand1/ZN delay nand1/A2 -> nand1/ZN internal net nand1/ZN -> nor1/A2 internal net nand1/ZN -> reg2/D delay nor1/A1 -> nor1/ZN delay nor1/A2 -> nor1/ZN internal net nor1/ZN -> reg3/D delay or1/A1 -> or1/ZN delay or1/A2 -> or1/ZN internal net or1/ZN -> nand1/A1 internal net or1/ZN -> reg1/D delay reg1/CK -> reg1/QN delay reg1/CK -> reg1/Q delay reg2/CK -> reg2/QN delay reg2/CK -> reg2/Q delay reg3/CK -> reg3/QN delay reg3/CK -> reg3/Q PASS: annotated delay -report_annotated Not Delay type Total Annotated Annotated ---------------------------------------------------------------- cell arcs 17 17 0 internal net arcs 11 11 0 net arcs from primary inputs 6 0 6 net arcs to primary outputs 3 0 3 ---------------------------------------------------------------- 37 28 9 Unannotated Arcs primary input net clk -> reg1/CK primary input net clk -> reg2/CK primary input net clk -> reg3/CK primary input net d1 -> buf1/A primary input net d2 -> buf2/A primary input net en -> nand1/A2 primary output net reg1/Q -> q1 primary output net reg2/Q -> q2 primary output net reg3/Q -> q3 PASS: annotated delay -report_unannotated Not Delay type Total Annotated Annotated ---------------------------------------------------------------- cell arcs 17 17 0 constant arcs 0 0 internal net arcs 11 11 0 constant arcs 0 0 net arcs from primary inputs 6 0 6 constant arcs 0 0 net arcs to primary outputs 3 0 3 constant arcs 0 0 ---------------------------------------------------------------- 37 28 9 PASS: annotated delay -constant_arcs Not Delay type Total Annotated Annotated ---------------------------------------------------------------- cell arcs 17 17 0 internal net arcs 11 11 0 net arcs from primary inputs 6 0 6 net arcs to primary outputs 3 0 3 ---------------------------------------------------------------- 37 28 9 PASS: annotated delay -max_lines 3 --- report_annotated_check --- Not Check type Total Annotated Annotated ---------------------------------------------------------------- cell setup arcs 3 3 0 ---------------------------------------------------------------- 3 3 0 PASS: check -setup Not Check type Total Annotated Annotated ---------------------------------------------------------------- cell hold arcs 3 3 0 ---------------------------------------------------------------- 3 3 0 PASS: check -hold Not Check type Total Annotated Annotated ---------------------------------------------------------------- ---------------------------------------------------------------- 0 0 0 PASS: check -recovery Not Check type Total Annotated Annotated ---------------------------------------------------------------- ---------------------------------------------------------------- 0 0 0 PASS: check -removal Not Check type Total Annotated Annotated ---------------------------------------------------------------- cell width arcs 3 3 0 ---------------------------------------------------------------- 3 3 0 PASS: check -width Not Check type Total Annotated Annotated ---------------------------------------------------------------- ---------------------------------------------------------------- 0 0 0 PASS: check -period Not Check type Total Annotated Annotated ---------------------------------------------------------------- ---------------------------------------------------------------- 0 0 0 PASS: check -nochange Not Check type Total Annotated Annotated ---------------------------------------------------------------- ---------------------------------------------------------------- 0 0 0 PASS: check -max_skew Not Check type Total Annotated Annotated ---------------------------------------------------------------- cell setup arcs 3 3 0 cell hold arcs 3 3 0 ---------------------------------------------------------------- 6 6 0 PASS: check -setup -hold Not Check type Total Annotated Annotated ---------------------------------------------------------------- cell setup arcs 3 3 0 cell hold arcs 3 3 0 ---------------------------------------------------------------- 6 6 0 PASS: check setup/hold/recovery/removal Not Check type Total Annotated Annotated ---------------------------------------------------------------- cell width arcs 3 3 0 ---------------------------------------------------------------- 3 3 0 PASS: check width/period Not Check type Total Annotated Annotated ---------------------------------------------------------------- cell setup arcs 3 3 0 cell hold arcs 3 3 0 cell width arcs 3 3 0 ---------------------------------------------------------------- 9 9 0 PASS: check all Not Check type Total Annotated Annotated ---------------------------------------------------------------- cell setup arcs 3 3 0 cell hold arcs 3 3 0 cell width arcs 3 3 0 ---------------------------------------------------------------- 9 9 0 Annotated Arcs width reg1/CK -> reg1/CK setup reg1/CK -> reg1/D hold reg1/CK -> reg1/D width reg2/CK -> reg2/CK setup reg2/CK -> reg2/D hold reg2/CK -> reg2/D width reg3/CK -> reg3/CK setup reg3/CK -> reg3/D hold reg3/CK -> reg3/D PASS: check -report_annotated Not Check type Total Annotated Annotated ---------------------------------------------------------------- cell setup arcs 3 3 0 cell hold arcs 3 3 0 cell width arcs 3 3 0 ---------------------------------------------------------------- 9 9 0 Unannotated Arcs PASS: check -report_unannotated Not Check type Total Annotated Annotated ---------------------------------------------------------------- cell setup arcs 3 3 0 constant arcs 0 0 cell hold arcs 3 3 0 constant arcs 0 0 cell width arcs 3 3 0 constant arcs 0 0 ---------------------------------------------------------------- 9 9 0 PASS: check -constant_arcs Not Check type Total Annotated Annotated ---------------------------------------------------------------- cell setup arcs 3 3 0 cell hold arcs 3 3 0 cell width arcs 3 3 0 ---------------------------------------------------------------- 9 9 0 PASS: check -max_lines 2 --- write_sdf --- PASS: write_sdf default PASS: write_sdf -digits 6 PASS: write_sdf -include_typ PASS: write_sdf -divider . PASS: write_sdf -no_timestamp PASS: write_sdf -no_version PASS: write_sdf combined --- re-read SDF --- Startpoint: d1 (input port clocked by clk) Endpoint: reg3 (rising edge-triggered flip-flop clocked by clk) Path Group: clk Path Type: max Delay Time Description --------------------------------------------------------- 0.00 0.00 clock clk (rise edge) 0.00 0.00 clock network delay (ideal) 0.00 0.00 v input external delay 0.00 0.00 v d1 (in) 0.14 0.14 v buf1/Z (BUF_X1) 0.16 0.30 v and1/ZN (AND2_X1) 0.13 0.43 v or1/ZN (OR2_X1) 0.13 0.56 ^ nand1/ZN (NAND2_X1) 0.13 0.69 v nor1/ZN (NOR2_X1) 0.03 0.72 v reg3/D (DFF_X1) 0.72 data arrival time 10.00 10.00 clock clk (rise edge) 0.00 10.00 clock network delay (ideal) 0.00 10.00 clock reconvergence pessimism 10.00 ^ reg3/CK (DFF_X1) -0.03 9.97 library setup time 9.97 data required time --------------------------------------------------------- 9.97 data required time -0.72 data arrival time --------------------------------------------------------- 9.25 slack (MET) PASS: re-read SDF ALL PASSED