Add top pll v3
diff --git a/mag/prescaler_23.mag b/mag/prescaler_23.mag
new file mode 100644
index 0000000..7c01995
--- /dev/null
+++ b/mag/prescaler_23.mag
@@ -0,0 +1,401 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1624885207
+<< nwell >>
+rect 2984 1980 4570 3060
+rect 10382 2725 10536 3068
+rect 10538 3058 10785 3068
+rect 10538 2297 11706 3058
+rect 10538 1971 11703 2297
+rect 2984 1080 4332 1086
+rect 2984 0 4570 1080
+rect 10538 -16 11752 1078
+<< viali >>
+rect 3558 1893 3663 1959
+rect 3746 1919 3812 1981
+rect 3965 1900 4033 1999
+rect 11047 1885 11181 1959
+rect 11235 1919 11301 1985
+rect 11454 1882 11540 2005
+rect 3558 1285 3704 1333
+rect 3752 1083 3818 1149
+rect 10931 1062 10993 1132
+rect 11207 1109 11273 1175
+rect 11330 1112 11373 1241
+rect 3921 910 4000 1023
+rect 11597 843 11677 1035
+<< metal1 >>
+rect 2980 2904 4612 3038
+rect 7527 2904 9159 3038
+rect 10503 2904 11506 3038
+rect 3537 2359 4017 2904
+rect 11026 2361 11506 2904
+rect 1979 2127 1989 2185
+rect 2252 2127 2262 2185
+rect 6543 2128 6553 2185
+rect 6817 2128 6827 2185
+rect 9526 2126 9536 2180
+rect 9796 2126 9806 2180
+rect 3959 1999 4039 2011
+rect 11448 2005 11546 2017
+rect 3734 1981 3824 1987
+rect 3546 1959 3675 1965
+rect 3546 1929 3558 1959
+rect 3663 1929 3675 1959
+rect 3538 1785 3548 1929
+rect 3675 1785 3685 1929
+rect 3734 1919 3746 1981
+rect 3812 1919 3824 1981
+rect 3734 1913 3824 1919
+rect 3955 1900 3965 1999
+rect 4033 1900 4043 1999
+rect 11223 1985 11313 1991
+rect 11035 1959 11193 1965
+rect 3959 1888 4039 1900
+rect 11035 1885 11047 1959
+rect 11181 1885 11193 1959
+rect 11223 1919 11235 1985
+rect 11301 1919 11313 1985
+rect 11223 1913 11313 1919
+rect 11035 1879 11193 1885
+rect 11444 1882 11454 2005
+rect 11540 1882 11550 2005
+rect 11448 1870 11546 1882
+rect 2949 1370 4573 1698
+rect 10503 1370 11694 1698
+rect 3546 1333 3716 1339
+rect 3546 1279 3558 1333
+rect 3704 1279 3716 1333
+rect 11324 1252 11379 1253
+rect 11324 1241 11350 1252
+rect 11195 1175 11285 1181
+rect 3740 1149 3830 1155
+rect 3740 1083 3752 1149
+rect 3818 1083 3830 1149
+rect 10925 1132 10999 1144
+rect 3740 1077 3830 1083
+rect 10901 1046 10911 1132
+rect 10996 1046 11006 1132
+rect 11195 1109 11207 1175
+rect 11273 1109 11285 1175
+rect 11195 1103 11285 1109
+rect 11324 1112 11330 1241
+rect 11421 1113 11431 1252
+rect 11373 1112 11379 1113
+rect 11324 1100 11379 1112
+rect 11591 1038 11683 1047
+rect 11591 1035 11727 1038
+rect 3915 1023 4006 1035
+rect 1969 888 1979 942
+rect 2245 888 2255 942
+rect 3911 910 3921 1023
+rect 4000 910 4010 1023
+rect 3915 898 4006 910
+rect 6527 888 6537 941
+rect 6850 888 6860 941
+rect 9524 883 9534 937
+rect 9798 883 9808 937
+rect 11591 843 11597 1035
+rect 11677 843 11727 1035
+rect 11591 831 11683 843
+rect 3537 164 4017 715
+rect 11053 164 11533 736
+rect 2959 30 4591 164
+rect 7544 30 9176 164
+rect 10496 30 11533 164
+<< via1 >>
+rect 1989 2127 2252 2185
+rect 6553 2128 6817 2185
+rect 9536 2126 9796 2180
+rect 3548 1893 3558 1929
+rect 3558 1893 3663 1929
+rect 3663 1893 3675 1929
+rect 3548 1785 3675 1893
+rect 3746 1919 3812 1981
+rect 3965 1900 4033 1999
+rect 11047 1885 11181 1959
+rect 11235 1919 11301 1985
+rect 11454 1882 11540 2005
+rect 3558 1285 3704 1333
+rect 3558 1279 3704 1285
+rect 11350 1241 11421 1252
+rect 3752 1083 3818 1149
+rect 10911 1062 10931 1132
+rect 10931 1062 10993 1132
+rect 10993 1062 10996 1132
+rect 10911 1046 10996 1062
+rect 11207 1109 11273 1175
+rect 11350 1113 11373 1241
+rect 11373 1113 11421 1241
+rect 1979 888 2245 942
+rect 3921 910 4000 1023
+rect 6537 888 6850 941
+rect 9534 883 9798 937
+<< metal2 >>
+rect 1989 2191 2256 2201
+rect 1989 2117 2256 2127
+rect 6548 2190 6820 2200
+rect 6548 2111 6820 2121
+rect 9528 2191 9800 2201
+rect 9528 2111 9800 2121
+rect 3060 2010 3812 2076
+rect 2763 1597 2823 1607
+rect 3060 1565 3126 2010
+rect 3746 1981 3812 2010
+rect 3548 1929 3675 1939
+rect 3746 1909 3812 1919
+rect 3965 1999 4033 2009
+rect 11454 2005 11540 2015
+rect 11235 1985 11301 1995
+rect 11047 1959 11181 1969
+rect 3675 1785 3676 1798
+rect 3548 1775 3676 1785
+rect 3549 1694 3676 1775
+rect 2823 1499 3126 1565
+rect 3256 1567 3676 1694
+rect 2763 1459 2823 1469
+rect 1970 943 2254 953
+rect 1970 861 2254 871
+rect 3256 -184 3383 1567
+rect 3558 1333 3704 1343
+rect 3558 1269 3704 1279
+rect 3580 403 3640 1269
+rect 3752 1150 3818 1159
+rect 3965 1150 4033 1900
+rect 10651 1888 11047 1954
+rect 10317 1608 10377 1618
+rect 4817 1573 4877 1583
+rect 4263 1566 4817 1567
+rect 3752 1149 4033 1150
+rect 3818 1083 4033 1149
+rect 3752 1082 4033 1083
+rect 4226 1501 4817 1566
+rect 3752 1073 3818 1082
+rect 3921 1023 4000 1033
+rect 4226 1004 4292 1501
+rect 4817 1483 4877 1493
+rect 10651 1580 10717 1888
+rect 11047 1875 11181 1885
+rect 11235 1715 11301 1919
+rect 11454 1872 11540 1882
+rect 10377 1514 10717 1580
+rect 10773 1649 11301 1715
+rect 10317 1470 10377 1480
+rect 4000 938 4292 1004
+rect 6537 950 6850 951
+rect 6523 941 6876 950
+rect 6523 940 6537 941
+rect 6850 940 6876 941
+rect 3921 900 4000 910
+rect 6523 859 6876 869
+rect 9523 946 9823 956
+rect 9523 859 9823 869
+rect 3559 393 3664 403
+rect 3559 224 3664 234
+rect 3580 -26 3640 224
+rect 7123 -26 7183 810
+rect 7800 476 7866 800
+rect 10773 476 10839 1649
+rect 11461 1539 11527 1872
+rect 11207 1479 11527 1539
+rect 11207 1175 11273 1479
+rect 11350 1252 11421 1262
+rect 10894 1140 11014 1150
+rect 11207 1099 11273 1109
+rect 11339 1113 11350 1248
+rect 11339 1103 11421 1113
+rect 10894 954 11014 964
+rect 7800 410 10839 476
+rect 11339 -26 11399 1103
+rect 3580 -86 11399 -26
+rect 3256 -196 11063 -184
+rect 3256 -306 10863 -196
+rect 11050 -306 11063 -196
+rect 3256 -311 11063 -306
+rect 10863 -316 11050 -311
+<< via2 >>
+rect 1989 2185 2256 2191
+rect 1989 2127 2252 2185
+rect 2252 2127 2256 2185
+rect 6548 2185 6820 2190
+rect 6548 2128 6553 2185
+rect 6553 2128 6817 2185
+rect 6817 2128 6820 2185
+rect 6548 2121 6820 2128
+rect 9528 2180 9800 2191
+rect 9528 2126 9536 2180
+rect 9536 2126 9796 2180
+rect 9796 2126 9800 2180
+rect 9528 2121 9800 2126
+rect 2763 1469 2823 1597
+rect 1970 942 2254 943
+rect 1970 888 1979 942
+rect 1979 888 2245 942
+rect 2245 888 2254 942
+rect 1970 871 2254 888
+rect 4817 1493 4877 1573
+rect 10317 1480 10377 1608
+rect 6523 888 6537 940
+rect 6537 888 6850 940
+rect 6850 888 6876 940
+rect 6523 869 6876 888
+rect 9523 937 9823 946
+rect 9523 883 9534 937
+rect 9534 883 9798 937
+rect 9798 883 9823 937
+rect 9523 869 9823 883
+rect 3559 234 3664 393
+rect 10894 1132 11014 1140
+rect 10894 1046 10911 1132
+rect 10911 1046 10996 1132
+rect 10996 1046 11014 1132
+rect 10894 964 11014 1046
+rect 10863 -306 11050 -196
+<< metal3 >>
+rect 247 804 307 2264
+rect 1978 2123 1988 2199
+rect 2270 2123 2280 2199
+rect 6538 2190 6830 2195
+rect 1979 2122 2266 2123
+rect 6538 2121 6548 2190
+rect 6820 2121 6830 2190
+rect 6538 2116 6830 2121
+rect 9486 2112 9496 2202
+rect 9810 2112 9820 2202
+rect 10307 1608 10387 1613
+rect 2753 1597 2833 1602
+rect 2753 1469 2763 1597
+rect 2823 1469 2833 1597
+rect 4807 1573 4887 1578
+rect 4807 1493 4817 1573
+rect 4877 1493 4887 1573
+rect 7379 1504 7861 1564
+rect 4807 1488 4887 1493
+rect 10307 1480 10317 1608
+rect 10377 1480 10387 1608
+rect 10307 1475 10387 1480
+rect 2753 1464 2833 1469
+rect 10893 1145 11020 1154
+rect 10884 1140 11024 1145
+rect 10884 964 10894 1140
+rect 11014 964 11024 1140
+rect 10884 959 11024 964
+rect 1951 861 1961 951
+rect 2267 861 2277 951
+rect 9513 946 9833 951
+rect 6513 940 6886 945
+rect 6513 869 6523 940
+rect 6876 869 6886 940
+rect 6513 864 6886 869
+rect 9513 869 9523 946
+rect 9823 869 9833 946
+rect 9513 864 9833 869
+rect 238 388 311 789
+rect 3549 393 3674 398
+rect 224 267 234 388
+rect 311 267 321 388
+rect 238 263 311 267
+rect 3549 234 3559 393
+rect 3664 234 3674 393
+rect 3549 229 3674 234
+rect 10893 -184 11020 959
+rect 10892 -191 11020 -184
+rect 10853 -196 11060 -191
+rect 10853 -306 10863 -196
+rect 11050 -306 11060 -196
+rect 10853 -311 11060 -306
+<< via3 >>
+rect 1988 2191 2270 2199
+rect 1988 2127 1989 2191
+rect 1989 2127 2256 2191
+rect 2256 2127 2270 2191
+rect 1988 2123 2270 2127
+rect 6548 2121 6820 2190
+rect 9496 2191 9810 2202
+rect 9496 2121 9528 2191
+rect 9528 2121 9800 2191
+rect 9800 2121 9810 2191
+rect 9496 2112 9810 2121
+rect 1961 943 2267 951
+rect 1961 871 1970 943
+rect 1970 871 2254 943
+rect 2254 871 2267 943
+rect 1961 861 2267 871
+rect 6523 869 6876 940
+rect 9523 869 9823 946
+rect 234 267 311 388
+rect 3559 234 3664 393
+<< metal4 >>
+rect 1983 2203 9735 2204
+rect 1983 2202 9811 2203
+rect 1983 2199 9496 2202
+rect 1983 2123 1988 2199
+rect 2270 2190 9496 2199
+rect 2270 2123 6548 2190
+rect 1983 2121 6548 2123
+rect 6820 2121 9496 2190
+rect 1983 2112 9496 2121
+rect 9810 2112 9811 2202
+rect 9495 2111 9811 2112
+rect 1960 951 9783 952
+rect 1960 861 1961 951
+rect 2267 947 9783 951
+rect 2267 946 9824 947
+rect 2267 940 9523 946
+rect 2267 869 6523 940
+rect 6876 869 9523 940
+rect 9823 869 9824 946
+rect 2267 868 9824 869
+rect 2267 861 9783 868
+rect 1960 860 9783 861
+rect 3558 393 3665 394
+rect 233 388 312 389
+rect 233 267 234 388
+rect 311 377 312 388
+rect 3558 377 3559 393
+rect 311 267 3559 377
+rect 233 266 312 267
+rect 3558 234 3559 267
+rect 3664 234 3665 393
+rect 3558 233 3665 234
+use sky130_fd_sc_hs__mux2_1 sky130_fd_sc_hs__mux2_1_0
+timestamp 1623986409
+transform 1 0 10830 0 -1 1419
+box -38 -49 902 715
+use sky130_fd_sc_hs__or2_1 sky130_fd_sc_hs__or2_1_0
+timestamp 1624049879
+transform 1 0 3537 0 1 1649
+box -38 -49 518 715
+use sky130_fd_sc_hs__or2_1 sky130_fd_sc_hs__or2_1_1
+timestamp 1624049879
+transform 1 0 11026 0 1 1649
+box -38 -49 518 715
+use sky130_fd_sc_hs__and2_1 sky130_fd_sc_hs__and2_1_0
+timestamp 1624049879
+transform 1 0 3537 0 -1 1419
+box -38 -49 518 715
+use DFlipFlop DFlipFlop_0
+timestamp 1624885207
+transform 1 0 1244 0 1 0
+box -1244 0 1740 3068
+use DFlipFlop DFlipFlop_1
+timestamp 1624885207
+transform 1 0 5814 0 1 0
+box -1244 0 1740 3068
+use DFlipFlop DFlipFlop_2
+timestamp 1624885207
+transform 1 0 8798 0 -1 3068
+box -1244 0 1740 3068
+<< labels >>
+rlabel metal4 2267 860 6523 952 1 CLK
+rlabel metal4 2270 2112 6548 2204 1 nCLK
+rlabel metal1 11677 843 11727 1038 1 CLK_23
+rlabel metal1 2980 2904 4612 3038 1 vdd
+rlabel metal1 2949 1370 4573 1698 1 vss
+rlabel metal4 311 267 3559 377 1 nCLK_23
+rlabel metal2 3256 -311 10863 -184 1 MC
+rlabel metal2 3060 1499 3126 2076 1 Q1
+rlabel metal3 7379 1504 7861 1564 1 Q2
+rlabel metal2 10651 1888 11047 1954 1 Q2_d
+<< end >>