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Main Board Mezzanine Characteristics

Jared Boone edited this page Jan 14, 2014 · 1 revision

Propagation Delay

Between the FPGA and main board mezzanine connector (main board revision 20140113), the trace+via delays are calculated (using Jared's KiCAD Helper) to be:

Bank B

                   len    min+   max-    len      min+     max-    via
             D38:  94 ps   0 ps  82 ps  13.9 mm   0.0 mm  11.4 mm   2
              D2:  95 ps   1 ps  81 ps  16.0 mm   2.1 mm   9.3 mm   1
             D10:  96 ps   2 ps  80 ps  16.2 mm   2.3 mm   9.1 mm   1
              D4:  96 ps   2 ps  80 ps  16.2 mm   2.3 mm   9.1 mm   1
              D8:  96 ps   2 ps  80 ps  16.2 mm   2.3 mm   9.1 mm   1
             D14:  98 ps   4 ps  78 ps  16.6 mm   2.7 mm   8.7 mm   1
             D16:  99 ps   5 ps  76 ps  16.8 mm   2.9 mm   8.5 mm   1
             D22: 100 ps   5 ps  76 ps  16.9 mm   2.9 mm   8.5 mm   1
             D28: 101 ps   7 ps  75 ps  17.1 mm   3.2 mm   8.2 mm   1
             D12: 103 ps   9 ps  73 ps  17.4 mm   3.5 mm   7.9 mm   1
              D6: 103 ps   9 ps  72 ps  17.5 mm   3.6 mm   7.8 mm   1
             D20: 104 ps  10 ps  72 ps  17.6 mm   3.7 mm   7.7 mm   1
             D30: 104 ps  10 ps  72 ps  17.6 mm   3.7 mm   7.7 mm   1
             D26: 105 ps  11 ps  70 ps  17.8 mm   3.9 mm   7.5 mm   1
             D32: 105 ps  11 ps  70 ps  17.9 mm   3.9 mm   7.5 mm   1
             D36: 110 ps  15 ps  66 ps  15.9 mm   2.0 mm   9.4 mm   2
             D42: 111 ps  17 ps  65 ps  16.5 mm   2.6 mm   8.8 mm   2
             D18: 111 ps  17 ps  64 ps  18.9 mm   5.0 mm   6.4 mm   1
             D50: 112 ps  18 ps  64 ps  16.1 mm   2.2 mm   9.2 mm   2
              D3: 117 ps  23 ps  59 ps  19.8 mm   5.9 mm   5.5 mm   1
             D33: 117 ps  23 ps  59 ps  19.8 mm   5.9 mm   5.5 mm   1
              D7: 117 ps  23 ps  59 ps  19.8 mm   5.9 mm   5.5 mm   1
             D29: 118 ps  24 ps  58 ps  20.0 mm   6.1 mm   5.3 mm   1
             D39: 118 ps  24 ps  58 ps  20.0 mm   6.1 mm   5.3 mm   1
             D19: 118 ps  24 ps  58 ps  20.0 mm   6.1 mm   5.3 mm   1
             D11: 118 ps  24 ps  58 ps  20.0 mm   6.1 mm   5.3 mm   1
             D15: 118 ps  24 ps  58 ps  20.0 mm   6.1 mm   5.3 mm   1
             D23: 119 ps  25 ps  57 ps  20.2 mm   6.3 mm   5.1 mm   1
             D40: 120 ps  26 ps  55 ps  17.7 mm   3.8 mm   7.6 mm   2
              D0: 122 ps  28 ps  54 ps  20.7 mm   6.8 mm   4.6 mm   1
              D1: 124 ps  30 ps  52 ps  21.0 mm   7.1 mm   4.3 mm   1
              D5: 124 ps  30 ps  52 ps  21.0 mm   7.1 mm   4.3 mm   1
             D31: 124 ps  30 ps  52 ps  21.0 mm   7.1 mm   4.3 mm   1
             D37: 125 ps  31 ps  51 ps  21.2 mm   7.3 mm   4.1 mm   1
             D13: 125 ps  31 ps  51 ps  21.2 mm   7.3 mm   4.1 mm   1
             D17: 125 ps  31 ps  51 ps  21.2 mm   7.3 mm   4.1 mm   1
             D27: 125 ps  31 ps  51 ps  21.2 mm   7.3 mm   4.1 mm   1
             D21: 126 ps  32 ps  49 ps  21.4 mm   7.5 mm   3.9 mm   1
              D9: 126 ps  32 ps  49 ps  21.4 mm   7.5 mm   3.9 mm   1
             D46: 133 ps  39 ps  43 ps  19.4 mm   5.5 mm   6.0 mm   2
             D44: 138 ps  44 ps  37 ps  20.6 mm   6.7 mm   4.8 mm   2
             D34: 141 ps  47 ps  35 ps  20.1 mm   6.2 mm   5.2 mm   2
             D48: 143 ps  49 ps  33 ps  20.6 mm   6.7 mm   4.8 mm   2
             D24: 144 ps  50 ps  32 ps  20.6 mm   6.7 mm   4.7 mm   2
             D25: 151 ps  57 ps  25 ps  21.8 mm   7.8 mm   3.6 mm   2
             D41: 151 ps  57 ps  25 ps  21.8 mm   7.8 mm   3.6 mm   2
             D51: 161 ps  67 ps  15 ps  23.0 mm   9.1 mm   2.4 mm   2
             D35: 161 ps  67 ps  15 ps  23.2 mm   9.3 mm   2.2 mm   2
             D43: 168 ps  74 ps   8 ps  24.0 mm  10.1 mm   1.4 mm   2
             D47: 171 ps  77 ps   5 ps  24.4 mm  10.5 mm   1.0 mm   2
             D49: 175 ps  81 ps   1 ps  25.2 mm  11.3 mm   0.2 mm   2
             D45: 176 ps  82 ps   0 ps  25.3 mm  11.4 mm   0.0 mm   2

Bank C

                   len    min+   max-    len      min+     max-    via
             D50:  81 ps   0 ps  83 ps  13.8 mm   0.0 mm   9.9 mm   1
             D32:  91 ps   9 ps  74 ps  15.4 mm   1.6 mm   8.4 mm   1
             D48:  92 ps  11 ps  72 ps  15.6 mm   1.8 mm   8.2 mm   1
             D28:  92 ps  11 ps  72 ps  15.6 mm   1.8 mm   8.1 mm   1
             D18:  92 ps  11 ps  72 ps  15.6 mm   1.8 mm   8.1 mm   1
             D38:  92 ps  11 ps  72 ps  15.6 mm   1.8 mm   8.1 mm   1
             D20:  92 ps  11 ps  72 ps  15.6 mm   1.8 mm   8.1 mm   1
             D24:  92 ps  11 ps  72 ps  15.6 mm   1.8 mm   8.1 mm   1
             D44:  92 ps  11 ps  72 ps  15.6 mm   1.8 mm   8.1 mm   1
             D42:  93 ps  12 ps  71 ps  15.8 mm   2.0 mm   7.9 mm   1
             D12:  94 ps  12 ps  71 ps  15.9 mm   2.1 mm   7.9 mm   1
             D30:  98 ps  16 ps  66 ps  16.6 mm   2.8 mm   7.1 mm   1
             D46:  99 ps  18 ps  65 ps  16.8 mm   3.0 mm   6.9 mm   1
             D22:  99 ps  18 ps  65 ps  16.8 mm   3.0 mm   6.9 mm   1
             D16:  99 ps  18 ps  65 ps  16.8 mm   3.0 mm   6.9 mm   1
             D36:  99 ps  18 ps  65 ps  16.8 mm   3.0 mm   6.9 mm   1
             D26: 100 ps  18 ps  65 ps  16.9 mm   3.1 mm   6.9 mm   1
             D10: 100 ps  19 ps  64 ps  17.0 mm   3.2 mm   6.7 mm   1
             D40: 101 ps  19 ps  64 ps  17.1 mm   3.3 mm   6.7 mm   1
              D4: 113 ps  32 ps  51 ps  16.7 mm   3.0 mm   7.0 mm   2
              D2: 115 ps  34 ps  49 ps  16.9 mm   3.1 mm   6.9 mm   2
             D35: 119 ps  38 ps  45 ps  20.2 mm   6.4 mm   3.6 mm   1
             D49: 119 ps  38 ps  45 ps  20.2 mm   6.4 mm   3.6 mm   1
             D39: 119 ps  38 ps  45 ps  20.2 mm   6.4 mm   3.6 mm   1
             D25: 122 ps  40 ps  43 ps  20.6 mm   6.8 mm   3.1 mm   1
             D29: 122 ps  40 ps  43 ps  20.6 mm   6.8 mm   3.1 mm   1
              D6: 122 ps  40 ps  43 ps  17.6 mm   3.8 mm   6.1 mm   2
             D33: 123 ps  41 ps  42 ps  20.8 mm   7.0 mm   2.9 mm   1
             D43: 123 ps  41 ps  42 ps  20.8 mm   7.0 mm   2.9 mm   1
             D23: 125 ps  44 ps  39 ps  21.2 mm   7.4 mm   2.5 mm   1
             D37: 126 ps  45 ps  38 ps  21.4 mm   7.6 mm   2.3 mm   1
             D47: 126 ps  45 ps  38 ps  21.4 mm   7.6 mm   2.3 mm   1
             D51: 128 ps  46 ps  37 ps  21.6 mm   7.8 mm   2.1 mm   1
              D9: 128 ps  47 ps  36 ps  21.7 mm   8.0 mm   2.0 mm   1
             D27: 129 ps  47 ps  36 ps  21.8 mm   8.0 mm   1.9 mm   1
             D31: 130 ps  49 ps  34 ps  22.0 mm   8.2 mm   1.7 mm   1
             D41: 130 ps  49 ps  34 ps  22.0 mm   8.2 mm   1.7 mm   1
              D0: 130 ps  49 ps  34 ps  18.9 mm   5.1 mm   4.8 mm   2
             D45: 131 ps  50 ps  33 ps  22.2 mm   8.5 mm   1.5 mm   1
             D21: 132 ps  51 ps  32 ps  22.4 mm   8.6 mm   1.3 mm   1
              D7: 136 ps  54 ps  29 ps  23.0 mm   9.2 mm   0.8 mm   1
              D8: 139 ps  58 ps  25 ps  20.2 mm   6.5 mm   3.5 mm   2
             D34: 143 ps  62 ps  21 ps  21.0 mm   7.2 mm   2.7 mm   2
              D5: 148 ps  67 ps  16 ps  21.2 mm   7.4 mm   2.5 mm   2
             D13: 149 ps  67 ps  15 ps  21.3 mm   7.5 mm   2.4 mm   2
             D15: 149 ps  68 ps  15 ps  21.5 mm   7.7 mm   2.2 mm   2
              D3: 154 ps  73 ps  10 ps  22.1 mm   8.4 mm   1.6 mm   2
              D1: 162 ps  80 ps   3 ps  23.1 mm   9.3 mm   0.6 mm   2
             D14: 163 ps  82 ps   1 ps  23.3 mm   9.5 mm   0.4 mm   2
             D11: 164 ps  82 ps   1 ps  23.5 mm   9.7 mm   0.2 mm   2
             D19: 164 ps  83 ps   0 ps  23.5 mm   9.7 mm   0.2 mm   2
             D17: 164 ps  83 ps   0 ps  23.7 mm   9.9 mm   0.0 mm   2