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|                                 ECO   REPORT                                 |
|                                                                    Page   1  |
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|  X:.../orcad/pH sensor/allegro/1002594rE_BRS-pH-AMP.brd                      |
|                                                    Tue Aug 19 11:38:44 2014  |
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| COMPONENT DEFINITION added to design                                         |
|- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
|    device type                                                               |
|- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
 LT1800_S8_2_SOIC127P599X175-8L8
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|                                 ECO   REPORT                                 |
|                                                                    Page   2  |
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|  X:.../orcad/pH sensor/allegro/1002594rE_BRS-pH-AMP.brd                      |
|                                                    Tue Aug 19 11:38:44 2014  |
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| COMPONENTS CHANGED from one device type to another in design                 |
|- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
|    ref des        | new device type     |   x   |   y   |  old  device type  |
|- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
 U6                  LT1800_S8_2_SOIC127P599X175-8L8                 LT1800_S8_2_SOIC127P599X175-8L8
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|                                 ECO   REPORT                                 |
|                                                                    Page   3  |
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|  X:.../orcad/pH sensor/allegro/1002594rE_BRS-pH-AMP.brd                      |
|                                                    Tue Aug 19 11:38:44 2014  |
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| SLOT PROPERTIES added to design                                              |
|- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
|   slot_id    |   x   |   y   |   property   |             value              |
|- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
 U6.4                           PRIM_FILE      .\pstchip.dat
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|   total ECO changes reported  3                                              |
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