Opal Kelly issues this PCN to existing customers of the listed product(s) to inform them of changes and/or updates that may affect current inventory or current and future applications of the product.
12 September 2022
The following items are affected by this PCN:
PCB revisions BXX and later are affected by this PCN. Revision AXX (20181127) is not affected by this change. The PCB revision is indicated in silkscreen in the location shown below
Revision AXX (20181127) is not affected.
Revisions BXX and later are affected.
Reason for the Change
Revision AXX had an intra-pair length mismatch for nets B34_L6P and B34_L6N. There was a length difference of 42.5mils in the differential pair routing. This has been corrected in Revision BXX and later.
Description of the Change
The B34_L6P and B34_L6N trace lengths have been updated as follows. The total length listed here length includes the package pin length.
|FPGA Pin||MC Pin||Net||Rev AXX Length||Rev BXX Length|
|MC1-19||1514.456 mil||1514.456 mil|
|MC1-17||1471.946 mil||1514.456 mil|