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OCuLink Riser for the Supermicro AIOM Slot

Public Unreviewed

by John Lauer

Passive OCP NIC 3.0 SFF card that breaks a Supermicro AIOM slot's PCIe x16 into four OCuLink 4i ports (4 x4, Gen4): 6-layer, 85 ohm, length-matched, DRC-clean KiCad project with Gerbers, BOM and CPL.

pcbkicadoculinksff-8611ocp-nic-3.0aiomsupermicropcie-gen4riseropen-hardware
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oculink-aiom-riser / kicad / lib / adom-symbols / SN74LVC125APWR.create.json
HistoryDownload
John Lauer The finished riser: KiCad project, Gerbers/BOM/CPL, design record, renders and analysis 09d929e 7d ago
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{
 "symbolName": "SN74LVC125APWR",
 "pinCount": 14,
 "referencePrefix": "U",
 "manufacturer": "Texas Instruments",
 "package": "TSSOP-14",
 "description": "Quad bus buffer with 3-state outputs, Ioff",
 "datasheetUrl": "https://www.ti.com/lit/ds/symlink/sn74lvc125a.pdf",
 "pins": [
  {
   "name": "1A",
   "number": "2",
   "type": "input",
   "group": "INPUTS",
   "side": "left"
  },
  {
   "name": "2A",
   "number": "5",
   "type": "input",
   "group": "INPUTS",
   "side": "left"
  },
  {
   "name": "3A",
   "number": "9",
   "type": "input",
   "group": "INPUTS",
   "side": "left"
  },
  {
   "name": "4A",
   "number": "12",
   "type": "input",
   "group": "INPUTS",
   "side": "left"
  },
  {
   "name": "~{1OE}",
   "number": "1",
   "type": "input",
   "group": "ENABLES",
   "side": "left"
  },
  {
   "name": "~{2OE}",
   "number": "4",
   "type": "input",
   "group": "ENABLES",
   "side": "left"
  },
  {
   "name": "~{3OE}",
   "number": "10",
   "type": "input",
   "group": "ENABLES",
   "side": "left"
  },
  {
   "name": "~{4OE}",
   "number": "13",
   "type": "input",
   "group": "ENABLES",
   "side": "left"
  },
  {
   "name": "1Y",
   "number": "3",
   "type": "tri_state",
   "group": "OUTPUTS",
   "side": "right"
  },
  {
   "name": "2Y",
   "number": "6",
   "type": "tri_state",
   "group": "OUTPUTS",
   "side": "right"
  },
  {
   "name": "3Y",
   "number": "8",
   "type": "tri_state",
   "group": "OUTPUTS",
   "side": "right"
  },
  {
   "name": "4Y",
   "number": "11",
   "type": "tri_state",
   "group": "OUTPUTS",
   "side": "right"
  },
  {
   "name": "VCC",
   "number": "14",
   "type": "power_in",
   "group": "POWER",
   "side": "right"
  },
  {
   "name": "GND",
   "number": "7",
   "type": "power_in",
   "group": "POWER",
   "side": "left"
  }
 ]
}