HIGHLIGHTS

  • Provides signal access points for DDR4 DRAM x16 packages using JEDEC-standard common BGA footprints to the oscilloscope
  • Perimeter solder-down test points can be used with Logic Analyzer flying leads or Oscilloscope solder-down probe tips to access signals.
  • Effective bandwidth may be extended with InfiniiSim Waveform Transformation software
  • Measurement timing skews reduced by matched trace lengths from DDR4 balls to test points 
  • Probing compatibility with InfiniiMax probe, which includes E2677A, N5381A, and N5425A/N5426A differential solder-in probe heads
  • S-parameter models are available for use with InfiniiSim for de-embedding purposes 
  • The N2115A DDR4 BGA interposers provide signal access to the clock, strobe, data, address and command signals to the DDR4 BGA package for making electrical and timing measurements with an Infiniium oscilloscope. With the DDR4 JEDEC specification defined at the DRAM ballout, the BGA probe adapter provides direct signal access to BGA package for true compliance testing.

The N2115A DDR4 BGA Interposers are soldered in between the DRAM and PC board or DIMM raw card where the DRAM would normally be soldered. They are designed with the PCB or DIMM foot print on the bottom side and the DRAM footprint on the top side. The signals from the memory controller chip and DRAM are then passed directly to the top side of the BGA probe adapter where they can be accessed with the oscilloscope probes.
 

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