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HIGHLIGHTS

  • Provides signal access points for DDR4 DRAM x4/x8 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 N2114A 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 N2114A 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.
 

N2114A DDR4 BGA Interposers

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Featured Resources for N2114A DDR4 BGA Interposers, DDR4 DRAM x4/x8 Packages

Data Sheets 2022.04.19

N2114A and N2115A DDR4 BGA Interposers for Infiniium Oscilloscopes

N2114A and N2115A DDR4 BGA Interposers for Infiniium Oscilloscopes

The DDR4 BGA interposers provide signal access to clock, strobe, data, address and command signals of the DDR4 BGA package for making electrical, timing and eye diagram measurements.

2022.04.19

User Manuals 2016.02.29

N2114A & N2115A DDR4 BGA Interposer for Oscilloscopes User Guide

N2114A & N2115A DDR4 BGA Interposer for Oscilloscopes User Guide

Provides installation information for the Keysight N2114A x4/x8 DDR4 BGA interposer and the N2115A x16 DDR4 BGA interposer.

2016.02.29

White Papers 2018.07.02

Probing a Midpoint of a Transmission Line that is Not Load Terminated

Probing a Midpoint of a Transmission Line that is Not Load Terminated

With the advent of variable on die termination (i.e. ODT) many systems like low power double data rate memory (LPDDR) have the ability to either terminate a line in its characteristic impedance for high speed operation or terminate it with an open for lower speed operation. Many times there is a desire to probe the transmission line to monitor the signals on the line. When the transmission line is terminated in close to its characteristic impedance, the signals can be readily observed. However, if the line is terminated in an impedance that is not close to the characteristic impedance then it may not be possible to accurately measure the signals.

2018.07.02

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