The Keysight W2635A-010 and W2635A-011 DDR3 BGA probe adapters provide signal access to the clock, strobe, data, address, and command signals for making electrical and timing measurements with an Infiniium oscilloscope. With the DDR3 JEDEC specification (JESD79-3A) defined at the dynamic random access memory (DRAM) ballout, the BGA probe adapter provides direct signal access to the BGA package for true compliance testing.

The W2635A-010 and W2635A-011 DDR3 BGA probe adapters are soldered in between the DRAM and the PC board or DIMM raw card where the DRAM would normally be soldered. They are designed with the PCB or DIMM footprint on the bottom and the DRAM footprint on the top. The signals from the memory controller chip and DRAM are then passed directly to the top of the BGA probe adapter, where they are accessible with the oscilloscope probes.