Keysight Technologies W3301A Installation Manual
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Keysight Technologies W3301A Installation Manual

Lpddr3 bga interposers
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Keysight W3301A LPDDR3
BGA Interposers
Installation Guide

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Summary of Contents for Keysight Technologies W3301A

  • Page 1 Keysight W3301A LPDDR3 BGA Interposers Installation Guide...
  • Page 2 FAR 2.101, pursuant to FAR 12.211 and 27.404.2 and DFARS 227.7102, the U.S. government acquires no greater than Limited Rights as defined in FAR 27.401 or DFAR 227.7103-5 (c), as applicable in any technical data. Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 3: In This Guide

    This guide provides information on how to set up and use the following Keysight products in a LPDDR3 probing setup: • W3301A LPDDR3 178-ball, BGA Interposer • E5406A/B Pro Series Soft Touch Connectorless Single-ended Probes • U4201A 90-pin Cable Connectors (connects to the E5406A/B probes and Logic analyzer) Keysight W3301A LPDDR3 BGA Interposers Installation Guide...
  • Page 4 Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 5: Table Of Contents

    3 Setting up the W3301A Interposer W3301A Interposer Setup - Overview Step 1 - Soldering the W3301A Interposer Step 2 - Connecting the W3301A Interposer to E5406A/B Probes Step 3 - Connecting the E5408A/B Probe Pods to the U4201A Logic Analyzer Cable Pods...
  • Page 6 Contents 4 Setting Up the Logic Analyzer for W3301A Interposers Before You Start Load ing a Configuration File To save a configuration file 5 Characteristics, Regulatory, Safety and Storage Information Operating Characteristics Storage, Inspection, and Baking Guidelines Guidelines for Shelf Life and Solder-ability of W3301A Interposers...

  • Page 7: Introduction To W3301A Interposers

    Hardware and Software Requirements / 13 Mechanical Considerations / 15 This chapter introduces the hardware components that are needed for a W3301A LPDDR3 BGA interposer setup. It also lists the software requirements as well as describes the mechanical considerations such as various dimensions and KOV that you should know before you start setting up...

  • Page 8: W3301A Lpddr3 Bga Interposers - An Overview

    DRAM would normally be soldered. The interposer is designed to be soldered to the PCB footprint for the DRAM on top of either the LPDDR riser included with the W3301A interposer or an optional Grypper socket (not included with the interposer) or both. The DRAM being probed is then soldered to the top side of the interposer.

  • Page 9: Compatibility With Logic Analyzer Modules

    An isolation Tip Resistor (100 Ohms) for each signal probed by the Logic Analyzer is present on the top of the W3301A interposer. No RC network present on the E5406A/B probes or on the top or bottom of the interposer.
  • Page 10 DRAM and the Pin 1 indicator on the riser must orient towards the “A1” pin of the DRAM. To know how to solder the riser to the W3301A interposer and PC board, refer to the chapter “W3301A Interposer and Riser Soldering Guidelines"...

  • Page 11: E5406A/B Pro Series Soft Touch Connectorless Single-Ended Probes

    E5406A/B probe. You can order additional kits using the Keysight part number - E5403A. To know how to connect a W3301A interposer to an E5406A/B probe, refer to the following topics in this guide: •...

  • Page 12: U4201A 90-Pin Logic Analyzer Cable

    31 To get information such as the characteristics, specifications, safety information, and dimensions of the U4201A cable, refer to the Keysight U4200A-Series Probes and Cables User Guide (part number U4200-97000) available on www.keysight.com. Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 13: Hardware And Software Requirements

    Introduction Hardware and Software Requirements Before you start installing the W3301A interposer, ensure that you have the following list of hardware and software components needed for this interposer. Hard ware Requirements U4164A or U4154A/B AXIe-based Logic Analyzer Module M9502A 2-slot or M9505A 5-slot AXIe chassis to install the logic analyzer module...
  • Page 14 You can install the above-mentioned software components by downloading the required NOTE executables from the Keysight web site at: www.keysight.com/find/lpa-sw-download. The following table displays the number of W3301A interposers and cables required to provide connections to channels of your logic analyzer module. DRAM...

  • Page 15: Mechanical Considerations

    Introduction Mechanical Considerations W3301A Interposer Dimensions The following figure shows the dimensions of a W3301A LPDDR3 BGA interposer. Figure 5 Dimensions of a W3301A interposer (Top View) Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 16: W3301A Riser Dimensions

    Introduction W3301A Riser Dimensions W3301A Keep-Out Volume You must install the W3301A interposer on a riser (shipped with the interposer) or a grypper NOTE socket to provide clearance to surrounding DRAM. Keysight W3301A LPDDR3 BGA Interposers Installation Guide...
  • Page 17 Introduction Figure 6 KOV of a W3301A interposer Keysight W3301A LPDDR3 BGA Interposers Installation Guide...
  • Page 18 Introduction Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 19: W3301A Interposer And Riser Soldering Guidelines

    Soldering Steps / 22 Interposer Fabrication Notes / 23 In this chapter, Keysight provides the soldering guidelines and information for W3301A interposer installation. However, Keysight cannot guarantee the successful interposer installation due to variations in processes and equipment used at individual BGA rework facilities.
  • Page 20 W3301A Interposer and Riser Soldering Guidelines Recommended Read ing BGA Component Rework Profile Development, Smart Track Method http://www.circuitrework.com/guides/9-2-2.shtml BGA Component Rework, Eutectic Solder Ball http://www.circuitrework.com/guides/9-3-1.shtml BGA Component Reballing, Fixture Method http://www.circuitrework.com/guides/9-4-1.shtml Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 21: Recommended Soldering Guidelines

    • The maximum processing temperature that the W3301A interposers can withstand is 260 °C for not more than 90 seconds. •...

  • Page 22: Soldering Steps

    Position memory using an SRT (or equivalent) with vision system for manual placement. d Reflow per the prepared heating profile. Post Processing a Remove flux residue. b Remove any Kapton tape heat shielding and peelable mask material. c Remove heat shielding from the target board. Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 23: Interposer Fabrication Notes

    Mechanical Dimensions When a W3301A interposer is soldered to a riser, flatness must be maintained on the order of 3.5 mils or less across the BGA footprint to maximize successful soldering to the interposer. Keysight W3301A LPDDR3 BGA Interposers Installation Guide...
  • Page 24 W3301A Interposer and Riser Soldering Guidelines Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 25: Setting Up The W3301A Interposer

    W3301A Interposer Setup - Overview / 26 Step 1 - Soldering the W3301A Interposer / 27 Step 2 - Connecting the W3301A Interposer to E5406A/B Probes / 28 Step 3 - Connecting the E5408A/B Probe Pods to the U4201A Logic Analyzer Cable Pods / 30...

  • Page 26: W3301A Interposer Setup - Overview

    CAUTION interposer. Use a grounded wrist strap and other ESD control measures as appropriate. Do not open the vacuum sealed packs of the W3301A interposer until you are ready to install NOTE the interposer. Discard these packs once the package is opened.

  • Page 27: Step 1 - Soldering The W3301A Interposer

    Step 1 - Soldering the W3301A Interposer The W3301A interposer needs to be attached to the JEDEC LPDDR3 BGA 178 footprint on the design to be probed. The desired DRAM is soldered to the top side of the interposer. This attachment may occur in any order (i.e.

  • Page 28: Step 2 - Connecting The W3301A Interposer To E5406A/B Probes

    Setting up the W3301A Interposer Step 2 - Connecting the W3301A Interposer to E5406A/B Probes After soldering components, you can connect the W3301A interposer to the E5406A/B probes. The E5406A/B probes attach by soldering the E5406A retention modules to the connectorless footprints on top-side of the W3301A interposer.
  • Page 29 Alternate turning each screw on the probe a little until both screws are finger tight like you would attach a cable to your PC. Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 30: Step 3 - Connecting The E5408A/B Probe Pods To The U4201A Logic Analyzer Cable Pods

    Similarly, connect the other E5406A probe’s Odd and Even pods to the third and fourth U4201A cables used in the setup. Figure 9 An E5406A/B Probe’s pods connected to the Odd pods of two U4201A Cables Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 31: Step 4 - Connecting The U4201A Cables To Logic Analyzer Module Pods

    Odd pod of U4201A cable <4> Pod 3 connected to J2 connectorless footprint of interposer The mapping of the cable pods and logic analyzer pods is also illustrated with the help of the following diagram. Keysight W3301A LPDDR3 BGA Interposers Installation Guide...
  • Page 32 Setting up the W3301A Interposer Figure 10 Connections between U4201A cables and Logic Analyzer pods Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 33: W3301A Interposer Connectorless Footprints Pinout

    The diagram below illustrates the pinout of the two connectorless footprints - J1 and J2 on top of a W3301A interposer. In the following pinout, • Clock/Qualifier inputs are highlighted with yellow Figure 11 W3301A Interposer Connectorless Footprints Pinout Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 34: Logic Analyzer Channels To Signals Mapping

    Note: • Clock inputs for each logic analyzer pod are highlighted with yellow in this table. Table 1 Signals and Logic Analyzer Channels Mapping when using the W3301A Interposer Logic Analyzer Pod Signals on Even Logic Analyzer Pod Signals on Odd...

  • Page 35: Signals Not Probed By The Logic Analyzer

    DQ17 DQ16 DQ21 CLK- CLK+ CKE0 CLK+ CKE1 CLK- Signals not probed by the Logic Analyzer The following signals are omitted from the Logic Analyzer connections for the W3301A interposer. Interposer Signal Name W3301A VDDCA VDD1 VDD2 VrefCA VDDQ VrefDQ...
  • Page 36 Setting up the W3301A Interposer Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 37: Setting Up The Logic Analyzer For W3301A Interposers

    Keysight W3301A LPDDR3 BGA Interposers Installation Guide Setting Up the Logic Analyzer for W3301A Interposers Before You Start / 38 Loading a Configuration File / 39...

  • Page 38: Before You Start

    Setting Up the Logic Analyzer for W3301A Interposers Before You Start Ensure that all the software components listed in the topic “Hardware and Software Requirements" on page 13 are installed on the host computer and the required software licenses are also obtained and installed.

  • Page 39: Loading A Configuration File

    Based on the software configuration (see page 9) in which you want to use your W3301A interposer with the logic analyzer, you can load an appropriate configuration file from this set in the Logic and Protocol analyzer GUI.
  • Page 40 Setting Up the Logic Analyzer for W3301A Interposers Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 41: Characteristics, Regulatory, Safety And Storage Information

    Keysight W3301A LPDDR3 BGA Interposers Installation Guide Characteristics, Regulatory, Safety and Storage Information Operating Characteristics / 42 Storage, Inspection, and Baking Guidelines / 43 Regulatory Notices / 44...

  • Page 42: Operating Characteristics

    Avoid sudden, extreme temperature changes which could cause condensation on the circuit board. For indoor use only. Characteristics Description To interposer Memory bus signals from target system From interposer High-density connectors for Keysight U4164A AXIe-based logic analyzer module Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 43: Storage, Inspection, And Baking Guidelines

    The following are some of the guidelines for storing and shelf life of the W3301A interposers. Guidelines for Shelf Life and Solder-ability of W3301A Interposers If your Interposer exceeds shelf life (1 year) before solder into application, use the following inspection and baking method.

  • Page 44: Regulatory Notices

    "Monitoring and Control Instrumentation" product. Do not d ispose in domestic household waste. To return unwanted products, contact your local Keysight office, or see "www.keysight.com" for more information. China RoHS W3301A E5406B U4201A Keysight W3301A LPDDR3 BGA Interposers Installation Guide...

  • Page 45: Index

    U4201A, installing the W3301A interposer, interposer, inputs to, interposer, outputs from, introduction, W3301A channel mapping, W3301A feature summary, WEEE compliance, KOV, logic analysis system set up, Keysight W3301A LPDDR3 BGA Interposers Installation Guide...
  • Page 46 Index Keysight W3301A LPDDR3 BGA Interposers Installation Guide...
  • Page 47 Keysight W3301A LPDDR3 BGA Interposers Installation Guide...
  • Page 48 This information is subject to change without notice. © Keysight Technologies 2016 Edition 1 October 2016 *W3301-97000* www.keysight.com...

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