Page 2 - ATTENTION; STATIC SENSITIVE DEVICES; Preface; About This Manual; This document contains the following chapters:; Information about Cautions and Warnings
ATTENTION HANDLE ONLY AT STATIC SAFE WORK STATIONS STATIC SENSITIVE DEVICES Preface www.ti.com 1 Preface 1.1 About This Manual This user’s guide describes the TS3USB221/A/E Evaluation Module (EVM). This guide contains the EVMschematics, bill of materials, assembly drawings, and top and bottom board ...
Page 3 - Introduction; Figure 1; List of Hardware Items for Operation; The following items are required for EVM evaluation:
TS3USB221/A/E EVM TS3USB221/A/E www.ti.com Introduction 2 Introduction The TS3USB221/A/E EVM is an evaluation module for the Texas Instruments (TI) 1:2multiplexer/demultiplexer high-bandwidth USB switches. It is specially designed for high-speed USB 2.0signals, supports bidirectional signaling, and ...
Page 4 - Quick Start; Figure 2. Quick Start Evaluation
TS3USB221/A/E EVM TS3USB221/A/E Introduction www.ti.com 2.2 Quick Start Figure 2. Quick Start Evaluation 1. Connect the PC to the USB connector J3 through a USB cable.2. Make sure the 3.3-V LDO output is enabled by opening J8 without a jumper.3. Make sure the TS3USB221/A/E IC is enabled by shunting ...
Page 5 - EVM Configuration and Description; EVM Description; and; Table 1. EVM Jumper Description; Table 2; Table 2. EVM Connector Description
TS3USB221/A/EOutput Select orOuput Enable 3.3-V LDOOuput Enable 10 k W 10 k W www.ti.com EVM Configuration and Description 3 EVM Configuration and Description 3.1 EVM Description To conform to the USB 2.0 specification, the differential traces D+ and D- lines on the board areimpedance matched to 90-...
Page 6 - Table 3
EVM Configuration and Description www.ti.com 3.3 Board Stack-Up Table 3 shows the board stack-up. Table 3. Board Stack-Up Subclass Thickness Dielectric Loss Width Impedance Coupling Spacing Diff Z o Type Shield Name (mils) Constant Tangent (mils) ( Ω ) Type (mils) ( Ω ) 1 SURFACE 2 TOP CONDUCTOR 2.4...
Page 7 - Schematics; Figure 4. EVM Schematic
www.ti.com EVM Configuration and Description 3.4 Schematics Figure 4. EVM Schematic 7 SCDU001A – July 2009 – Revised October 2009 TS3USB221/A/E High Speed USB 2.0 (480 Mbps) 1:2 Multiplexer/Demultiplexer Switch Evaluation Module Submit Documentation Feedback Copyright © 2009, Texas Instruments Incor...
Page 8 - PCB Layout
EVM Configuration and Description www.ti.com 3.5 PCB Layout Figure 5. Top Silkscreen/Assembly 8 TS3USB221/A/E High Speed USB 2.0 (480 Mbps) 1:2 Multiplexer/Demultiplexer SCDU001A – July 2009 – Revised October 2009 Switch Evaluation Module Submit Documentation Feedback Copyright © 2009, Texas Instrum...
Page 10 - Figure 7. Internal Ground Plane
EVM Configuration and Description www.ti.com Figure 7. Internal Ground Plane 10 TS3USB221/A/E High Speed USB 2.0 (480 Mbps) 1:2 Multiplexer/Demultiplexer SCDU001A – July 2009 – Revised October 2009 Switch Evaluation Module Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporate...
Page 11 - Figure 8. Internal Power Plane
www.ti.com EVM Configuration and Description Figure 8. Internal Power Plane 11 SCDU001A – July 2009 – Revised October 2009 TS3USB221/A/E High Speed USB 2.0 (480 Mbps) 1:2 Multiplexer/Demultiplexer Switch Evaluation Module Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated
Page 14 - Bill of Materials; Table 4. Bill of Materials; Related Documentation; USB 2.0 Board Design and Layout Guidelines application report (
Related Documentation www.ti.com 3.6 Bill of Materials Table 4. Bill of Materials Count RefDes Value Description Size Part Number Manufacturer 2 J1, J3 – USB Connector Type A – AU-Y1005 Assmann Electronics Inc Molex / Waldom 3 J2, J4, J5 – USB Connector Type B – 67068-9000 Electronics 100 mil x Sull...
Page 15 - IMPORTANT NOTICE
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements,and other changes to its products and services at any time and to discontinue any product or service without notice. Customers shouldobtain the l...