HD3SS3412ARUAT

Order Now Product Folder Technical Documents Support & Community Tools & Software HD3SS3412A SLAS974 – DECEMBER 2017 HD3SS3412A 4-Channel High-Performance Differential Switch 1 Features 3 Description • The HD3SS3412A device is a high-speed passive switch capable of switching four differential channels, including applications such as two full PCI Express x1 lanes from one source to one of two target locations in a PC or server application. With its bidirectional capability, the HD3SS3412A also supports applications that allow connections between one target and two source devices, such as a shared peripheral between two platforms. The HD3SS3412A has a single control line (SEL pin) which can be used to control the signal path between Port A and either Port B or Port C. 1 • • • • • • • Compatible With Multiple Interface Standards Operating up to 12 Gbps Including PCI Express Gen III and USB 3.0 Wide –3-dB Differential BW of Over 8 GHz Excellent Dynamic Characteristics (at 4 GHz) – Crosstalk = –35 dB – Off Isolation = –19 dB – Insertion Loss = –1.5 dB – Return Loss = –11 dB Bidirectional "MUX/De-MUX" Type Differential Switch VDD Operating Range 3.3 V ±10% Small 3.5-mm × 9.0-mm, 42-Pin WQFN Package Common Industry Standard Pinout Supports XAUI and SGMII Device Information(1) PART NUMBER 2 Applications • • • • The HD3SS3412A is offered in an industry standard 42-pin WQFN package available in a common footprint shared by several other vendors. The device is specified to operate from a single supply voltage of 3.3 V over the full temperature range of 0°C to 70ºC. Desktop and Notebook PCs Server and Storage Area Networks PCI Express Backplanes Shared I/O Ports PACKAGE BODY SIZE (NOM) WQFN (42) 9.00 mm × 3.50 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. HD3SS3412A Switch Flow Through Routing GND GND VDD NC HD3SS3412A Pinout HD3SS3412A 1 A0+ A0- B0+ B0B1+ B1C0+ Top View RUA Package GND VDD A1+ C0C1+ A1NC C1VDD SEL GND B2+ A2+ B2- A2- B3+ VDD GND B3C2+ GND Pad A3+ C2- GND VDD 21 NC GND 22 18 18 21 C3+ C3- 17 22 17 A3GND 38 39 42 1 38 39 42 GND 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. HD3SS3412A SLAS974 – DECEMBER 2017 www.ti.com Table of Contents 1 2 3 4 5 6 7 8 9 Features .................................................................. Applications ........................................................... Description ............................................................. Revision History..................................................... Description (continued)......................................... Pin Configuration and Functions ......................... Specifications......................................................... 1 1 1 2 3 3 6 7.1 7.2 7.3 7.4 7.5 7.6 7.7 6 6 6 6 7 7 9 Absolute Maximum Ratings ...................................... ESD Ratings.............................................................. Recommended Operating Conditions....................... Thermal Information .................................................. Electrical Characteristics........................................... Dissipation Ratings ................................................... Typical Characteristics .............................................. 9.2 Functional Block Diagram ....................................... 12 9.3 Feature Description................................................. 13 9.4 Device Functional Modes........................................ 13 10 Application and Implementation........................ 14 10.1 Application Information.......................................... 14 10.2 Typical Application ................................................ 15 11 Power Supply Recommendations ..................... 17 12 Layout................................................................... 17 12.1 Layout Guidelines ................................................. 17 12.2 Layout Example .................................................... 17 13 Device and Documentation Support ................. 18 13.1 13.2 13.3 13.4 13.5 Parameter Measurement Information ................ 10 Detailed Description ............................................ 12 Receiving Notification of Documentation Updates Community Resources.......................................... Trademarks ........................................................... Electrostatic Discharge Caution ............................ Glossary ................................................................ 18 18 18 18 18 14 Mechanical, Packaging, and Orderable Information ........................................................... 18 9.1 Overview ................................................................. 12 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. 2 DATE REVISION NOTES December 2017 * Initial release. Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Product Folder Links: HD3SS3412A HD3SS3412A www.ti.com SLAS974 – DECEMBER 2017 5 Description (continued) The HD3SS3412A is a generic 4-CH high-speed MUX/de-MUX type of switch that can be used for routing highspeed signals between two different locations on a circuit board. Although it was designed specifically to address PCI Express Gen III applications, the HD3SS3412A will also support several other high-speed data protocols with a differential amplitude of