Texas Instruments HPL-D SLLU064A User's Manual
Contents
1. LON 18d 1 3100 Je m gt w zm m WA 9 1 Hazla a TS e P E T 6 TOSSA 999717 1 1 1033A ja 1035A sn MA lalala E A T T rw mS A Set 04 a amp LO DART ca m 1035 s amy T n 0 9n ERIS n E DA ube oh E 9 T Te 9A 3 ay TE 9 5 gor 2 T 22 a A a am ae x RM T Avo 165 or i Me 05 jr T 3736 Eh 74 ve hr A E 5 T i DA 6 n 8 TOSSA T x79 21 ade 131 5 E 085 T 1 ze d po oleo n ey WO 4 L Dj ny 9 151 5 Ta in T ho 5 0SZSQATS9NS is p 40 ab AR LT 1 VSCISQA SONS 155 en DA 1035A DA 1 E yan rw Le al os E h T Ey 15 1033A 99 71 L 1035A DA 1035A an DA Figure 3 1 4x4 Crosspoint Switch EVM Schematic 3 2 3 EVM Construction 3 2 Board Layout Patterns 314 M12 2130007812 W11 J13 WO R ucc RH ucc ucc 1DE 2DE 3DE R15 Beis m 7 RI6 5 INSTRUMENTS 6456526 SN65LVDS125A snes_vps250 UCC 4X4 Crosspoint Switch EVM J4 J5 Figure 3 2 4x4 Crossp2. 1 3 Figure 1 3 4x4 Crosspoint Switch Signal Paths 1 4 Figure 2 1 EVM Power Connections for Either SN65LVDS125A or SN65LVDS250 Evaluation iuis sentio rk oon nnd o eoo e XO HO BO OD DOO EE RO RE 2 2 Figure 2 2 Termination for Interfacing LVDS CML or LVPECL Drivers 2 3 Figure 2 3 Typical Test Results UU UU ra a 2 5 Figure 3 1 4x4 Crosspoint Switch EVM Schematic 3 2 Figure 3 2 4x4 Crosspoint Switch EVM Board Layout 3 3 Figure 3 3 Layer 1 Signal Plane eere nnn nnn nnn nnns 3 4 Figure 3 4 GND Pl Ocio Ser non oar s Ens eon br nd o E ER de 3 5 Figure 3 5 Layer IVC id 3 5 Figure 3 6 Layer 4 Vcc01 Plane u u u 3 6 Figure 3 7 Layer 5 GND Plane s rk X4 Ro u 3 6 Figure 3 8 Layer 6 GND Signal 44 2 4 1 3 7 Table 2 1 Crosspoint Function 2 3 Table 3 2 Bill of Materials for the SN65LVDS125A SN65LVDS250 3 9 vi Chapter 1 1 Overview This chapter provides
3. GND Layer 2 1 0 0075 VCC Power Layer 3 0 062 VCCO1 Power Layer 4 t 0 0075 GND Layer 5 0 0075 SIGNAL GND Layer 6 34 Bill of Materials Table 3 2 Bill of Materials for SN65LVDS125A SN65LVDS250 EVM 3 EVM Construction Item 6456526 1 6456526 2 6456526 3 Description Pattern Reference Qty Qty Qty Designator 1 9 9 9 0 001 402 C2 C3 C4 C5 C6 C7 C8 C9 C10 2 2 2 2 0 01 uF 603 C13 C18 3 1 1 1 0 1 UF 603 C21 4 2 2 2 0 1 uF 1206 C14 C19 5 4 4 4 100 O uninstalled 402 R5 R11 R14 6 2 2 2 10 uF 7343 C11 C16 7 1 1 1 1 UF 603 C22 8 2 2 2 1206 15 20 W1 W2 W3 W4 9 12 12 12 3 pos jumper W5 W6 W7 W8 W9 W10 W11 W12 10 8 8 8 49 9 Q uninstalled 402 R6 R7 R9 R10 R12 R13 R15 R16 11 8 8 8 49 9 Q 402 R1 R2 R3 R4 R17 R18 R19 R20 12 2 2 2 68 uF 5920 R C12 C17 13 4 4 4 Banana jack J17 J18 J19 J20 SMA END J1 J2 J3 J4 J5 J6 J7 J8 9 J10 J11 14 16 16 16 SMA PCB MT MOD 500 J12 J13 J14 315 J16 15 1 0 0 SN65LVDS125A 38 TSSOP U1 DBT 16 0 1 0 SN65LVDS250 38 TSSOP U1 DBT 17 0 0 1 Special 38 TSSOP U1 DBT 18 4 4 4 Rubber feet 3 8 19 1 1 1 PWB 6456526 PWB 3 9
4. 221 PRBS signal at 1 5 Gbps The input levels for both clock and data were a differential voltage of 400 mV with a common mode voltage of 0 V referenced to the ground of the pattern generator 2 Setup and Required Equipment S gt Jo we sj E Sheer Sa see Puise z amotuae an cn mr nn Se B 07 4 4 poo agp mE Figure 2 3 Typical Test Results 2 Setup and Required Equipment 2 6 Construction Chapter 3 3 Construction This chapter presents the schematics board layouts fabrication information and the bill of materials Topic Page 3 1 Schematic 3 2 3 2 Board Layout Patterns 3 3 3 3 PCB Fabrication Requirements and Stack Up 3 8 3 4 Bill of Materials 3 9 3 1 Schematic m9
5. Finland English 358 0 9 25173948 France 33 0 1 30 70 11 64 Germany 49 0 8161 80 33 11 Hong Kong 800 96 5941 Indonesia 001 803 886 1 1006 Israel English 1800 949 0107 free phone Italy 800 79 11 37 free phone Japan 0120 81 0036 FCC Warning Korea 080 551 2804 Malaysia 1 800 80 3973 Netherlands English 31 0 546 87 95 45 New Zealand 0800 446 934 Phillippines 1 800 765 7404 Singapore 800 886 1028 Spain 34 902 35 40 28 Sweden English 46 0 8587 555 22 Taiwan 0800 006800 Thailand 001 800 886 0010 United Kingdom 44 0 1604 66 33 99 This equipment is intended for use in a laboratory test environment only It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other environments may cause interference with radio communications in which case the user at his expense will be required to take whatever measures may be required to correct this interference If your book does not discuss a product that creates radio frequency interference delete this section from your preface If your book does discuss a product that creates radio frequency interference you must include this warning as it appears above Contents Read THIS Eli dents dveceetiiecceutsdescevtascvsenti
6. high level description of the 4x4 crosspoint switch EVM mounted with either a SN65LVDS125A 4x4 1 5 Gbps or a SN65LVDS250 4x4 2 5 Gbps crosspoint switch Topic Page 1 1 Sample Functional Configurations 1 2 1 2 Signal Paths 1 4 1 Overview 1 1 Sample Functional Configurations 2A 2B 3A 3B 3A 3B The 4x4 crosspoint switch is a fully non blocking switch that provides flexibility in switch configuration for the desired application A sample of various functions for which the EVMs can be configured is shown in Figure 1 1 Configuration Examples 5141 511 520 521 sto si 522 521 0 0 1 L o o o 531 540 541 sso 540 541 L t 0 AA ts L o o TY 1A 1Y 12 1 e O 12 2Y 2Y a 22 22 3Y 3Y 4 32 32 4Y 4Y 42 42 510 511 520 521 510 511 520 521 0 0 0 0 1 1 1 1 sso 531 540 541 530 531 540 541 T Ch o L o o o 1Y 1A b 12 1B 2Y b 22 Figure 1 1 Sample Functional Configurations of the 4x4 Crosspoint Switch 1 Overview Figure 1 2 shows the 4x4 crosspoint switch EVM part number SN65LVDS125A or SN65LVDS250 The EVM comes with either the SN65LVDS125A SN65LVDS250 installed and a copy of the
7. data sheet The latest version of the data sheet is also available from www ti com TEXAS INSTRUMENTS AIW 6456526 m SN65LVDS125A SN65EVDS250 Figure 1 2 4x4 Crosspoint Switch EVM 1 Overview 4 2 Signal Paths The signal paths on this EVM see Figure 1 3 include Sixteen edge launch SMA connectors J1 J16 for high speed data transmission Eight jumpers W 1 W8 for active switch logic control Four jumpers W9 W 12 for enabling and disabling the outputs Three banana jacks J17 J18 J19 for power and ground connections Banana jack J20 is used for non LVDS type configurations Figure 1 3 4x4 Crosspoint Switch Signal Paths Chapter 2 2 Setup and Required Equipment Both the SN65LVDS125A and the SN65LVDS250 LVDS driver output characteristics are compliant with the requirements of the TIA EIA 644 standard LVDS drivers nominally provide a 350 mV differential signal with a 1 2 V offset from ground These levels are attained when driving a 100 0 differential line termination test load This requirement includes the effects of up to 32 standard receivers with their ground references offset up to 1 V from that of the driver This common mode loading limitation of LVDS drivers affects how the driver s characteristics are observed with this EVM and the test setup that follows in this manual By using three power jacks J17 J18 and J19 and by optionally installing termination resistors different m
8. probe Direct connection to an oscilloscope with 50 Q internal terminations to ground is accomplished without requiring installation of resistors R5 R16 on the EVM The outputs are available at J9 J16 for direct connection to oscilloscope inputs All cabling used to source and measure signals must be electrically matched in length to prevent any skew between conductors of the differential inputs Referring back to 2 1 power supply 1 is used to provide the required 3 3 V to the EVM Power supply 2 is used to offset the EVM ground relative to the device under test DUT ground With this power scheme the common mode voltage seen by either the SN65LVDS125A or the SN65LVDS250 is approximately equal to that of the oscilloscope thus preventing significant common mode current flow Using dual supplies and offsetting the EVM ground relative to the DUT ground are simply steps required for the test and evaluation of devices Actual designs include high impedance receivers which do not require the setup steps outlined above If the EVM outputs are to be evaluated with a high impedance probe direct probing on the EVM is supported via installation of a 100 Q resistor across the solder pads R5 R8 R11 and R14 Note Power Supply 2 Power supply 2 must be able to sink current 2 3 Typical Test Results 2 4 Figure 2 3 is a typical result obtained with the EVM setup shown in Figure 2 1 The inputs J1 J8 were stimulated with
9. ANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES TI currently deals with a variety of customers for products and therefore our arrangement with the user 15 not exclusive Tl assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Please read the EVM User s Guide and specifically the EVM Warnings and Restrictions notice in the EVM User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For further safety concerns please contact the TI application engineer Persons handling the product must have elect
10. dendestuduectueideedsvsesercesticnesentics iii About This Manual rire Rhin iii How to Use This iii Related Documentation from Texas Instruments iii It You Need Assistante eo ob a e eec eta er eo Ur ra de rated d Mat iii FOCWA oe iv SI MP ERE v v A 1 OVerVieW u u NN 1 1 1 1 Sample Functional Configurations 1 2 1 2 Signal id m 1 4 2 Setup and Required 2 1 2 1 Applying nnne nenne 2 1 2 2 Observing an Oufput url est ep o PEE lc er a tris 2 4 2 3 Typical RESUMES Cm 2 4 3 EVM Went 3 1 2 1 Schemata 3 2 3 2 Board Layout Patterns inicial 3 3 3 3 PCB Fabrication Requirements and Stack Up 3 8 3 4 Bill of A 3 9 Figure 1 1 Sample Functional Configurations of the 4x4 Crosspoint Switch 1 2 Figure 1 2 4x4 Crosspoint Switch EVM
11. ethods of probing can be used to evaluate the device output characteristics The typical setup for the 4x4 crosspoint switch EVM is shown in Figure 2 1 21 Applying an Input While the use of a split power plane allows the EVM to be terminated within the oscilloscope offsetting the EVM ground requires the inputs to the device to also be offset Figure 2 1 shows how to offset the EVM and the inputs to the device Setting power supply 1 to 3 3 V and power supply 2 to 1 2 V causes the voltage swing of the LVDS outputs to be within the limits of 200 mV to 200 mV instead of the typical 1 V to 1 4 V This requires the inputs of the 4x4 crosspoint switch EVM to also be offset by 1 2 V resulting in a voltage swing of 200 mV to 200 mV VTERM banana jack J20 is provided for non LVDS input terminations such as LVPECL which requires a termination voltage When applying an LVDS input VTERM can be left open or connected to GND which is the common mode voltage when using the aforementioned 200 mV to 200 mV input swing 2 1 2 Setup and Required Equipment 3 3V Power Supply 1 12 Power Supply 2 A 00 39830 AW 00p epnyiduy viva VLvd Small SOT RAND DATA DATA Amplitude 400 mV Offset 0 0 V DATA DATA Amplitude 400 mV Offset 0 0 V gz m e avs 533 556 lt Figure 2 1 EVM Power Connections for Either SN65LVDS125A SN65LVDS250 Evaluatio
12. i TEXAS INSTRUMENTS 4x4 Crosspoint Switch User s Guide January 2004 HPL D SLLU064A 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 should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products sold subject to Tl s terms and conditions of sale supplied at the time of order acknowledgment TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI s standard warranty Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty Except where mandated by government requirements testing of all parameters of each product is not necessarily performed TI assumes no liability for applications assistance or customer product design Customers are responsible for their products and applications using TI components To minimize the risks associated with customer products and applications customers should provide adequate design and operating safeguards TI does not warrant or represent that any license either express or implied is granted under any TI patent right copyright mask work right or other TI i
13. n Many possible configurations for the 4x4 crosspoint switches are made available Table 2 1 provides a description of the different functions and the required selector settings 2 2 2 Setup and Required Equipment Table 2 1 Crosspoint Function Table Output Channel 1 Output Channel 2 Output Channel 3 Output Channel 4 Control Input Control Input Control Input Control Input Pins Selected Pins Selected Pins Selected Pins Selected 510 511 1 12 520 S21 2 22 530 31 3 32 540 S41 47742 Apply inputs to the SMA connectors J1 J8 EVM comes with 50 resistors installed to VTERM providing a termination scheme easily adjusted to accommodate LVDS LVPECL or CML output structures See Figure 2 2 Vterm 500 or CML SN65LVDS125 Input Channels 1 4 o 50 0 Vterm Figure 2 2 Termination for Interfacing LVDS CML or LVPECL Drivers 2 3 2 Setup and Required Equipment 2 2 Observing an Output In order to minimize the parasitic capacitance in high speed measurements probe capacitance the 4x4 crosspoint switch EVM provides an offset power plane layer 5 This power plane allows the user to offset the device so that the common mode output is compatible with the 50 ohms to ground termination within the scope Terminating the EVM within the scope eliminates any bandwidth limitations introduced by a
14. ng transistors pass transistors and current sense resistors These types of devices can be identified using the EVM schematic located in the EVM User s Guide When placing measurement probes near these devices during operation please be aware that these devices may be very warm to the touch Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2003 2004 Texas Instruments Incorporated Preface Read This First About This Manual This evaluation module EVM user s guide describes the hardware theory of operation and use of the EVM for evaluating the high speed performance and functionality of either the SN65LVDS125A or SN65LVDS250 4x4 crosspoint switches How to Use This Manual Chapter 1 provides an overview of the functional configurations and signal paths Typical hardware setup and results are discussed in Chapter 2 Chapter 3 provides schematics the board layout the board layers fabrication notes and bill of materials Related Documentation from Texas Instruments SN65LVDS125A 4x4 1 5 Gbps LVDS Crosspoint Switch Data Sheet SLLS595 SN65LVDS250 4x4 2 5 Gbps LVDS Crosspoint Switch Data Sheet SLLS594 If You Need Assistance www ti com E mail technical support http www k ext ti com sc technical support email tech support asp Product Information Centers Americas 972 644 5580 Australia 1 800 999 084 Belgium English 32 0 27 45 55 32 China 108 00 886 0015
15. ntellectual property right relating to any combination machine or process in which TI products or services are used Information published by TI regarding third party products or services does not constitute a license from to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Reproduction of this information with alteration is an unfair and deceptive business practice TI is not responsible or liable for such altered documentation Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice TI is not responsible or liable for any such statements Following are URLs where you can obtain information on other Texas Instruments products and application solutions Products Applications Amplifiers amplifier ti com Audio www ti com audio Data Converters dataconverter ti com Automotive www ti com automoti
16. oint Switch EVM Board Layout Figure 3 3 Layer 1 Signal Plane 3 4 16 Figure 3 4 GND Plane 3 EVM Construction Figure 3 5 Layer 3 Vcc 3 5 Figure 3 6 Layer 4 Vcc01 Plane Figure 3 7 Layer 5 GND Plane 3 6 3 EVM Construction Figure 3 8 Layer 6 GND Signal Plane 3 3 PCB Fabrication Requirements and Stack Up Notes 3 8 oN Oa 11 12 13 14 PWB TO BE FABRICATED TO MEET OR EXCEED 6012 CLASS 3 STANDARDS AND WORKMANSHIP SHALL CONFORM TO IPC A 600 CLASS 3 CURRENT REVISIONS BOARD MATERIAL AND CONSTRUCTION TO BE UL APPROVED AND MARKED ON THE FINISHED BOARD LAMINATE MATERIAL COPPER CLAD NELCO N4000 13 DO NOT USE 13 1 COPPER WEIGHT 102 FINISHED FINISHED THICKNESS 0 062 0 010 MIN PLATING THICKNESS IN THROUGH HOLES 001 SMOBC HASL SOLDERMASK BOTH SIDES USING APPROPRIATE LAYER ARTWORK COLOR GREEN LPI SILKSCREEN AS REQUIRED COLOR WHITE VENDOR INFORMATION TO BE INCORPORATED ON BACK SIDE WHENEVER POSSIBLE MINIMUM COPPER CONDUCTOR WIDTH IS 0 009 MINIMUM CONDUCTOR SPACING IS 0 006 NUMBER OF FINISHED LAYERS 6 ALL 8 MIL HOLES TO BE PLUGGED AND COPLANAR TO SURFACE SPACING BETWEEN LAYERS 1 AND 2 SHOULD BE 0 0075 SPACING BETWEEN LAYERS 2 AND 3 SHOULD BE 0 0075 SPACING BETWEEN LAYERS 4 AND 5 SHOULD BE 0 0075 SPACING BETWEEN LAYERS 5 AND 6 SHOULD BE 0 0075 Stackup Signal Layer 1 0 0075
17. ronics training and observe good laboratory practice standards No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products or services might be or are used Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2003 2004 Texas Instruments Incorporated kis TEXAS INSTRUMENTS www ti com EVM WARNINGS AND RESTRICTIONS It is important to operate this EVM within the input voltage range of 0 7 V to 4 V and the output voltage range of 0 5 V to 4 V Exceeding the specified input range may cause unexpected operation and or irreversible damage to the EVM If there are questions concerning the input range please contact a TI field representative prior to connecting the input power Applying loads outside of the specified output range may result in unintended operation and or possible permanent damage to the EVM Please consult the EVM User s Guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 60 C The EVM is designed to operate properly with certain components above 60 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switchi
18. ve DSP dsp ti com Broadband www ti com broadband Interface interface ti com Digital Control www ti com digitalcontrol Logic logic ti com Military www ti com military Power Mgmt power ti com Optical Networking www ti com opticalnetwork Microcontrollers microcontroller ti com Security www ti com security Telephony www ti com telephony Video 8 Imaging www ti com video Wireless www ti com wireless Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright O 2003 2004 Texas Instruments Incorporated EVM IMPORTANT NOTICE Texas Instruments provides the enclosed product s under the following conditions This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not considered by TI to be fit for commercial use As such the goods being provided may not be complete in terms of required design marketing and or manufacturing related protective considerations including product safety measures typically found in the end product incorporating the goods As a prototype this product does not fall within the scope of the European Union directive on electromagnetic compatibility and therefore may not meet the technical requirements of the directive Should this evaluation kit not meet the specifications indicated in the EVM User s Guide the kit may be returned within 30 days from the date of delivery for a full refund THE FOREGOING WARR
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