Instruction/ maintenance manual of the product HPL-D SLLU064A Texas Instruments
Go to page of 27
January 2004 HPL-D SLLU064A 4x4 Crosspoint Switch EVM Us e r ' s G u i d e User's Guide.
IMPO RT A NT NOT ICE Texas Instr uments Incorpor ated and i ts su bsidiaries (TI) re serve the ri ght to ma ke corre ctions, mo dificat ions, enhance ments, improvement s, and other cha nges to its pro ducts and serv ices at any time and to discon tinue any produc t or service w ithout notice.
3 www.ti.com EVM IMPORTANT NOTICE Texas Instru ments (T I) provide s the enclo sed product( s) und er the follow ing condi tions: This evalu ation kit b eing s old by TI i s intended f or use f or ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not cons idered by TI to be fit for commercia l use.
EVM WARNINGS AND RESTRICTIONS It is importa nt to opera te this EVM within the in put voltage r ange of -0.7 V to 4 V and t he ou tput voltage r ange of -0.5 V to 4 V. Exceeding the sp ecifie d input range may cause unex pected operat ion and/or irrev ersibl e damage to the EVM.
iii Preface Read This First About This Manual This evaluatio n module ( EVM) user ’s guid e descr ibes the h ardware, the ory of operati on, and use of the EV M for eval uating the high-s peed perform ance and func tionalit y of either the S N65LVD S125A or SN65LVDS 250 4x4 cr osspoint s witches.
iv Korea 08 0-551-280 4 Malaysia 1- 800-80-397 3 Netherlan ds (Englis h) +31 (0) 546 87 95 45 New Zeala nd 0800-446- 934 Phillippi nes 1-800-76 5-7404 Singapor e 800-886- 1028 Spain +3 4 902 35 4 0 28.
v Contents Read Th is Firs t ................................................................................................................ iii About This M anual.......................................................................................
Tables vi Figure 3-6. Lay er 4–Vcc01 Plane ..................................................................................3-6 Figure 3-7. Lay e r 5–GND Plane ....................................................................................3-6 Figure 3-8.
1-1 Chapter 1 1 Overview This chapter provi des a hig h-level desc ription of the 4x 4 crosspoint s witch EVM m ounted with ei ther a SN6 5LVDS125 A, 4x4 1.5- Gbps or a SN65LVDS 250, 4x4 2 .5-Gbps cros spoint switc h. Topic Page 1.1 Sample Functio nal Confi gurations 1-2 1.
1 Overv iew 1-2 1.1 Sample Functional C onfigurations The 4x 4 crosspoint s witch is a full y non-bl ocking sw itch that pr ovides flexibi lity in s witch conf iguratio n for the desired ap plic ation. A sam ple of vari ous functi ons for which the E VMs can be config ured is shown in Figure 1- 1.
1 Overv iew 1-3 Figure 1-2 shows the 4x 4 crosspoint s witch EVM (part num ber SN65LVDS 125A or SN6 5LVDS250). The EVM c omes with either th e SN65LVDS 125A or SN6 5LVDS250 installed and a co py of the data s heet. The lates t versio n of the da ta sheet is a lso avail able from www.
1 Overv iew 1-4 1.2 Signal P aths The s ignal paths on this EV M (see Fi gure 1-3) inc lude: ❏ ❏ ❏ ❏ Sixteen e dge-launc h SMA connectors ( J1–J16) for high-s peed data trans miss ion ❏ .
2-1 Chapter 2 2 Setup and Required Equipment Both the SN 65LVD S125A and the SN6 5LVDS250 L VDS driv er output character istics are c ompli ant with t he requirem ents of the T IA/EIA-6 44 standard. LVDS dri vers nom inally provid e a 350- mV dif ferential s ignal, wit h a 1.
2 Setup an d Requir ed Equipment 2-2 DA TA, D AT A A mpl it ude: 400 mV Off s e t : 0 . 0 V DA T A , D A TA Am pl itu d e: 400 m V Offset: 0.0 V ` U1 1 J18 J2 0 VTE RM GN D J4 J3 J1 J2 J1 5 J16 J14 J1.
2 Setup an d Requir ed Equipment 2-3 Table 2-1 Crosspoint Function Table Output Channel 1 Output Channel 2 Output Channel 3 Output Channel 4 Control Pins Input Selected Control Pins Input Selected Con.
2 Setup an d Requir ed Equipment 2-4 2.2 Observing an Out put In order to m inim ize the paras itic capacita nce in hig h-speed m easurem ents (probe cap acitance), th e 4x4 c rosspoint s witch EV M provides a n offs et power pla ne (layer 5) .
2 Setup an d Requir ed Equipment 2-5 Figure 2-3. Typical Test Results..
2 Setup an d Requir ed Equipment 2-6.
EVM Cons truction 3-1 Chapter 3 3 EVM Construction This chapter prese nts the sc hematic s, board layouts , fabricat ion inform ation, and th e bill of m aterials. Topic Page 3.1 Schematic 3-2 3.2 Board Lay out Patterns 3-3 3.3 PCB Fabri cation Require ments and Stack Up 3-8 3.
3-2 3.1 Schemati c Figure 3-1. 4x4 Crosspoint Switch EVM Schematic SN65LVD S125A or SN65LVD S250 U1.
3 EVM Cons truction 3-3 3.2 Board Lay out Patterns Figure 3-2. 4x4 Crosspoint Switch EVM Board Layout 4X4 Crosspoi nt Switch EVM SN65LVDS 125A SN65LVDS 250 A/W # 6456526.
3-4 Figure 3-3. Layer 1–Signal Plane.
3 EVM Cons truction 3-5 Figure 3-4. GND Plane Figure 3-5. Layer 3–Vcc.
3-6 Figure 3-6. Layer 4–Vcc01 Plane Figure 3-7. Layer 5–GND Plane.
3 EVM Cons truction 3-7 Figure 3-8. Layer 6–GND/Signal Plane.
3-8 3.3 PCB Fabrication Req uirements and St ack Up Stackup Signa l: La y er 1 Notes: 1. PW B TO BE FABRI CATED TO MEET OR EXCEED I PC-6012 , CLASS 3 STANDARDS AND W O RKMANSHIP SHALL CONFO RM TO IP C-A- 600, CLASS 3 CURRENT REVISIO NS 2. B OA RD MATERI AL AN D CONST RUCTI ON T O B E UL APPROVED AND MARKED O N THE FINI SHED BOARD.
3 EVM Cons truction 3-9 3.4 Bill of Materials Table 3-2. Bill of Materials f or SN65LVDS125A / SN65LVDS250 EVM Item 6456526-1 Qt y 6456526-2 Qt y 6456526-3 Qt y Description Pattern Reference Designator 1 9 9 9 0.001 µF 402 C2, C3, C4, C5, C6, C7, C8, C9, C10 2 2 2 2 0.
An important point after buying a device Texas Instruments HPL-D SLLU064A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Texas Instruments HPL-D SLLU064A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Texas Instruments HPL-D SLLU064A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Texas Instruments HPL-D SLLU064A you will learn all the available features of the product, as well as information on its operation. The information that you get Texas Instruments HPL-D SLLU064A will certainly help you make a decision on the purchase.
If you already are a holder of Texas Instruments HPL-D SLLU064A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Texas Instruments HPL-D SLLU064A.
However, one of the most important roles played by the user manual is to help in solving problems with Texas Instruments HPL-D SLLU064A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Texas Instruments HPL-D SLLU064A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
