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TLK1501 Serdes EVM Kit

Setup and Usage

June 2000

Mixed Signal Products

User’s Guide

SLLU008

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Summary of Contents for TLK1501

Page 1: ...TLK1501 Serdes EVM Kit Setup and Usage June 2000 Mixed Signal Products User s Guide SLLU008 ...

Page 2: ...CONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH PERSONAL INJURY OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE CRITICAL APPLICATIONS TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANTED TO BE SUITABLE FOR USE IN LIFE SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER S RISK In order to ...

Page 3: ... Laser 2 5 Gbits s SpeedBlaster Transceiver data sheet Notational Conventions This document uses the following conventions Program listings program examples and interactive displays are shown in a special typeface similar to a typewriter s Examples use a bold version of the special typeface for emphasis interactive displays use a bold version of the special typeface to distinguish commands that yo...

Page 4: ...The LALK instruction has two parameters The first parameter 16 bit con stant is required The second parameter shift is optional As this syntax shows if you use the optional second parameter you must precede it with a comma Square brackets are also used as part of the pathname specification for VMS pathnames in this case the brackets are actually part of the path name they are not optional Braces a...

Page 5: ...ntents 1 2 2 TLK1501 EVM Board Configuration 2 1 2 1 Typical Test and Setup Configurations 2 3 2 2 Optical Interfacing and Configuration 2 7 3 PCB Construction and Characteristics 3 1 A Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications A 1 B NetLight 1417K4A 1300 nm Laser 2 5 Gbits s SpeedBlaster Transceiver B 1 ...

Page 6: ...A 6 A 5 Power Plane 1 A 7 A 6 Bottom Layer 6 A 8 A 7 Bottom Layer 7 A 9 A 8 Top Layer 1 1 10 A 9 Detail of Top Layer 1 1 11 A 10 GND Layers 2 and 5 1 12 A 11 Detail of GND Layers 2 and 5 1 13 A 12 Power Plane 1 1 14 A 13 Detail of Power Plane 1 1 15 A 14 Bottom Layer 6 1 16 A 15 Detail of Bottom Layer 6 1 17 A 16 Bottom Layer 6 1 18 A 17 Detail of Bottom Layer 6 1 19 Tables 2 1 Default Transceiver...

Page 7: ...ter and receiver connectors The TLK1501 using high speed PLL technology serializes encodes 8b 10b and transmits data along one differential pair The receiver part of the device deserializes decodes and presents data on the parallel bus The high speed up to 1 6 Gbps data lines interface to four 50 Ω controlled impedance SMA connectors The designer can either use this copper interface directly or lo...

Page 8: ...connecting transmission lines Vias are minimized and when necessary placed as close as possible to the device drivers Since the board contains both serial and parallel transmission lines care was taken to control both impedance and trace length mismatch board skew Overall the board layout is designed and optimized to support high speed operation Thus understanding impedance control and transmissio...

Page 9: ...operation The J20 header indicates the optical transmitter has detected a signal and J21 allows the operator to disable the optical transceiver The power planes are split three ways to provide power for different parts of the board This prevents coupling of switching noise between the analog and digital sections of the TLK1501 and provides voltage isolation for the laser section The laser section ...

Page 10: ... Jumper installed Logic 0 Disables the TLK1501 internal loop back mode J7 TXEN Jumper not installed Logical 1 Puts the TLK1501 in a state to transmit TX bus data L3 VDD bridge VDDA Joins VDD and VDDA power planes C24 C25 TX ac coupling capacitors These capacitors normally installed are provided to ac couple the transmitted signal C22 C23 RX ac coupling capacitors These capacitors normally installe...

Page 11: ...X_ER low and TX_EN high The TLK1501 device encodes serializes and presents the data on the high speed serial pair The serial TX data is then looped back to the receiver side and the device deserializes decodes and presents the data on the receive side RD0 RD15 The data and indication bits RX_DV and RX_ER are received by the BERT and compared against the transmitted pattern and monitored for valid ...

Page 12: ...cts The PRBS pattern is compatible with most serial BERT test equipment This function allows the operator to isolate and test the transmitter and receiver independently A typical configuration is shown in Figure 2 3 The dashed lines represent optional connections that can be made monitoring eye patterns and measuring jitter Figure 2 2 TLK1501 Serial Loop Back Test Configuration Channel 1 TDS820 Di...

Page 13: ...RT Data Out Data Out CLK 20 Jumper Selection A board to board communication link is a practical method of evaluating the TLK1501 in a system like environment as shown in Figure 2 4 A Parallel BERT or a logic analyzer can be used to provide and monitor signals to and from the transceiver pairs The BERT would need to configure the TX_ER and TX_EN signals for data transmission before any data is sent...

Page 14: ... BERT Frequency 30 80 MHz CLK IN RX Data In 0 17 18 bits Receiver BERT Transmitter BERT CLK Out 18 bits TD 0 15 GTX_CLK RX RD 0 15 TD 0 15 RX_CLK RX_ER Rx_DV TLK1501EVM 2 Evaluation Board EVM2 PRBS Disabled TX RX TX Synchronous Asynchronous Board configued to send IDLE pattern TX_EN 0 TX_ER 0 Jumper Selection TX_EN GND LOOPEN TX_ER ENABLE LCKREFN PRBSEN TESTEN GND J7 EVM 2 EXT INPUT HP8133A Pulse ...

Page 15: ...coupling must be used Both ac and dc coupling schemes are shown in Figure 2 5 The Laser Module Section of the EVM is configured as an ac coupled optics module The board is shipped with an ac coupled output and all that is required is external loopback cabling Figure 2 5 Optical Interface Configuration 50 Ω TLK1501 TX VDD CMLDC bias levels voltage VDD 1 V Optical Module DC Coupling 50 Ω TLK1501 TX ...

Page 16: ...Optical Interfacing and Configuration 2 8 TLK2500 EVM Board Configuration Figure 2 6 TLK1501 EVM to Laser Module Configuration ...

Page 17: ...Construction and Characteristics The PCB characteristics are calculated and based on the layer construction and trace width of the board This should be useful in determining the proper interface to the EVM and establishing system timing Chapter 3 ...

Page 18: ... 9 260 3 49 RXD2 RD2 0 0118 1 802 5 0 13 5 51 9 259 9 47 RXD3 RD3 0 0118 1 862 5 2 13 9 51 9 268 5 46 RXD4 RD4 0 0118 1 866 5 2 14 0 51 9 269 1 45 RXD5 RD5 0 0118 1 876 5 2 14 0 51 9 270 5 44 RXD6 RD6 0 0118 1 880 5 2 14 1 51 9 271 1 42 RXD7 RD7 0 0118 1 865 5 2 14 0 51 9 268 9 40 RXD8 RD8 0 0118 1 860 5 2 13 9 51 9 268 2 39 RXD9 RD9 0 0118 1 860 5 2 13 9 51 9 268 2 37 RXD10 RD10 0 0118 1 863 5 2 ...

Page 19: ...7 Mil Layer 6 Notes 1 All cores consist of 1 oz Cu 2 Trace width A 25 mils for 50 Ω Layer 1 B 11 8 mils for 50 Ω Layer 6 3 Overall board thickness is 62 mils 5 mil 4 Copper and solder mask adds approximately 10 mils to the overall board thickness 5 Impedance is 50 Ω 5 6 Material is G Tek Dielectric constant 3 9 7 For overall thickness add 1 2 to 1 4 mils for each metal layer in the stack up ...

Page 20: ...3 4 ...

Page 21: ...s Board Layouts and Suggested Optics and Cable Assembly Specifications This appendix contains schematics and corresponding bill of materials for the TLK1501EVM transceiver board along with board layouts Specifications for the NetLight 1417K4A 1300 nm laser assembly are also included Appendix A ...

Page 22: ... R34 C23 0 01 49 9 R36 0 01 C40 0 01 C41 VDDA2 VDDA1 3 5 7 9 11 13 4 6 8 10 12 14 15 16 1 2 J3 R3 51 51 R4 R5 51 C18 0 01 VDD J15 R2 51 C17 0 01 3 1 2 4 J6 R1 51 VDD J2 R16 R17 R18 R19 R20 R13 10k R14 R15 VDD R24 0 VDD VDD R6 4 7k 0 01 C16 R9 R8 R7 R12 9 1 3 5 7 11 13 J7 R10 R11 3 5 7 9 11 13 4 6 8 10 12 14 15 16 1 2 J4 0 01 C11 L1 J16 VDDA VDDA1 0 01 C13 0 01 C10 VDDA2 VDD L2 C8 4 7 C7 0 01 C1 0 ...

Page 23: ...A 3 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 2 Optical Transceiver Schematic ...

Page 24: ...ma 600 Ω 10 2 Digi Key S1111 02 ND J15 J20 Jumper Header 1 2 0 1 Center 11 1 Lucent 1417K4A LAS U2 Laser Transceiver 2 5 Gbps 12 2 Digi Key TSW 110 07 G D R21 R24 Resistor SMT 0402 0 Ω 13 7 ANY P4 75KLTC ND R6 R12 Resistor SMT 0402 4 7 kΩ 14 16 Digi Key P10 0KLTC ND R15 R20 R25 R32 Resistor SMT 0402 10 kΩ 15 5 Digi Key P49 9LCT ND R23 R35 R36 R37 R38 Resistor SMT 0402 49 9 Ω 16 2 Digi Key P130LTC ...

Page 25: ...A 5 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 3 Top Layer 1 ...

Page 26: ...A 6 Figure A 4 GND Layers 2 and 5 ...

Page 27: ...A 7 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 5 Power Plane 1 ...

Page 28: ...A 8 Figure A 6 Bottom Layer 6 ...

Page 29: ...A 9 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 7 Bottom Layer 7 ...

Page 30: ...A 10 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 8 Top Layer 1 ...

Page 31: ...A 11 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 9 Detail of Top Layer 1 R5 R4 R3 R2 R1 R21 R22 R23 R24 open Pin 1 0 0 ...

Page 32: ...A 12 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 10 GND Layers 2 and 5 ...

Page 33: ...A 13 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 11 Detail of GND Layers 2 and 5 ...

Page 34: ...A 14 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 12 Power Plane 1 ...

Page 35: ...A 15 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 13 Detail of Power Plane 1 ...

Page 36: ...A 16 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 14 Bottom Layer 6 ...

Page 37: ...A 17 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 15 Detail of Bottom Layer 6 ...

Page 38: ...A 18 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 16 Bottom Layer 6 ...

Page 39: ...A 19 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications Figure A 17 Detail of Bottom Layer 6 ...

Page 40: ...A 20 Schematics Board Layouts and Suggested Optics and Cable Assembly Specifications ...

Page 41: ...ts s SpeedBlaster Transceiver The document shown in this appendix is an advanced information data sheet from Lucent Technologies Inc Topic Page NetLight 1417K4A 1300 nm Laser 2 5 Gbits s Speedmaster Transceiver Data Sheet B 2 Appendix B Lucent NetLight and Speedmaster are a trademarks of Lucent Technologies Inc ...

Page 42: ...B 2 ...

Page 43: ...B 3 NetLight 1417K4A 1300 nm Laser 2 5 Gbits s SpeedBlaster Transceiver ...

Page 44: ...B 4 ...

Page 45: ...B 5 NetLight 1417K4A 1300 nm Laser 2 5 Gbits s SpeedBlaster Transceiver ...

Page 46: ...B 6 ...

Page 47: ...B 7 NetLight 1417K4A 1300 nm Laser 2 5 Gbits s SpeedBlaster Transceiver ...

Page 48: ...B 8 ...

Page 49: ...B 9 NetLight 1417K4A 1300 nm Laser 2 5 Gbits s SpeedBlaster Transceiver ...

Page 50: ...B 10 ...

Page 51: ...B 11 NetLight 1417K4A 1300 nm Laser 2 5 Gbits s SpeedBlaster Transceiver ...

Page 52: ...B 12 ...

Page 53: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TLK1501EVM ...

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