2417K4A

Data Sheet, Rev. 1 August 2001 NetLight ® 2417K4A 1300 nm Laser 2.5 Gbits/s Transceiver s s s s TTL signal-detect output Low power dissipation Single 3.3 V power supply LVPECL/CML compatible data inputs and CML compatible data outputs Operating temperature range: 0 °C to 70 °C Agere Systems Inc. Reliability and Qualification Program for built-in quality and reliability s s Description Available in a small form-factor, RJ-45 size, plastic package, the 2417K4A Transceiver is a high-performance, cost-effective, optical transceiver for SONET applications. Features s s SONET SR OC-48, SDH I-16 applications High-speed, optical data interface for shelf-to-shelf interconnect Small form factor, RJ-45 size, 10-pin package LC duplex receptacle Uncooled 1300 nm laser transmitter with automatic output power control Transmitter disable input Wide dynamic range receiver with InGaAs PIN photodetector The 2417K4A transceiver is a high-speed, cost-effective optical transceiver intended for 2.488 Gbits/s shelf-to-shelf optical interconnect applications as well as SONET SR OC-48 and SDH I-16. The transceiver features proven Agere Systems optics and is packaged in a narrow-width plastic housing with an LC duplex receptacle. The receptacle fits into an RJ-45 form factor outline. The 10-pin package pinout conforms to a multisource transceiver agreement. The transmitter features the ability to interface to both LVPECL and CML differential logic level data inputs. It also features a TTL logic level disable input. The receiver features differential CML logic level outputs and a TTL logic level signal-detect output. s s s s s NetLight 2417K4A 1300 nm Laser 2.5 Gbits/s Transceiver Data Sheet, Rev. 1 August 2001 Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability. Parameter Supply Voltage Operating Case Temperature Range Storage Temperature Range Lead Soldering Temperature/Time Operating Wavelength Range Symbol VCC TC Tstg — λ Min 0 0 –40 — 1.1 Max 5 70 85 250/10 1.6 Unit V °C °C °C/s µm Pin Information 54321 6 7 8 9 10 RX TX Figure 1. 2417K4A Transceiver, 10-Pin Configuration, Top View Table 1. Transceiver Pin Descriptions Pin Number MS Symbol Name/Description Logic Family 1-967 MS 1 2 3 VEER VCCR SD 4 5 6 7 8 9 10 RD– RD+ VCCT VEET TDIS TD+ TD– Receiver Mounting Studs. The mounting studs are provided for transceiver NA mechanical attachment to the circuit board. They may also provide an optional connection of the transceiver to the equipment chassis ground. Receiver Signal Ground. NA Receiver Power Supply. NA Signal Detect. LVTTL Normal operation: logic one output. Fault condition: logic zero output. Received DATA Out. CML Received DATA Out. CML Transmitter Transmitter Power Supply. NA Transmitter Signal Ground. NA Transmitter Disable. LVTTL Transmitter DATA In. An internal 50 Ω termination is provided, con- LVPECL sisting of a 100 Ω resistor between the TD+ and TD– pins. or CML Transmitter DATA In. See TD+ pin for terminations. LVPECL or CML 2 Agere Systems Inc. Data Sheet, Rev. 1 August 2001 NetLight 2417K4A 1300 nm Laser 2.5 Gbits/s Transceiver Electrostatic Discharge Caution: This device is susceptible to damage as a result of electrostatic discharge (ESD). Take proper precautions during both handling and testing. Follow EIA ® Standard EIA-625. Although protection circuitry is designed into the device, take proper precautions to avoid exposure to ESD. Agere Systems employs a human-body model (HBM) for ESD susceptibility testing and protection-design evaluation. ESD voltage thresholds are dependent on the critical parameters used to define the model. A standard HBM (resistance = 1.5 kΩ, capacitance = 100 pF) is widely used and, therefore, can be used for comparison purposes. The HBM ESD threshold established for the 2417K4A transceiver is ±1000 V. Multilayer construction also permits the routing of sensitive signal traces away from high-level, high-speed signal lines. To minimize the possibility of coupling noise into the receiver section, high-level, high-speed signals such as transmitter inputs and clock lines should be routed as far away as possible from the receiver pins. Noise that couples into the receiver through the power supply pins can also degrade performance. It is recommended that a pi filter, shown in Figure 3, be used for both the transmitter and receiver power supplies. Data and Signal Detect Outputs Due to the high switching speeds of CML outputs, transmission line design must be used to interconnect components. To ensure optimum signal fidelity, both data outputs (RD+/RD–) should be terminated identically. The signal lines connecting the data outputs to the next device should be equal in length and have matched impedances. Controlled impedance stripline or microstrip construction must be used to preserve the quality of the signal into the next component and to minimize reflections back into the receiver, which could degrade its performance. Excessive ringing due to reflections caused by improperly terminated signal lines makes it difficult for the component receiving these signals to decipher the proper logic levels and can cause transitions to occur where none were intended. Also, by minimizing high-frequency ringing, possible EMI problems can be avoided. The signal-detect output is positive LVTTL logic. A logic low at this output indicates that the optical signal into the receiver has been interrupted or that the light level has fallen below the minimum signal-detect threshold. This output should not be used as an error rate indicator, since its switching threshold is determined only by the magnitude of the incoming optical signal. SINGLE ENDED VOH DATA VOL DIFFERENTIAL VOH DATA VOL Application Information The 2417 receiver section is a highly sensitive fiberoptic receiver. Although the data outputs are digital logic levels (CML), the device should be thought of as an analog component. When laying out system application boards, the 2417 transceiver should receive the same type of consideration one would give to a sensitive analog component. Printed-Wiring Board Layout Considerations A fiber-optic receiver employs a very high gain, widebandwidth transimpedance amplifier. This amplifier detects and amplifies signals that are only tens of nA in amplitude when the receiver is operating near its sensitivity limit. Any unwanted signal currents that couple into the receiver circuitry cause a decrease in the receiver's sensitivity and can also degrade the performance of the receiver's signal detect (SD) circuit. To minimize the coupling of unwanted noise into the receiver, careful attention must be given to the printedwiring board. At a minimum, a double-sided printed-wiring board (PWB) with a large component-side ground plane beneath the transceiver must be used. In applications that include many other high-speed devices, a multilayer PWB is highly recommended. This permits the placement of power and ground on separate layers, which allows them to be isolated from the signal lines. Figure 2. Data Input/Output Logic Level Definitions Agere Systems Inc. 3 NetLight 2417K4A 1300 nm Laser 2.5 Gbits/s Transceiver Data Sheet, Rev. 1 August 2001 Application Information (continued) Transceiver Processing When the process plug is placed in the transceiver's optical port, the transceiver and plug can withstand normal wave soldering and aqueous spray cleaning processes. However, the transceiver is not hermetic, and should not be subjected to immersion in cleaning solvents. The transceiver case should not be exposed to temperatures in excess of 125 °C. The transceiver pins can be wave soldered at 250 °C for up to 10 seconds. The process plug should only be used once. After removing the process plug from the transceiver, it must not be used again as a process plug; however, if it has not been contaminated, it can be reused as a dust cover. Transceiver Optical and Electrical Characteristics Table 2. Transmitter Optical and Electrical Characteristics (TC = 0 °C to 70 °C; VCC = 3.135 V—3.465 V) Parameter Average Optical Output Power (EOL) Optical Wavelength Spectral Width Dynamic Extinction Ratio Output Optical Eye Power Supply Current Input Data Voltage: Single Ended* Differential* Transmit Disable Voltage† Transmit Enable Voltage† Symbol Min Max Unit PO –10.0 –3.0 dBm λC 1266 1360 nm ∆λRMS — 4 nm EXT 8.2 — dB Compliant with SONET GR-253-CORE and ITU-T G.957 Eye Mask Requirements ICCT — 190 mA VINp-p VINp-p VD VEN 150 300 VCC – 0.9 VEE 800 1600 VCC VEE + 0.8 mVp-p mVp-p V V * 50 ¾ load, measured single ended. Differential operation is necessary for optimum performance. (See Figure 2 for visual representation.) † TTL compatible interface. Table 3. Receiver Optical and Electrical Characteristics (TC = 0 °C to 70 °C; VCC = 3.135 V—3.465 V) Parameter Average Sensitivity:* 800 mV (CML) Differential Input To Transmitter Maximum Input Power* Power Supply Current Output Data Voltage: Single Ended† Differential† Signal-detect Switching Threshold: Assert Deassert Signal-detect Hysteresis Signal-detect Voltage:‡ Low High Signal-detect Response Time Symbol PI PMAX ICCR VOUTp-p VOUTp-p LSTD LSTI HYS VOL VOH SDRT Min — –3 — 300 600 –45 — 0.5 0.0 2.4 — Max –18 — 110 500 1000 –19 –18.5 6 0.8 VCC 100 Unit dBm dBm mA mVp-p mVp-p dBm dBm dB V V µs * 223 – 1 PRBS with a BER of 1 x 10–10. † 50 ¾ load, measured single ended. Differential operation is necessary for optimum performance.(See Figure 2 for visual representation.) ‡ TTL compatible interface. 4 Agere Systems Inc. Data Sheet, Rev. 1 August 2001 NetLight 2417K4A 1300 nm Laser 2.5 Gbits/s Transceiver Qualification and Reliability To help ensure high product reliability and customer satisfaction, Agere Systems is committed to an intensive quality program that starts in the design phase and proceeds through the manufacturing process. Optoelectronic modules are qualified to Agere Systems internal standards as well as other appropriate industry standards using MILSTD-883 test methods and procedures and using sampling techniques consistent with Telcordia Technologies ® requirements. In addition, the design, development, and manufacturing facilities of Agere Systems Optoelectronics unit are certified to be in full compliance with the latest ISO ®-9001 quality system standards. Electrical Schematic VEET TD– TRANSMITTER DRIVER 100 Ω R TD+ 7 10 9 VCCT SFF TRANSCEIVER VCCR 6 C4 2 L2 VCC C5 L1 C1 L1 = L2 = 1 µH—4. 7 µH* C1 = C2 = 10 nF† C3 = 4.7 µF—10 µF C4 = C5 = 4.7 µF—10 µF C2 RD+ PREAMP RECEIVER POSTAMPLIFIER RD– 5 4 C3 SD VEER 3 1 * Ferrite beads can be used as an option. † For all capacitors, MLC caps are recommended Figure 3. Power Supply Filtering of SFF Transceiver 1-968(F).a Agere Systems Inc. 5 NetLight 2417K4A 1300 nm Laser 2.5 Gbits/s Transceiver Data Sheet, Rev. 1 August 2001 Electrical Data Interface—Current Mode Logic (CML) VCC (+3.3 V) VCC (+3.3 V) TD+ 100 Ω TD– Z = 50 Ω Z = 50 Ω CML (A) TRANSMITTER INTERFACE—dc COUPLED—(CML) VCC (+3.3 V) VCC (+3.3 V) RD+ Z = 50 Ω Z = 50 Ω CML RD– (B) RECEIVER INTERFACE—dc COUPLED—(CML) Figure 4. 3.3 V Transceiver Interface with 3.3 V ICs and CML 1-1033(F).c 6 Agere Systems Inc. Data Sheet, Rev. 1 August 2001 NetLight 2417K4A 1300 nm Laser 2.5 Gbits/s Transceiver Alternate Electrical Data Interface Options VCC (+3.3 V) VCC (+3.3 V) 130 Ω TD+ 0.1 µF* 100 Ω 0.1 µF* TD– Z = 50 Ω Z = 50 Ω LVPECL 130 Ω * OPTIONAL ac COUPLING CAPACITORS; USE CERAMIC X7R OR EQUIVALEN T (A) TRANSMITTER INTERFACE—ac OR dc COUPLED—(LVPECL) VCC (+3.3 V) VCC (+3.3 V) 0.1 µF RD+ RD– 0.1 µF Z = 50 Ω Z = 50 Ω CML (B) RECEIVER INTERFACE—ac COUPLED—(CML) 1-1033(F).b Figure 5. 3.3 V Transceiver Interface with 3.3 V ICs Agere Systems Inc. 7 NetLight 2417K4A 1300 nm Laser 2.5 Gbits/s Transceiver Data Sheet, Rev. 1 August 2001 Outline Diagrams Package Outline Dimensions are in inches and (millimeters). 1.914 (48.62) 0.535 MAX (13.59) 0.246 (6.25) 0.386 MAX (9.80) 0.014 (0.36) 0.160 (4.06) 0.018 (0.46) 0.280 (7.11) 0.070 (1.78) 0.700 (17.78) 0.400 (10.16) 0.734 (18.64) 0.150 (3.81) 1-1032(F).d 8 Agere Systems Inc. Data Sheet, Rev. 1 August 2001 NetLight 2417K4A 1300 nm Laser 2.5 Gbits/s Transceiver Outline Diagrams (continued) Printed-Wiring Board Layout *, † Dimensions are in inches and (millimeters). 3.00 (0.118) 7.59 (0.299) 13.34 (0.525) A (2x) ∅ 2.29 MAX (0.090) AREA FOR EYELETS 3.00 (0.118) (2x) ∅ 1.4 ± 0.1 NOTE 1 (0.055 ± 0.004) ∅ 0.00 M A 4.57 (0.180) 8.89 (0.350) 7.11 (0.280) 6.00 (0.236) (9x) 1.78 (0.070) (2x) ∅ 0.81 ± 0.1 (0.032 ± 0.004) ∅ 0.00 M A 16.00 REF (0.630) 3.08 (0.121) 3.56 (0.140) 2.00 (0.79) (2x) ∅ 2.29 MAX (0.090) 2.01 (0.79) 9.59 (0.378) 10.16 (0.400) (4x) ∅ 1.4 ± 0.1 NOTE 2 (0.055 ± 0.004) ∅ 0.00 M A NOTES: 1. HOLES FOR MOUNTING STUDS MUST BE TIED TO CHASSIS GROUND. 2. HOLES FOR HOUSING LEADS MUST BE TIED TO SIGNAL GROUND. 1-1271(F) * The hatched areas are keep-out areas reserved for housing standoffs. No metal traces of ground connection in keep-out area. † Twenty-pin module shown; 10-pin module requires only 16 PWB holes. Agere Systems Inc. 9 NetLight 2417K4A 1300 nm Laser 2.5 Gbits/s Transceiver Data Sheet, Rev. 1 August 2001 Outline Diagrams (continued) Recommended Panel Opening Dimensions are in inches and (millimeters). 0.400 (10.16) 0.590 TO 0.620 (14.99 TO 15.75) 0.560 (14.22) 0.039 TO 0.098 (1.00 TO 2.49) 1-1088(F).d 10 Agere Systems Inc. Data Sheet, Rev. 1 August 2001 NetLight 2417K4A 1300 nm Laser 2.5 Gbits/s Transceiver Laser Safety Information Class I Laser Product FDA/CDRH Class I laser product. All versions of the transceiver are Class I laser products per CDRH, 21 CFR 1040 Laser Safety requirements. All versions are Class I laser products per IEC ® 60825-1:1993. The transceiver has been certified with the FDA under accession number 9520668. CAUTION: Use of controls, adjustments, and procedures other than those specified herein may result in hazardous laser radiation exposure. This product complies with 21 CFR 1040.10 and 1040.11. Wavelength = 1.3 µm Maximum power = 1.0 mW Because of size constraints, laser safety labeling is not affixed to the module but is attached to the outside of the shipping carton. Product is not shipped with power supply. NOTICE Unterminated optical connectors may emit laser radiation. Do not view with optical instruments. Agere Systems Inc. 11 NetLight 2417K4A 1300 nm Laser 2.5 Gbits/s Transceiver Data Sheet, Rev. 1 August 2001 Ordering Information Description 2.5 Gbits/s 2 x 5 SFF LC Transceiver Device Code 2417K4A Comcode 108685587 EIA is a registered trademark of The Electronic Industries Association. Telcordia Technologies is a registered trademark of Telcordia Technologies, Inc. ISO is a registered trademark of The International Organization for Standardization. IEC is a registered trademark of The International Electrotechnical Commission. For additional information, contact your Agere Systems Account Manager or the following: http://www.agere.com INTERNET: docmaster@agere.com E-MAIL: N. AMERICA: Agere Systems Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18109-3286 1-800-372-2447, FAX 610-712-4106 (In CANADA: 1-800-553-2448, FAX 610-712-4106) ASIA: Agere Systems Hong Kong Ltd., Suites 3201 & 3210-12, 32/F, Tower 2, The Gateway, Harbour City, Kowloon Tel. (852) 3129-2000, FAX (852) 3129-2020 CHINA: (86) 21-5047-1212 (Shanghai), (86) 10-6522-5566 (Beijing), (86) 755-695-7224 (Shenzhen) JAPAN: (81) 3-5421-1600 (Tokyo), KOREA: (82) 2-767-1850 (Seoul), SINGAPORE: (65) 778-8833, TAIWAN: (886) 2-2725-5858 (Taipei) Tel. (44) 7000 624624 , FAX (44) 1344 488 045 EUROPE: Agere Systems Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application. NetLight is a registered trademark of Agere Systems Inc. Copyright © 2001 Agere Systems Inc. All Rights Reserved August 2001 DS00-107OPTO-1 (Replaces DS00-107OPTO)