Agilent HFCT-59L1ATL Single Mode Laser Transceivers for Gigabit Ethernet and Fibre Channel Applications (1.0625/1.25 Gb/s) Data Sheet Description The HFCT-59L1ATL transceiver is a high performance, cost effective module for serial optical data communications applications operating at 1.0625 Gb/s and 1.25 Gb/s. This module is designed for single mode fiber and operates at a nominal wavelength of 1310 nm. It incorporates high performance, reliable, long wavelength optical devices and proven circuit technology to give long life and consistent service. The transmitter section incorporates a 1310 nm Fabry Perot (FP) laser. The transmitter has full IEC 825 and CDRH Class 1 eye safety. The receiver section uses an MOVPE grown planar SEDET PIN photo detector for low dark current and excellent responsivity. The transceiver is supplied in the industry standard 2 x 5 DIP style package with the LC fiber connector interface and is footprint compatible with SFF Multi Source Agreement (MSA). Features • 10 km Links with 9/125 µm single mode fiber (SMF) • 550 m links in 62.5/125 µm multimode fiber (MMF) • Compliant with ANSI Fiber Channel Physical Interfaces (FCPI) Rev 13 • Compliant to IEEE 802.3, 2000 Edition • Compliant to Small Form Factor MSA specifications • 2 x 5 package style with LC receptacle • Single +3.3 V power supply • Case operating temperature range: HFCT-59L1ATL-10°C to +85°C • Manufactured in an ISO9002 certified facility • Fully Class 1 CDRH/IEC 825 compliant • Wave solder and aqueous wash process compatible Applications • Mass storage system I/O • Computer system I/O • High speed peripheral interface • High speed switching systems • Host adaptor I/O Functional Description Receiver Section Design The receiver section for the HFCT-59L1ATL contains an InGaAs/InP photo detector and a pre-amplifier mounted in an optical subassembly. This optical subassembly is coupled to a post-amplifier/decision circuit on a circuit board. The design of the optical assembly is such that it provides better than 12 dB Optical Return Loss (ORL). Figure 1 also shows a filter function which limits the bandwidth of the pre-amplifier output signal. The filter is designed to bandlimit the preamplifier output noise and thus improve the receiver sensitivity. These components will reduce the sensitivity of the receiver as the signal bit rate is increased above 1.25 Gb/s. The post-amplifier is ac coupled to the pre-amplifier as illustrated in Figure 1. The coupling capacitors are capable of passing the Gigabit Ethernet test pattern at 1.0625 Gb/s without any significant distortion or performance penalty. If a lower signal rate, or a code which has significantly more low frequency content is used, sensitivity, jitter and pulse distortion could be degraded. Figure 1. Receiver Block Diagram 2 PECL OUTPUT BUFFER AMPLIFIER GND The Signal Detect Circuit The signal detect circuit works by sensing the peak level of the received signal and comparing this level to a reference. The SD output is low voltage TTL. DATA OUT FILTER TRANSIMPEDANCE PREAMPLIFIER Noise Immunity The receiver includes internal circuit components to filter power supply noise. However under some conditions of EMI and power supply noise, external power supply filtering may be necessary (see Application Section). SIGNAL DETECT CIRCUIT TTL OUTPUT BUFFER DATA OUT SD Functional Description Transmitter Section Design A schematic diagram for the transmitter is shown in Figure 2. The HFCT-59L1ATL incorporates an FP laser and has been designed to be compliant with IEC 825 eye safety requirements under any single fault condition and CDRH under normal operating conditions. The optical output is controlled by a custom IC that detects the laser output via the monitor photodiode. This IC provides both dc and ac current drive to the laser to ensure correct modulation, eye diagram and extinction ratio over temperature, supply voltage and operating life. FP LASER DATA LASER MODULATOR DATA PECL INPUT LASER BIAS DRIVER LASER BIAS CONTROL Figure 2. Simplified Transmitter Schematic 3 PHOTODIODE (rear facet monitor) Package The overall package concept for the device consists of the following basic elements; two optical subassemblies, two electrical subassemblies and the housing as illustrated in the block diagram in Figure 3. The package outline drawing and pin out are shown in Figures 4 and 5. The details of this package outline and pin out are compliant with the multisource definition of the 2 x 5 DIP. The electrical subassemblies consist of high volume multilayer printed circuit boards on which the IC and various surface-mounted passive circuit elements are attached. The receiver electrical subassembly includes an internal shield for the electrical and optical subassembly to ensure high immunity to external EMI fields. The optical subassemblies are each attached to their respective transmit or receive electrical subassemblies. These two units are then placed within the outer housing of the transceiver. The outer housing of the transceiver is molded with nonconductive plastic to provide mechanical strength. The housing is then encased with a metal EMI protective shield. The case is signal ground and we recommend soldering the four ground tabs to host card signal ground. Each electrical subassembly PCB carries the signal pins that exit from the bottom of the transceiver. The solder posts are fastened into the molding of the device. This design provides the mechanical strength required to withstand the additional stresses on the transceiver resulting from the insertion force of fiber cable mating. Although the solder posts are connected electrically to the transceiver, it is recommended that they are connected to the chassis ground. RX SUPPLY * DATA OUT PIN PHOTODIODE PREAMPLIFIER SUBASSEMBLY QUANTIZER IC DATA OUT RX GROUND SIGNAL DETECT LC RECEPTACLE TX GROUND DATA IN DATA IN Tx DISABLE LASER BIAS MONITORING LASER DRIVER AND CONTROL CIRCUIT LASER DIODE OUTPUT POWER MONITORING TX SUPPLY LASER OPTICAL SUBASSEMBLY CASE * NOSE CLIP PROVIDES CONNECTION TO CHASSIS GROUND FOR IMPROVED EMI PERFORMANCE Figure 3. Block Diagram 4 15.0 ± 0.2 (0.591 ± 0.008) 13.59 + 0 - 0.2 0.535 +0 -0.008 ( 13.59 (0.535) MAX ) TOP VIEW 48.2 (1.898) 6.25 (0.246) 9.8 (0.386) MAX 10.8 ± 0.2 9.6 ± 0.2 (0.425 ± 0.008)(0.378 ±0.008) Ø 1.07 (0.042) 10.16 (0.4) 19.5 ±0.3 (0.768 ±0.012) FRONT VIEW 4.06 (0.16) MIN 1 (0.039) 3.81 (0.15) MIN 10 x 0.5 (0.02) 1.78 (0.07) 0.25 (0.01) 1 (0.039) BACK VIEW SIDE VIEW 10 x 0.25 (PIN THICKNESS) (0.01) NOTE: END OF PINS CHAMFERED BOTTOM VIEW TCASE REFERENCE POINT DIMENSIONS IN MILLIMETERS (INCHES) DIMENSIONS SHOWN ARE NOMINAL. ALL DIMENSIONS MEET THE MAXIMUM PACKAGE OUTLINE DRAWING IN THE SFF MSA. Figure 4. HFCT-59L1ATL Package Outline Drawing 5 Connection Diagram RX TX Mounting Studs/ Solder Posts Package Grounding Tabs Top View RECEIVER SIGNAL GROUND RECEIVER POWER SUPPLY SIGNAL DETECT RECEIVER DATA OUT BAR RECEIVER DATA OUT o o o o o 1 2 3 4 5 10 9 8 7 6 o o o o o TRANSMITTER DATA IN BAR TRANSMITTER DATA IN TRANSMITTER DISABLE TRANSMITTER SIGNAL GROUND TRANSMITTER POWER SUPPLY Figure 5. Pin Out Diagram (Top View) Pin Descriptions: Pin 1 Receiver Signal Ground VEE RX: Directly connect this pin to the receiver ground plane. Pin 4 Receiver Data Out Bar RD-: Output internally biased and ac coupled. Pin 2 Receiver Power Supply VCC RX: Provide +3.3 V dc via the recommended dc receiver power supply filter circuit. Locate the power supply filter circuit as close as possible to the VCC RX pin. Note: the filter circuit should not cause VCC to drop below minimum specification. Pin 5 Receiver Data Out RD+: Output internally biased and ac coupled. Pin 3 Signal Detect SD: Normal optical input levels to the receiver result in a logic “1” output. Low optical input levels to the receiver result in a logic “0” output. This Signal Detect output can be used to drive a LVTTL input on an upstream circuit, such as Signal Detect input or Loss of Signal-bar. 6 Pin 6 Transmitter Power Supply VCC TX: Provide +3.3 V dc via the recommended dc transmitter power supply filter circuit. Locate the power supply filter circuit as close as possible to the VCC TX pin. Pin 7 Transmitter Signal Ground VEE TX: Directly connect this pin to the transmitter signal ground plane. Pin 8 Transmitter Disable TDIS: Optional feature, connect this pin to +3.3 V TTL logic high “1” to disable module. To enable module connect to TTL logic low “0”. Pin 9 Transmitter Data In TD+: Input internally terminated and ac coupled. Pin 10 Transmitter Data In Bar TD-: Input internally terminated and ac coupled. Mounting Studs/Solder Posts The two mounting studs are provided for transceiver mechanical attachment to the circuit board. It is recommended that the holes in the circuit board be connected to chassis ground. Package Grounding Tabs Connect four package grounding tabs to signal ground. Application Information The Applications Engineering Group at Agilent is available to assist you with technical understanding and design tradeoffs associated with these transceivers. You can contact them through your Agilent sales representative. link. The OPB is allocated for the fiber-optic cable length and the corresponding link penalties. For proper link performance, all penalties that affect the link performance must be accounted for within the link optical power budget. The Gigabit Ethernet IEEE 802.3 standard identifies, and has modeled, the contributions of these OPB penalties to establish the link length requirements for 62.5/125 µm and 50/125 µm multimode fiber usage. In addition, single mode fiber with standard 1310 nm Fabry-Perot lasers have been modeled and specified. Refer to the IEEE 802.3 standard and its supplemental documents that develop the model, empirical results and specifications. The following information is provided to answer some of the most common questions about the use of the parts. Optical Power Budget and Link Penalties The worst-case Optical Power Budget (OPB) in dB for a fiberoptic link is determined by the difference between the minimum transmitter output optical power (dBm avg) and the lowest receiver sensitivity (dBm avg). This OPB provides the necessary optical signal range to establish a working fiber-optic Refer to Section 38.11.4 for specification of offset-launch mode-conditioning patch cord required for MMF operation of HFCT-59L1ATL. 10 km Link Support As well as complying with the 1000Base-LX 5 km standard, the HFCT-59L1ATL specification provides additional margin allowing for a 10 km link on a single mode fiber. This is accomplished by limiting the spectral width and center wavelength range of the transmitter while increasing the output optical power and improving sensitivity. All other 1000Base-LX cable plant recommendations should be followed. Z = 50 W VCC (+3.3 V) TDIS (LVTTL) 130 W TD- Z = 50 W NOTE A 130 W VEE TX o VCC TX o o RD+ 6 o RD- TD+ o 7 o SD 8 o V CC RX RX TD- o TX 9 o VEE RX 10 TDIS o TD+ 1 2 3 4 5 VCC (+3.3 V) 1 µH C2 10 µF C3 10 µF VCC (+3.3 V) 1 µH RD+ C1 10 µF Z = 50 W 100 W NOTE B RD- Z = 50 W SD Note: C1 = C2 = C3 = 10 nF or 100 nF TD+, TD- INPUTS ARE INTERNALLY TERMINATED AND AC COUPLED. RD+, RD- OUTPUTS ARE INTERNALLY BIASED AND AC COUPLED. Note A: CIRCUIT ASSUMES OPEN EMITTER OUTPUT. Note B: CIRCUIT ASSUMES HIGH IMPENDANCE INTERNAL BIAS @ V CC - 1.3 V. Figure 6. Recommended Interface Circuit 7 LVTTL Electrical and Mechanical Interface Recommended Circuit Figure 6 shows the recommended interface for deploying the Agilent transceivers in a +3.3 V system. Data Line Interconnections Agilent’s HFCT-59L1ATL fiberoptic transceivers are designed to couple to +3.3 V PECL signals. The transmitter driver circuit regulates the output optical power. The regulated light output will maintain a constant output optical power provided the data pattern is balanced in duty cycle. If the data duty cycle has long, continuous state times (low or high data duty cycle), then the output optical power will gradually change its average output optical power level to its preset value. 2 x Ø 2.29 MAX. 2 x Ø 1.4 ±0.1 (0.09) (0.055 ±0.004) The HFCT-59L1ATL has a transmit disable function which is a single-ended +3.3 V TTL input which is dc-coupled to Pin 8. The receiver section is internally ac-coupled between the preamplifier and the post-amplifier stages. The Data and Data-bar outputs of the post-amplifier are internally biased and ac-coupled to their respective output pins (Pins 4, 5). Caution should be taken to account for the proper interconnection between the supporting Physical Layer integrated circuits and these transceivers. Figure 6 illustrates a recommended interface circuit for interconnecting to a +3.3 V dc PECL fiber-optic transceiver. Signal Detect is a single-ended, +3.3 V TTL compatible output signal that is dc-coupled to Pin 3 of the module. Signal Detect should not be ac-coupled externally to the follow-on circuits because of its infrequent state changes. 17.8 (0.700) 2 x Ø 1.4 ±0.1 7.11 (0.055 ±0.004) (0.28) 3.56 (0.14) 4 x Ø 1.4 ±0.1 (0.055 ±0.004) 13.34 (0.525) 10.16 (0.4) 7.59 (0.299) 9.59 (0.378) 3 (0.118) 4 x 1.78 (0.07) 3 (0.118) 6 (0.236) 2 (0.079) 2 2 x Ø 2.29 (0.079) (0.09) 4.57 (0.18) 3.08 (0.121) 10 x Ø 0.81 ±0.1 (0.032 ±0.004) DIMENSIONS IN MILLIMETERS (INCHES) NOTES: 1. THIS FIGURE DESCRIBES THE RECOMMENDED CIRCUIT BOARD LAYOUT FOR THE SFF TRANSCEIVER. 2. THE HATCHED AREAS ARE KEEP-OUT AREAS RESERVED FOR HOUSING STANDOFFS. NO METAL TRACES OR GROUND CONNECTION IN KEEP-OUT AREAS. 3. 2 x 5 TRANSCEIVER MODULE REQUIRES 16 PCB HOLES (10 I/O PINS, 2 SOLDER POSTS AND 4 PACKAGE GROUNDING TABS). PACKAGE GROUNDING TABS SHOULD BE CONNECTED TO SIGNAL GROUND. 4. THE MOUNTING STUDS SHOULD BE SOLDERED TO CHASSIS GROUND FOR MECHANICAL INTEGRITY AND TO ENSURE FOOTPRINT COMPATIBILITY WITH OTHER SFF TRANSCEIVERS. 5. HOLES FOR HOUSING LEADS MUST BE TIED TO SIGNAL GROUND. Figure 7. Recommended Board Layout Hole Pattern 8 Power Supply Filtering and Ground Planes It is important to exercise care in circuit board layout to achieve optimum performance from these transceivers. Figure 6 shows the power supply circuit which complies with the Small Form Factor Multisource Agreement. It is further recommended that a continuous ground plane be provided in the circuit board directly under the transceiver to provide a low inductance ground for signal return current. This recommendation is in keeping with good high frequency board layout practices. Package footprint and front panel considerations The Agilent transceivers comply with the circuit board “Common Transceiver Footprint” hole pattern defined in the current multisource agreement which defined the 2 x 5 package style. This drawing is reproduced in Figure 7 with the addition of ANSI Y14.5M compliant dimensioning to be used as a guide in the mechanical layout of your circuit board. Figure 8 shows the front panel dimensions associated with such a layout. Eye Safety Circuit For an optical transmitter device to be eye-safe in the event of a single fault failure, the transmit-ter must either maintain eye-safe operation or be disabled. The HFCT-59L1ATL is intrinsically eye safe and does not require shut down circuitry. Signal Detect The Signal Detect circuit provides a de-asserted output signal when the optical link is broken (or when the remote transmitter is OFF). The Signal Detect threshold is set to transition from a high to low 9 000 000 000 15.24 (0.6) 10.16 ± 0.1 (0.4 ± 0.004) TOP OF PCB 000 000 000 000 000 000 000 000000000 000000000 000000000 000000000 000000000 B B DETAIL A 15.24 (0.6) 1 (0.039) 00 00 00 00000000000000000000000000000 00000000000000000000000000000 14.22 ±0.1 (0.56 ±0.004) 00 00 00 A SOLDER POSTS 0000000000 0000000000 00000000000000000000000000000 00000000000000000000000000000 15.75 MAX. 15.0 MIN. (0.62 MAX. 0.59 MIN.) SECTION B - B DIMENSIONS IN MILLIMETERS (INCHES) 1. 2. FIGURE DESCRIBES THE RECOMMENDED FRONT PANEL OPENING FOR A LC OR SG SFF TRANSCEIVER. SFF TRANSCEIVER PLACED AT 15.24 mm (0.6) MIN. SPACING. Figure 8. Recommended Panel Mounting state between the minimum receiver input optical power and -30 dBm avg. input optical power indicating a definite optical fault (e.g. unplugged connector for the receiver or transmitter, broken fiber, or failed far-end transmitter or data source). The Signal Detect does not detect receiver data error or error-rate. Data errors can be determined by signal processing offered by upstream PHY ICs. Electromagnetic Interference (EMI) One of a circuit board designer’s foremost concerns is the control of electromagnetic emissions from electronic equipment. Success in controlling generated Electromagnetic Interference (EMI) enables the designer to pass a governmental agency’s EMI regulatory standard and more importantly, it reduces the possibility of interference to neighboring equipment. Agilent has designed the HFCT-59L1ATL to provide good EMI performance. The EMI performance of a chassis is dependent on physical design and features which help improve EMI suppression. Agilent encourages using standard RF suppression practices and avoiding poorly EMI-sealed enclosures. Agilent’s LC transceivers (HFCT59L1ATL) have nose shields which provide a convenient chassis connection to the nose of the transceiver. This nose shield improves system EMI performance by effectively closing off the LC aperture. Localized shielding is also improved by tying the four metal housing package grounding tabs to signal ground on the PCB. Though not obvious by inspection, the nose shield and metal housing are electrically separated for customers who do not wish to directly tie chassis and signal grounds together. Figure 8 shows the recommended positioning of the transceivers with respect to the PCB and faceplate. Package and Handling Instructions Flammability The HFCT-59L1ATL transceiver housing consists of high strength, heat resistant and UL 94 V-0 flame retardant plastic and metal packaging. Recommended Solder and Wash Process The HFCT-59L1ATL are compatible with industrystandard wave solder processes. Process plug This transceiver is supplied with a process plug for protection of the optical port within the LC connector receptacle. This process plug prevents contamination during wave solder and aqueous rinse as well as during handling, shipping and storage. It is made of a hightemperature, molded sealing material that can withstand +85°C and a rinse pressure of 110 lbs per square inch. 10 Recommended Solder fluxes Solder fluxes used with the HFCT-59L1ATL should be water-soluble, organic fluxes. Recommended solder fluxes include Lonco 3355-11 from London Chemical West, Inc. of Burbank, CA, and 100 Flux from Alpha-Metals of Jersey City, NJ. Recommended Cleaning/Degreasing Chemicals Alcohols: methyl, isopropyl, isobutyl. Aliphatics: hexane, heptane Other: naphtha. Do not use partially halogenated hydrocarbons such as 1,1.1 trichloroethane, ketones such as MEK, acetone, chloroform, ethyl acetate, methylene dichloride, phenol, methylene chloride, or N-methylpyrolldone. Also, Agilent does not recommend the use of cleaners that use halogenated hydrocarbons because of their potential environmental harm. LC SFF Cleaning Recommendations In the event of contamination of the optical ports, the recommended cleaning process is the use of forced nitrogen. If contamination is thought to have remained, the optical ports can be cleaned using a NTT international Cletop stick type (diam. 1.25mm) and HFE7100 cleaning fluid. Regulatory Compliance The Regulatory Compliance for transceiver performance is shown in Table 1. The overall equipment design will determine the certification level. The transceiver performance is offered as a figure of merit to assist the designer in considering their use in equipment designs. Electrostatic Discharge (ESD) The device has been tested to comply with MIL-STD-883 (Method 3015). It is important to use normal ESD handling precautions for ESD sensitive devices. These precautions include using grounded wrist straps, work benches, and floor mats in ESD controlled areas. Electromagnetic Interference (EMI) Most equipment designs utilizing these high-speed transceivers from Agilent will be required to meet FCC regulations in the United States, CENELEC EN55022 (CISPR 22) in Europe and VCCI in Japan. Refer to EMI section (page 9) for more details. Immunity Transceivers will be subject to radio-frequency electromagnetic fields following the IEC 61000-4-3 test method. Eye Safety These laser-based transceivers are classified as AEL Class I (U.S. 21 CFR(J) and AEL Class 1 per IEC60825-1 (+A11). They are eye safe when used within the data sheet limits per CDRH. They are also eye safe under normal operating conditions and under all reasonably foreseeable single fault conditions per IEC60825-1. Agilent has tested the transceiver design for compliance with the requirements listed below. These tests were conducted under normal operating conditions and under single fault conditions where applicable. TUV Rheinland has granted certification to these transceivers for laser eye safety and use in IEC60825-2 applications. Their performance enables the transceivers to be used without concern for eye safety up to 3.6 V transmitter VCC. Table 1: Regulatory Compliance - Targeted Specification Feature Test Method Performance Electrostatic Discharge (ESD) to MIL-STD-883 Class 2 (>2 kV). the Electrical Pins Method 3015 Electrostatic Discharge (ESD) to Variation of IEC 61000-4-2 Tested to 8 kV contact discharge. the LC Receptacle Electromagnetic Interference FCC Class B Margins are dependent on customer board and chassis designs. (EMI) CENELEC EN55022 Class B (CISPR 22A) Immunity VCCI Class I Variation of IEC 61000-4-3 Typically show no measurable effect from a 10 V/m field swept from 27 to 1000 MHz applied to the transceiver without a chassis enclosure. Laser Eye Safety and Equipment FDA CDRH Type Testing Accession Number: HFCT-59L1ATL ) 9521220-65 21-CFR 1040 Class 1 License Number: HFCT-59L1ATL ) 933/510219/01 IEC 60825-1 Amendment 2 2001 - 01 Component Recognition Underwriters Laboratories and Canadian Standards Association Joint Component Recognition for Information Technology Equipment Including Electrical Business Equipment. 11 UL File Number: E173874 CAUTION: There are no user serviceable parts nor any maintenance required for the HFCT-59L1ATL. All adjustments are made at the factory before shipment to our customers. Tampering with or modifying the performance of the parts will result in voided product warranty. It may also result in improper operation of the circuitry, and possible overstress of the laser source. Device degradation or product failure may result. Connection of the devices to a non-approved optical source, operating above the recommended absolute maximum conditions or operating the HFCT-59L1ATL in a manner inconsistent with its design and function may result in hazardous radiation exposure and may be considered an act of modifying or manufacturing a laser product. The person(s) performing such an act is required by law to re-certify and re-identify the laser product under the provisions of U.S. 21 CFR (Subchapter J). 12 Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause catastrophic damage to the device. Limits apply to each parameter in isolation, all other parameters having values within the recommended operating conditions. It should not be assumed that limiting values of more than one parameter can be applied to the product at the same time. Exposure to the absolute maximum ratings for extended periods can adversely affect device reliability. Parameter Symbol Min Storage Temperature TS -40 (non-operating) Relative Humidity RH Supply Voltage VCC Input Voltage on any Pin Typ Max Unit +85 °C 85 % -0.5 3.6 V VI -0.5 VCC V Parameter Symbol Min Typ Max Unit Case Operating Temperature: TC -10 +25 +85 °C Supply Voltage VCC 3.1 3.3 3.5 V 100 Notes 1 Recommended Operating Conditions Power Supply Noise Rejection PSNR Data Output Load RDL mVP-P Notes 2 W 50 0.6 V Transmit Disable Input Voltage - Low TDIS Transmit Disable Input Voltage - High TDIS Transmit Disable Assert Time TASSERT 10 µs 3 Transmit Disable Deassert Time TDEASSERT 1.0 ms 4 Max Unit Notes +260/10 °C/sec. 5 2.2 V Process Compatibility Parameter Symbol Wave Soldering and Aqueous Wash TSOLD/tSOLD Min Typ Notes: 1. The transceiver is class 1 eye safe up to V CC = 3.6 V. 2. Tested with a sinusoidal signal in the frequency range from 10 Hz to 1 MHz on the VCC supply with the recommended power supply filter in place. Typically less than a 1 dB change in sensitivity is experienced. 3. Time delay from Transmit Disable Assertion to laser shutdown. 4. Time delay from Transmit Disable Deassertion to laser startup. 5. Aqueous wash pressure <110 psi. 13 Transmitter Electrical Characteristics HFCT-59L1ATL TC = -10°C to +85°C, VCC = 3.1 V to 3.5 V Parameter Symbol Typ Max Unit Supply Current ICCT Min 52 120 mA Transmitter Power Dissipation PDIST 172 420 mW Data Input Voltage Swing (single-ended) VIH - VIL 250 930 mV IIL -350 Notes Transmitter Differential Data Input Current - Low µA Transmitter Differential Data Input Current - High IIH 350 µA Receiver Electrical Characteristics HFCT-59L1ATL TC = -10°C to +85°C, VCC = 3.1 V to 3.5 V Parameter Symbol Typ Max Unit Supply Current ICCRX Min 102 140 mA Receiver Power Dissipation PDISS 336 490 mW Data Output Voltage Swing (single-ended) VOH - VOL 930 mV 1 Data Output Rise Time tr 0.40 ns 2 Data Output Fall Time tf 0.40 ns 2 Signal Detect Output Voltage - Low VOL 0.6 V 3 V 3 575 Signal Detect Output Voltage - High VOH Signal Detect Assert Time (OFF to ON) ASMAX 100 µs Signal Detect Deassert Time (ON to OFF) ANSMAX 100 µs 2.0 Notes: 1. These outputs are compatible with 10 k, 10 kH, and 100 k ECL and PECL inputs. 2. These are 20-80% values. 3. SD is LVTTL compatible. 14 Notes Transmitter Optical Characteristics HFCT-59L1ATL TC = -10°C to +85°C, VCC = 3.1 V to 3.5 V Parameter Symbol Min Typ Output Optical Power 9 µm SMF 62.5 µm MMF 50 µm MMF Optical Extinction Ratio POUT POUT POUT ER -9.5 -11.5 -11.5 9 Optical Modulation Amplitude (Peak to Peak) Center Wavelength OMA 0.174 Cl 1278 Spectral Width - RMS 1.4 Optical Rise/Fall Time TRISE/FALL Max Unit Notes -3 -3 -3 dBm dBm dBm dB 1 mW 2 1343 nm 3, Fig 10 2.8 nm 3, Fig 10 Random Intensity Noise RIN12 0.26 @ 1.25Gb/s ns 0.32 @ 1.0625Gb/s ns -120 dB/Hz Contributed Deterministic Jitter DJ 84.7 ps UI Contributed Total Jitter TJ 0.284 Coupled Power Ratio 52.5 µm MMF CPR 28<CPR<40 Coupled Power Ratio 50 µm MMF CPR 12<CPR<20 4, 5. Figs 9a,b @ 1.0625Gb/s Notes: 1. The maximum Optical Output Power complies with FC-PI Rev 13 specification, and is class 1 laser eye safe. 2. An OMA of 0.174mW is approximately equal to an average power of -9.5dBm assuming an Extinction Ratio of 9 dB. 3. In order to meet the link power budget the transmitter can trade off OMA, spectral width and center wavelength as shown in Figure 10. 4. These are unfiltered 20-80% values. 5. An eye diagram (Figures 9a and 9b) specifies laser transmitter pulse response characteristics. The characteristics include rise time, fall time, pulse undershoot, and ringing, all of which are controlled to prevent excessive degradation of the receiver sensitivity. The output optical waveform @ 1.0625 Gb/s complies with the requirements of the eye mask discussed in section 6.2.1 and Fig 16 of FC-PI Rev 13. The output optical waveform @ 1.25 Gb/s complies with the requirements of the eye mask discussed in section 38.6.5 and Fig 38-2 of IEEE 802.3. 1.3 5 4.5 4 0000000000000 00000000 00000000 00000000 00000000 0000000000000 00000000 00000000 0000000000000 00000000 00000000 0000000000000 00000000 00000000 0000000000000 00000000 00000000 0000000000000 00000000 00000000 0000000000000 00000000 00000000 0000000000000 00000000 0000000000000 00000000 0000000000000 00000000 00000000 00000000 0000000000000 00000000 00000000 00000000 0000000000000 00000000 0000000000000 00000000 00000000 0000000000000 00000000 0.8 0.5 0.2 RMS spectral width (nm) NORMALIZED AMPLITUDE 1.0 3.5 3 2.5 2 1.5 Minimum Launched Power -9.5 dBm 0 1 -0.2 0 0.15 0.35 0.65 0.85 1.0 0.5 NORMALIZED TIME 0 1270 Figure 9a. FC1063 Transmitter eye mask diagram 130 1.30 100 1.00 80 0.80 50 0.50 20 0.20 0 0.0 -20 -0.20 0 37.5 62.5 78 22 NORMALIZED TIME (% OF UNIT INTERVAL) Figure 9b. Gigabit Ethernet Transmitter eye mask diagram 15 100 1280 1290 1300 1310 1320 1330 1340 1350 1360 Wavelength (nm) 1.0 Figure 10. Maximum spectral width tradeoff curve derived from Gigabit Ethernet Link model NORMALIZED AMPLITUDE NORMALIZED AMPLITUDE (%) 0 NORMALIZED TIME (UNIT INTERVAL) 0.625 0.22 0.375 0.78 Receiver Optical Characteristics HFCT-59L1ATL TC = -10°C to +85°C, VCC = 3.1 V to 3.5 V Parameter Symbol Min Receiver Overload PIN MAX -3 Receiver Sensitivity PIN MIN Optical Modulation Amplitude OMA Typ Max Unit Notes dBm avg -20 0.015 dBm avg 1 mW 2 Receiver Electrical 3 dB Upper Cutoff Frequency 1500 MHz Receiver Electrical 10dB Upper Cutoff Frequency 3000 MHz Stressed Receiver Sensitivity -14.4 dBm avg 3 ps 4 @ 1.25 Gb/s Stressed Receiver Eye Opening Operating Center Wavelength 201 lC Return Loss 1270 1570 12 nm dB -20 dBm avg Signal Detect - Asserted PA Signal Detect - Deasserted PD -30 dBm avg Signal Detect - Hysteresis PA - PD 1.5 dB Notes: 1. The receiver sensitivity is measured using a worst case extinction ratio penalty while sampling at the center of the eye. For a 27-1 PRBS the receiver is guaranteed to provide output data with better than or equal to 1E-12 BER. Typical measured at 1.25 Gb/s. 2. An OMA of 0.015mW is approximately equal to an average power of -20dBm assuming an Extinction Ratio of 9 dB. 3. The stressed receiver sensitivity is measured using a conformance test signal conditioned by applying deterministic jitter and inter symbol interference. 4. The stressed received jitter is measured using a conformance test signal conditioned by applying deterministic jitter and inter symbol interference. Average optical power is set to 0.5 dB greater than the specified stressed receiver sensitivity. 16 Design Support Materials Agilent has created a reference design with HDMP-1687 PHY IC in order to demonstrate full functionality and interoperability. Such design information and results can be made available to the designer as a technical aid. Please contact your Agilent representative for further information if required. Ordering Information 1310 nm FP Laser (Case Temperature range -10°C to +85°C) HFCT-59L1ATL Related Products Other single mode Gigabit Ethernet transceivers in this product family are: HFCT-5911ATL2x5 DIP HFCT-5914ATL2x10 DIP Class 1 Laser Product: This product conforms to the applicable requirements of 21 CFR 1040 at the date of manufacture Date of Manufacture: Agilent Technologies Inc., No 1 Yishun Ave 7, Singapore Handling Precautions 1. The HFCT-59L1ATL can be damaged by current surges or overvoltage. Power supply transient precautions should be taken. 2. Normal handling precautions for electrostatic sensitive devices should be taken. www.agilent.com/ semiconductors For product information and a complete list of distributors, please go to our web site. For technical assistance call: Americas/Canada: +1 (800) 235-0312 or (408) 654-8675 Europe: +49 (0) 6441 92460 China: 10800 650 0017 Hong Kong: (+65) 6271 2451 India, Australia, New Zealand: (+65) 6271 2394 Japan: (+81 3) 3335-8152(Domestic/International), or 0120-61-1280(Domestic Only) Korea: (+65) 6271 2194 Malaysia, Singapore: (+65) 6271 2054 Taiwan: (+65) 6271 2654 Data subject to change. Copyright © 2002 Agilent Technologies, Inc. Obsoletes: 5988-7981EN October 8, 2002 5988-8137EN