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Fiber Optics
DC/DC (5 V/3.3 V) Single Mode 155 MBd ATM/SDH/SONET 1x9 Long Haul Transceiver with ST(R) Connector
V23826-C18-T64 V23826-C18-T364
Features * Compliant with ATM, SONET OC-3, SDH STM-1 * Meets mezzanine standard height of 9.8 mm * Compact integrated transceiver unit with - MQW laser diode transmitter - InGaAs PIN photodiode receiver - Duplex ST(R) receptacle * Class 1 FDA and IEC laser safety compliant * FDA Accession No. 9520890-20 * Single power supply (5 V or 3.3 V) * Signal detect indicator * PECL differential inputs and outputs * Process plug included * Input Signal Monitor * Wave solderable and washable with process plug inserted * Typical dynamic range of 36 dB * Industry standard multisource 1x9 footprint * For distances of up to 40 km on single mode fiber
V238 26-C 18 - T 64
ST(R) is a registered trademark of AT&T
Data Sheet
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V23826-C18-T64 V23826-C18-T364
Pin Configuration Pin Configuration
1
bottom view
9
Figure 1
Pin Description Pin No. 1 2 3 4 Symbol RxVEE RD RDn SD PECL Output active high Power Supply PECL Input Power Supply Mech. Support Rx Signal Detect Rx +3.3 V/5 V Tx +3.3 V/5 V Tx Input Data Tx Ground Stud Pin Level/Logic Power Supply PECL Output Function Rx Ground Description Negative power supply, normally ground Inverted receiver output data A high level on this output shows that optical data is applied to the optical input. Positive power supply, +3.3 V/5 V Inverted transmitter input data Transmitter input data Negative power supply, normally ground Not connected
Rx Output Data Receiver output data
5 6 7 8 9 S1/2
RxVCC TxVCC TDn TD TxVEE
Data Sheet
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Description Description The Infineon single mode ATM transceiver complies with the ATM Forum's Network Compatible ATM for Local Network Applications document and ANSI's Broadband ISDN - Customer Installation Interfaces, Physical Media Dependent Specification, T1.646-1995, Bellcore-SONET OC-3/LR-1 and ITU-T G.957 STM-1/L.1.1. ATM was developed to facilitate solutions in multimedia applications and real time transmission. The data rate is scalable, and the ATM protocol is the basis of the broadband public networks being standardized in the International Telecommunications Union (ITU), the former International Telegraph and Telephone Consultative Committee (CCITT). ATM can also be used in local private applications. The Infineon single mode ATM long haul transceiver is a single unit comprised of a transmitter, a receiver, and an ST receptacle. This design frees the customer from many alignment and PC board layout concerns. The module is designed for low cost WAN applications. It can be used as the network end device interface in workstations, servers, and storage devices, and in a broad range of network devices such as bridges, routers, intelligent hubs, and wide area ATM switches. This transceiver operates at 155.520 Mbit/s from a single power supply (+5 V or +3.3 V). The differential data inputs and outputs are PECL compatible. Functional Description This transceiver is designed to transmit serial data via single mode cable.
Signal Monitor and Automatic Shut-Down LEN TD TD Laser ISM Driver
Laser Coupling Unit e/o Laser
Power Control Monitor RD RD SD
o/e Single Mode Fiber RX Coupling Unit o/e
Receiver
Figure 2
Functional Diagram
Data Sheet
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Description The transmitter converts electrical PECL compatible serial data (TD and TDnot) into optical serial data. It contains a laser driver circuit that drives the modulation and bias current of the laser diode. The currents are controlled by a power control circuit to guarantee constant output power of the laser over temperature and aging. The power control uses the output of the monitor PIN diode (mechanically built into the laser coupling unit) as a controlling signal, to prevent the laser power from exceeding the operating limits. This transceiver contains an Input Signal Monitor (ISM), that switches the optical power off if a continuously low level is applied at Data Input. The receiver component converts the optical serial data into PECL compatible electrical data (RD and RDnot). The Signal Detect (SD, active high) shows whether optical data is present 1). This module is a Class 1 laser product, due to an integrated automatic shutdown circuit that disables the laser when it detects transmitter failures. Single fault condition is ensured by means of an integrated automatic shutdown circuit that disables the laser when it detects transmitter failures. A reset is only possible by turning the power off, and then on again. The transceiver contains a supervisory circuit to monitor the power supply. This circuit makes an internal reset signal whenever the supply voltage drops below the reset threshold. It keeps the reset signal active for at least 15 milliseconds after the voltage has risen above the reset threshold. During this time the laser is inactive. Regulatory Compliance Feature Electrostatic Discharge (ESD) to the Electrical Pins Immunity: Electrostatic Discharge (ESD) to the Duplex SC Receptacle Immunity: Radio Frequency Electromagnetic Field Standard MIL-STD 883C Method 3015.4 EN 61000-4-2 IEC 61000-4-2 Comments Class 1 (>1000 V)
Discharges of 15 kV with an air discharge probe on the receptacle cause no damage. With a field strength of 10 V/m rms, noise frequency ranges from 3 MHz to 1 GHz. No effect on transceiver performance between the specification limits. Noise frequency range: 30 MHz to 6 GHz, margins depend on PCB layout and chassis design.
EN 61000-4-3 IEC 61000-4-3
Emission: Electromagnetic Interference EMI
1)
FCC Class B EN 55022 Class B CISPR 22
We recommend to switch off the transmitter supply (VCC - Tx) if no transmitter input data is applied.
Data Sheet
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Technical Data Technical Data Absolute Maximum Ratings Parameter Package Power Dissipation 1) Supply Voltage Data Input Levels Differential Data Input Voltage Operating Ambient Temperature Storage Ambient Temperature Soldering Conditions Temp/Time (MIL-STD 883C, Method 2003)
1)
Symbol
Limit Values min. max. 1.5
Unit W V
5V 3.3 V
VCC - VEE
7 5
VCC + 0.5
2.5 0 -40 70 85 250/5.5 C/s C
For VCC - VEE (min., max.). 50% duty cycle. The supply current does not include the load drive current of the receiver output.
Exceeding any one of these values may destroy the device immediately. Recommended Operating Conditions Parameter Ambient Temperature Power Supply Voltage Supply Current Transmitter Data Input High Voltage Data Input Low Voltage Input Data Rise/Fall Time 10%-90% Receiver Output Current Input Center Wavelength
1)
Symbol min. 3.3 V 5V 3.3 V 5V
Limit Values typ. 3.3 5 175 190 max. 70 3.5 5.25 250 270 -880 -1475 1.3
Unit C V mA
TAMB 0 VCC - VEE 3.1
4.75
1)
ICC
VIH - VCC -1165 VIL - VCC -1810 tR , tF 0.4
mV ns
IO
C 1260
25 1360
mA nm
For VCC - VEE (min., max.) 50% duty cycle. The supply current does not include the load drive current of the receiver output.
Data Sheet
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Technical Data The electro-optical characteristics described in the following tables are valid only for use under the recommended operating conditions. Transmitter Electro-Optical Characteristics Parameter Output Power (Average) 1) Center Wavelength Spectral Width (FWHM) Output Rise Time Output Fall Time Extinction Ratio (Dynamic) Reset Threshold for TxVCC 2) Reset Active Time Out 2) Eye Diagram 3)
1) 2) 3)
Symbol min.
Limit Values typ. -3 2.4 0.6 10 2.7 3.5 15 25 35 max. -0 1335 3 3.0 -5 1280
Unit dBm nm ns dB V ms
PO
C
Dl tR tF
ER 3.3 V VTH 5V
tRES
ED
Into single mode fiber, 9 m diameter Laser power is shut down if power supply is below VTH and switched on if power supply is above VTH after tRES. Transmitter meets ANSI T1E1.2, SONET OC-3 and ITU-T G.957 mask patterns.
Data Sheet
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Technical Data Receiver Electro-Optical Characteristics Parameter Sensitivity (Average Power) Saturation (Average Power) Signal Detect Assert Level Signal Detect Hysteresis Signal Detect Assert Time Signal Detect Deassert Time Output Low Voltage4) Output High Voltage 4) Output Data, Rise/Fall Time, 20%-80% Output SD, Rise/Fall Time5)
1)
Symbol min.
1)
Limit Values typ. -36 -2 -37.5 -44 1 -40 2.5 6 100 350 -1950 -1025 -1620 -720 375 40 -34 max. -34
Unit dBm
2)
Signal Detect Deassert Level 3)
PIN PSAT PSDA PSDD PSDAPSDD tASS tDAS VOL - VCC VOH - VCC tR, tF
dB s mV ps ns
2)
3)
4)
5)
Minimum average optical power at which the BER is less than 1x10-10. Measured with a 223 - 1 NRZ PRBS as recommended by ANSI T1E1.2, SONET OC-3, and ITU-T G.957. An increase in optical power of data signal above the specified level will cause the SIGNAL DETECT to switch from a Low state to a High state. A decrease in optical power of data signal below the specified level will cause the SIGNAL DETECT to switch from a High state to a Low state. DC/DC for data, DC/DC PECL for Signal Detect, PECL compatible. Load is 50 into VCC - 2 V for data, 500 to VEE for Signal Detect. Measured under DC conditions. For dynamic measurements a tolerance of 50 mV should be added. VCC = 3.3 V / 5 V. TAMB = 25C. PECL compatible. A high level on this output shows that an optical signal is applied to the optical input.
Data Sheet
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Eye Safety Eye Safety This laser based single mode transceiver is a Class 1 product. It complies with IEC 60825-1 and FDA 21 CFR 1040.10 and 1040.11. To meet laser safety requirements the transceiver shall be operated within the Absolute Maximum Ratings.
Attention: All adjustments have been made at the factory prior to shipment of the devices. No maintenance or alteration to the device is required. Tampering with or modifying the performance of the device will result in voided product warranty. Do not view into the open optical port for more than 60 seconds. Note: Failure to adhere to the above restrictions could result in a modification that is considered an act of "manufacturing," and will require, under law, recertification of the modified product with the U.S. Food and Drug Administration (ref. 21 CFR 1040.10 (i)).
Laser Data Wavelength Total output power (as defined by IEC: 50 mm aperture at 10 cm distance) Total output power (as defined by FDA: 7 mm aperture at 20 cm distance) Beam divergence 1300 nm 8 mW 600 W 4
FDA
Complies with 21 CFR 1040.10 and 1040.11
IEC
Class 1 Laser Product
Figure 3
Required Labels
Indication of laser aperture and beam
Figure 4
Data Sheet
Laser Emission
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Application Notes Application Notes ATM transceivers and matching circuits are high frequency components and shall be terminated as recommended in the application notes for proper EMI performance. Electromagnetic emission may be caused by these components. Single Mode 155 MBd ATM 1x9 Long Haul Transceiver
VCC SerDes 3.3 V/5 V VCC R11 C6 R10 R7 Tx+ ECL/PECL Driver TxR8 VCCTx 6 C1 VCCRx 5 C2 SD 4 SD to upper level R1 R9 PreAmp Limiting Amplifier RDRxD 3 C4 R2 L2 C3 L1 VCC 3.3 V/5 V
TxVEE
9
TxD Laser Driver
8
TxD
7
C7
Infineon Transceiver V23826-C18-T64/T364 DC/DC Option
Serializer/ Deserializer
Signal Detect
RDReceiver PLL etc.
RD+
RxD
2
C5
RD+ R3 R4
R5
R6
RxVEE
1
C1/2/3 = 4.7 F C4/5/6/7 = 100 nF L1/2 = 1 H R10/11 = 127 (3.3 V) = 82 (5 V) (depends on SerDes chip used) R7/8 = 82 (3.3 V) = 127 (5 V) (depends on SerDes chip used)
R5/6 = 150 (3.3 V) = 270 (5 V) R9 = 270 (3.3 V) = 510 (5 V) Place R1/2/3/4 close to SerDes chip, depends on SerDes chip used, see application note of SerDes supplier. Place R7/8/10/11 close to Infineon Transceiver
Figure 5
Data Sheet
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Application Notes This Application Note assumes Fiber Optic Transceivers using 5 V power supply and SerDes Chips using 3.3 V power supply. It also assumes no self biasing at the receiver data inputs (RD+/RD-) of the SerDes chip (Refer to the manufacturer data sheet for other applications). 3.3 V-Transceivers can be directly connected to SerDes-Chips using standard PECL Termination network. Value of R1...R4 may vary as long as proper 50 termination to VEE or 100 differential is provided. The power supply filtering is required for good EMI performance. Use short tracks from the inductor L1/L2 to the module VCCRx/VCCTx. Further application notes for electrical interfacing are available upon request. Ask for Appnote 82. We strongly recommend a VEE plane under the module for getting good EMI performance. The transceiver contains an automatic shutdown circuit. Reset is only possible if the power is turned off, and then on again. (VCCTx switched below VTH). Application Board available on request.
Data Sheet
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Package Outlines Package Outlines
(1) .039 (1.4) A 1 (0.6) .024 (2.8) max. .11 max. bottom view (25.4) max. 1 max. (12.7) .5 (2.54) .1 (20.32) 8
9 (3.8) .15 max. 2x (1.4)
.055 (0.1) M A M
(0.46) .02 x 9 (0.3) M A M
(5.27) .207 (14.4) .567 (18.47) .727 (20.32) .8 (41.2) 1.622
(9.8) max. .39 max.
(3-0.2) .118-.008
Dimensions in (mm) inches
Figure 6
Data Sheet
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V23826-C18-T64 V23826-C18-T364 Revision History: Previous Version: Page
2000-03-01
DS0
Subjects (major changes since last revision) Document's layout has been changed: 2002-Aug.
For questions on technology, delivery and prices please contact the Infineon Technologies Offices in Germany or the Infineon Technologies Companies and Representatives worldwide: see our webpage at http://www.infineon.com.
Edition 2000-03-01 Published by Infineon Technologies AG, St.-Martin-Strasse 53, 81669 Munchen, Germany
(c) Infineon Technologies AG 2002.
All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as warranted characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Infineon Technologies is an approved CECC manufacturer. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in Germany or our Infineon Technologies Representatives worldwide. Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life-support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.

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