afct-5943z Avago Technologies, afct-5943z Datasheet

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afct-5943z

Manufacturer Part Number
afct-5943z
Description
Single Mode Sff Transceivers For Sonet Oc-48/sdh Stm-16 Multirate Operation
Manufacturer
Avago Technologies
Datasheet
AFCT-5943xxZ
Single Mode SFF Transceivers for SONET
OC-48/SDH STM-16 Multirate Operation
(Part of the Avago Technologies’ METRAK family)
Data Sheet
Description
The AFCT-5943xxZ are high performance, cost effective
modules for serial optical data communications applica-
tions that range from 125 Mb/s to 2.7 Gb/s. They are de-
signed to provide SONET/SDH compliant links at 2488
Mb/s for short reach links.
The modules are designed for single mode fiber and
operate at a nominal wavelength of 1300 nm. They in-
corporate high performance, reliable, long wavelength
optical devices and proven circuit technology to give
long life and consistent service.
The transmitter section of the AFCT-5943LZ/ALZ/GZ/
AGZ incorporates a 1300 nm Fabry Perot (FP) laser. The
transmitter has full IEC 825 and CDRH Class 1 eye safety.
For each device the receiver section uses an MOVPE
grown planar SEDET PIN photodetector for low dark
current and excellent responsivity.
A positive ECL logic interface simplifies interface to ex-
ternal circuitry.
The transceivers are supplied in the new industry stan-
dard 2 x 5 DIP style package with the LC fiber connector
interface and is footprint compatible with SFF Multi
Source Agreement (MSA).
Features
• Multirate operation from 125 Mb/s to 2.7 Gb/s
• AFCT-5943LZ/ALZ: Links of 2 km with 9/125 µm
• Multisourced 2 x 5 package style with LC receptacle
• Single +3.3 V power supply
• Temperaturerange:
• Wave solder and aqueous wash process compatible
• Manufactured in an ISO9002 certified facility
• RoHS compliant
• Fully Class 1 CDRH/IEC 825 compliant
• Compliant with ITU-T G.957, STM-16, I-16 and S-16.1
• AFCT-5943LZ/ALZ: with EMI shield
• AFCT-5943GZ/AGZ: without EMI shield
• Receiver output squelch function enabled
Applications
• SONET/SDH equipment interconnect
• Multirate Client Interface on Metro Gateways and
single mode fiber (SMF)
Optical Interfaces
Edge Switches
AFCT-5943ALZ/AGZ:
AFCT-5943LZ/GZ:
0°C to +70°C
-40°C to +85°C

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afct-5943z Summary of contents

Page 1

... DIP style package with the LC fiber connector interface and is footprint compatible with SFF Multi Source Agreement (MSA). Features • Multirate operation from 125 Mb/s to 2.7 Gb/s • AFCT-5943LZ/ALZ: Links with 9/125 µm single mode fiber (SMF) • Multisourced package style with LC receptacle • Single +3.3 V power supply • Temperaturerange: AFCT-5943LZ/GZ: 0° ...

Page 2

... Functional Description Receiver Section Design The receiver section for the AFCT-5943xxZ contains an InGaAs/InP photo detector and a preamplifier mounted in an optical subassembly. This optical subassembly is coupled to a postamp/decision circuit on a circuit board. The design of the optical assembly is such that it provides better than 27 dB Optical Return Loss (ORL). ...

Page 3

... Functional Description Transmitter Section Design A schematic diagram for the transmitter is shown in Figure 2. The AFCT-5943LZ/ALZ/GZ/AGZ 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 condi- tions ...

Page 4

Package The overall package concept for the device consists of the following basic elements; two optical subassem- blies, a electrical subassembly and the housing as illus- trated in the block diagram in Figure 3. The package outline drawing and pin ...

Page 5

... Figure 4. AFCT-5943xxZ Package Outline Drawing 5 ...

Page 6

Connection Diagram RX TX Top View o o RECEIVER SIGNAL GROUND RECEIVER POWER SUPPLY SIGNAL DETECT RECEIVER DATA OUT BAR RECEIVER DATA OUT 5 ...

Page 7

... For proper link performance, all penalties that affect the link performance must be accounted for within the link optical power budget. Electrical and Mechanical Interface Recommended Circuit Figure 6 shows the recommended interface for deploy- ing the Avago Technologies transceivers in a +3.3 V system Ω Ω ...

Page 8

... For an optical transmitter device to be eye-safe in the event of a single fault failure, the transmit-ter must ei- ther maintain eye-safe operation or be disabled. The AFCT-5943xxZ is intrinsically eye safe and does not require shut down circuitry. Signal Detect The Signal Detect circuit provides a deasserted output signal when the optical link is broken (or when the remote transmitter is OFF) ...

Page 9

MAX Ø 1.4 ±0 Ø 1.4 ±0.1 7.11 (0.09) (0.055 ±0.004) (0.055 ±0.004) (0.28) 13.34 (0.525) 7.59 (0.299 (0.118) (0.118) 4.57 (0.18) 6 (0.236) Figure 7. Recommended ...

Page 10

... Recommended Solder fluxes Solder fluxes used with the AFCT-5943xxZ 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-Met- als of Jersey City, NJ ...

Page 11

... Equipment. RoHS Compliance CAUTION: There are no user serviceable parts nor any mainte- nance required for the AFCT-5943xxZ. All adjustments are made at the factory before shipment to our custom- ers. 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 ...

Page 12

... Data Output Current Relative Humidity Receiver Optical Input Recommended Operating Conditions Parameter Case Operating Temperature AFCT-5943LZ/GZ AFCT-5943ALZ/AGZ Supply Voltage Power Supply Rejection Transmitter Differential Input Voltage Data Output Load TTL Signal Detect Output Current - Low TTL Signal Detect Output Current - High ...

Page 13

... Transmitter Differential Data Input Current - Low Transmitter Differential Data Input Current - High Receiver Electrical Characteristics AFCT-5943LZ / GZ 0°C to +70°C, V AFCT-5943ALZ / AGZ -40°C to +85°C, V Parameter Supply Current Power Dissipation Data Output Voltage Swing (single-ended) Data Output Rise Time Data Output Fall Time ...

Page 14

... Optical Fall Time Extinction Ratio Output Optical Eye Back Reflection Sensitivity Jitter Generation Receiver Optical Characteristics AFCT-5943LZ / GZ 0°C to +70°C, V AFCT-5943ALZ / AGZ -40°C to +85°C, V Parameter Receiver Sensitivity Receiver Overload Input Operating Wavelength Signal Detect - Asserted Signal Detect - Deasserted ...

Page 15

... Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies, Limited in the United States and other countries. Data subject to change. Copyright © 2007 Avago Technologies Limited. All rights reserved. Obsoletes AV01-0628EN AV02-0178EN - December 5, 2007 Handling Precautions 1. The AFCT-5943xxZ can be damaged by current surges or overvoltage. Power supply transient precautions should be taken. 2. Normal handling precautions for electrostatic sensi- tive devices should be taken ...

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