F i n i s a r
© Finisar Corporat i o n A pri l , 20 0 7 Re v D Page 1
Product Specification
OC-3 SR-1/STM I-1 or OC-3 IR-1/STM S-1.1 2x10 SFF
Transceiver
FTLF1323S2xTR
PRODUCT FEATURES
• Up to OC-3/STM-1 bi-directional
data links
• Standard 2x10 pin SFF footprint
(MSA compliant)
• Analog diagnostics functions
• Uncooled 1310nm FP laser
transmitter
• Duplex LC connector
• Very low jitter
• Metal enclosure, for lower EMI
• Single 3.3V power supply
• Low power dissipation <700 mW
typical
• Extended operating temperature
range: -40°C to 85°C
APPLICATIONS
• SONET OC-3 SR-1 / SDH STM I-1
• SONET OC-3 IR-1 / SDH STM S-1.1
Finisar’s FTLF1323S2xTR Small Form Factor (SFF) transceivers are compatible with the
Small Form Factor Multi-Sourcing Agreement (MSA)1. They comply with SONET OC-3
SR-1/IR-1 (SDH STM I-1/S-1.1) standards2. The transceivers are RoHS compliant and
lead-free per Directive 2002/95/EC5 and Finisar Application Note AN-20386
PRODUCT SELECTION
FTLF1323S2xTR
G 2 Grounding Pins, Short EMI shield
M 6 Grounding Pins, Short EMI shield
K 2 Grounding Pins, Long EMI shield
x
H 6 Grounding Pins, Long EMI shield
FTLF1323S2xTR 2x10 Pin SFF Product Specification – April 2007 F i n i s a r
© Finisar Corporat i o n A pri l , 20 0 7 Re v D Page 2
I. Pin Descriptions
Pin Symbol Name/Description Logic Family
MS MS Mounting Studs for mechanical attachment. Chassis
ground is internally isolated from circuit ground.
Connection to chassis ground is recommended.
NA
1 NC Not Connected
2,3,6 VEER Receiver Ground (Common with Transmitter Ground) NA
4,5 NC Not Connected.
7 VCCR Receiver Power Supply NA
8 SD Signal Detect. Logic 1 indicates normal operation. LVTTL
9 RD- Receiver Inverted DATA out. AC Coupled CML
10 RD+ Receiver Non-inverted DATA out. AC Coupled CML
11 VCCT Transmitter Power Supply NA
12,16 VEET Transmitter Ground (Common with Receiver Ground) NA
13 TDIS Transmitter Disable LVTTL
14 TD+ Transmitter Non-Inverted DATA in. AC Coupled. CML
ECL
15 TD- Transmitter Inverted DATA in. AC Coupled. CML
ECL
17 Bmon- Laser Bias Monitoring (-). Analog
Voltage
18 Bmon+ Laser Bias Monitoring (+)
.(Bmon+ - Bmon-) = 10Ω x laser bias current. Analog
Voltage
19 Pmon- Laser Power Monitoring (-). Curre nt implementat i on
connects this pin to ground Analog
Voltage
20 Pmon+ Laser Power Monito ri n g (+)
.(Pmon+ - Pmon-) = 200Ω x mon. photodiode current.
Analog
Voltage
TOP VIEW 6 7 8 9 10
MS
MS
1 2 3 4 5
15 14 13 12 11
20 19 18 17 16
FTLF1323S2xTR 2x10 Pin SFF Product Specification – April 2007 F i n i s a r
© Finisar Corporat i o n A pri l , 20 0 7 Re v D Page 3
II. Absolute Maximum Ratings
Parameter Symbol Min Typ Max Unit Ref.
Maximum Supply Voltage Vcc -0.5 4.5 V
Storage Temperature TS -40 100
°C
Case Operating Temperature TOP -40 85
°C
Relative Humidity RH 0 85 % 1
Lead Soldering Temperature/Time 260/10 °C/s
III. Electrical Characteristics
(TOP = -40 to 85 °C, VCC = 3.00 to 3.60 Volts)
Parameter Symbol Min Typ Max Unit Ref.
Supply Volta g e Vcc 3.00 3.60 V
Supply Current Icc 190 300 mA
Transmitter
Input differential impedance Rin 100 Ω 2
Single ended data input swing Vin,pp 250 1200 mV
Transmit Disable Voltage VD Vcc – 1.3 Vcc V
Transmit Enable Voltage VEN Vee Vee+ 0.8 V 3
Transmit Disable Assert Time 10
μs
Receiver
Single ended data output swing Vout,pp 300 400 800 mV 4
Data output rise/fall time tr 1250 ps 5
SD Assert VSD assert 2.4 Vcc V 6
SD De-Assert VSD deassert Vee 0.5 V 6
Power Supply Rejection PSR 100 mVpp 7
Total Generated Receiver Jitter
(peak to peak) JRXp-p 0.07 UI
Total Generated Receiver Jitter
(rms) JRXrms 0.007 UI
Notes:
1. Non condensing.
2. AC coupled.
3. Or open circuit.
4. Into 100 ohm differential termination.
5. 20 – 80 %
6. Signal Detect is LVTTL. Logic 1 indicates normal operation; logic 0 indicates no signal detected.
7. All transceiver specifications are compliant with a power supply sinusoidal modulation of 20 Hz to 1.5
MHz up to specified value applied through the power supply filtering network shown on page 23 of the
Small Form-factor Pluggable (SFP) Transceiver Mu ltiSource Agreement (MSA), September 14, 2000.
FTLF1323S2xTR 2x10 Pin SFF Product Specification – April 2007 F i n i s a r
© Finisar Corporat i o n A pri l , 20 0 7 Re v D Page 4
IV. Optical Characteristics (TOP = -40 to 85 °C, VCC = 3.00 to 3.60 Volts)
Parameter Symbol Min Typ Max Unit Ref.
Transmitter
Output Opt . Pwr: 9/ 1 25 SMF POUT -15 -8 dBm 1
Optical Wavelength λ 1260 1360 nm 2
Spectral Width σ 7.7 nm 2
Optical Extinction Ratio ER 8.2 dB
Optical Rise/Fall Time tr/ tf 1250 ps 3
Relative Intensity Noise RIN -120 dB/Hz
Total Generated Transmitter Jitter
(peak to peak) JTXp-p 0.07 UI
Total Generated Transmitter Jitter
(rms) JTXrms 0.007 UI
Receiver
Rx Sensitivity @ OC-3 RSENS1 -28 -8 dBm 4
Rx Sensitivity @ 125Mb/s RSENS2 -28 -8 dBm 4
Optical Cente r (I nput) Wavele ngth λC 1260 1600 nm
SD Assert SDA -34 dBm
SD De-Assert SDD -45 dBm
SD Hysteresis 0.5 dB
Notes:
1. Class 1 Laser Safety per FDA/CDRH and EN (IEC) 60825 regulations.
2. Also specified to meet curves in FC-PI 13.0 Figures 18 and 19, which allow trade-off between
wavelength, spectral width and OMA.
3. Unfiltered, 20 – 80%
4. With worst-case extinction ratio. Measured with a PRBS 223-1 test pattern.
FTLF1323S2xTR 2x10 Pin SFF Product Specification – April 2007 F i n i s a r
© Finisar Corporat i o n A pri l , 20 0 7 Re v D Page 5
V. General Specifications
Parameter Symbol Min Typ Max Units Ref.
Data Rate BR 125 156 Mb/sec 1
Bit Error Rate BER 10-10 2
Max. Supported Link Length on
9/125μm SMF @ OC-3 LMAX5 15 km 4
Notes:
1. SONET OC-3 SR/SDH STM I-1 and SONET OC-3 IR-1/SDH STM S-1.1 compliant. Compatible with
Ethernet,.
2. Tested with a PRBS 231-1 test pattern.
3. Attenuation of 0.55 dB/km is used for the link length calculations (per GR-253 CORE). Distances are
indicative only. Please refer to the Optical Specifications in Table IV to calculate a more accurate link
budget based on specific conditions in your application.
VI. Environmental Specifications
Finisar 1310nm SFP transceivers have an extended operating temperature range from
–40°C to +85°C case temperature.
Parameter Symbol Min Typ Max Units Ref.
Case Operating Temperature Top -40 85 °C
Storage Temperature Tsto -40 100 °C
VII. Regulatory Compliance
Finisar transceivers are Class 1 Laser Products and comply with US FDA regulations.
These products are certified by TÜV and CSA to meet the Class 1 eye safety
requirements of EN (IEC) 60825 and the electrical safety requirements of
EN (IEC) 60950. Copies of certificates are available at Finisar Corporation upon request.
FTLF1323S2xTR 2x10 Pin SFF Product Specification – April 2007 F i n i s a r
© Finisar Corporat i o n A pri l , 20 0 7 Re v D Page 6
VIII. Analog Diagnostics Functions (Top = -40 to 85 °C, VCC = 3.00 to 3.60 Volts)
Parameter Symbol Min Typ Max Unit Ref.
Transmitter
Monitor phot o di o de c ur rent monitor Pmon+,
Pmon-
0 Vcc V 1
Laser bias current monitor Bmon+,
Bmon-
0 Vcc V 2
Notes:
1. Pins 19 and 20 provide an analog voltage output proportional to the monitor photodiode current,
per the following formula: IBIAS = .V(Pmon+ - Pmon-) / 200Ω. The figure below shows the
equivalent circuit.
2. Pins 17 and 18 provide an analog voltage output proportional to the laser bias current, per the
following formula: IBIAS = .V(Bmon+ - Bmon-) / 10Ω. The figure below shows the equivalent
circuit.
3.
Vcc
10 Ω
3 KΩ
3 KΩ
Bmon+
Bmon-
Ibias
Vcc
200 Ω
3 KΩ
3 KΩ
Pmon+
Pmon-
Imon
Laser Monitor
Photodidoe
Analog monitoring function connections.
FTLF1323S2xTR 2x10 Pin SFF Product Specification – April 2007 F i n i s a r
© Finisar Corporat i o n A pri l , 20 0 7 Re v D Page 7
IX. Mechanical Specifications
Finisar’s OC-3/STM-1 Small Form Factor (SFF) transceivers comply with the standard
dimensions defined by the Small Form Factor Multi-Sourcing Agreement (MSA).
FTLF1323S2GTR – 2 pin version
FTLF1323S2xTR 2x10 Pin SFF Product Specification – April 2007 F i n i s a r
© Finisar Corporat i o n A pri l , 20 0 7 Re v D Page 8
FTLF1323S2MTR – 6 pin version
FTLF1323S2xTR 2x10 Pin SFF Product Specification – April 2007 F i n i s a r
© Finisar Corporat i o n A pri l , 20 0 7 Re v D Page 9
FTLF1323S2HTR – 6 pin version (Long EMI Shield)
FTLF1323S2xTR 2x10 Pin SFF Product Specification – April 2007 F i n i s a r
© Finisar Corporat i o n A pri l , 20 0 7 Re v D Page 10
X. PCB Layout and Bezel Recommendations
Minimum Recommended Pitch is 0.600”
FTLF1323S2xTR 2x10 Pin SFF Product Specification – April 2007 F i n i s a r
© Finisar Corporat i o n A pri l , 20 0 7 Re v D Page 11
XI. References
1. Small Form Factor (SFF) Transceiver Multisource Agreement (MSA). January
1998.
2. Bellcore GR-253 and ITU-T G.957 Specifications (Transmitter Optical Output
Power complies with SONET OC-48 requirements only).
3. IEEE Std 802.3, 2002 Edition, Clause 38, PMD Type 1000BASE-LX.
IEEE Standards Department, 2002. (Transmit Optical Output has a minimum
Extinction Ratio of 8.2 dB only).
4. Directive 2002/95/EC of the European Council Parliament and of the Council.
“On the restriction of the use of certain hazardous substances in electrical and
electronic equipment”. January 27, 2003.
5. “Application Note AN-2038: Finisar Implementation of RoHS Compliant
Transceivers: Finisar Corporation, January 21, 2005.
6. “Fibre Channel Draft Physical Interface Specification (FC-PI 13.0)”. American
National Standard for Information Systems. (*)
XII. For More Information
Finisar Corporation
1308 Moffett Park Drive
Sunnyvale, CA 94089-1133
Tel. 1-408-548-1000
Fax 1-408-541-6138
sales@finisar.com
www.finisar.com
