155 Mbps Single Mode SFF LC Transceiver
C-15-155-FDFB-SLCx
Features
• Duplex LC Single Mode Transceiver
• Small Form Factor Multi-sourced 2 x 5 Pin Package
• Long reach SONET OC-3 / SDH STM-1 LR2 Compliant
• Single+3.3V Power Supply
• LVPECL Differential Inputs and Outputs
• Class 1 Laser International Safety Standard IEC 825
Compliant
• Solderability to MIL-STD-883, Method 2003
• Pin coating is Sn/Pb with minimum 2% Pb content
• Flammability to UL94V0
• Humidity RH 5-85% (5-95% short term) to IEC 68-2-3
• Complies with Bellcore GR-468-CORE
• Uncooled laser diode with MQW structure
• ATM 155Mb/s Links
• RoHS compliance available
Absolute Maximum Rating
Parameter
Power Supply Voltage
Output Current
Soldering Temperature
Storage Temperature
Symbol
V
cc
I
out
-
T
stg
Min.
0
0
-
-40
Max.
3.6
30
260
85
Unit
V
mA
ºC
ºC
10 seconds on leads only
Note
Recommended Operating Condition
Parameter
Power Supply Voltage
Operating Temperature (Case)
Operating Temperature (Case)
Data Rate
1
1
Symbol
V
cc
T
opr
T
opr
-
Min.
3.1
-40
0
-
Typ.
3.3
-
-
155
Max.
3.5
85
70
-
Unit
V
ºC
ºC
Mbps
Note 1 : Please refer to ordering information
Transmitter Specifications
Parameter
Optical
Optical Transmit Power
Optical Transmit Power
Output center Wavelength
Output Spectrum Width
Side Mode Suppression Ratio
Extinction Ratio
Output Eye
Optical Rise Time
Optical Fall Time
Relative Intensity Noise
Total Jitter
tr
tf
RIN
TJ
P
o
P
o
λ
∆λ
Sr
ER
-5
-3
1480
-
30
10
-
-
-
-
-
-
1550
-
35
-
-
-
-
-
0
+3
1580
1
-
-
2
2
-116
1.2
dBm
dBm
nm
nm
dBm
dB
ns
ns
dB/Hz
ns
Measured with 2
23
-1 PRBS
10% to 90% Values
10% to 90% Values
Output power is coupled into a 9/125μm
single mode fiber. C-15-155-FDFB-SLC8(10)
Output power is coupled into a 9/125μm
single mode fiber. C-15-155-FDFB-SLC10
+25°C
-20 dB width
Symbol
Min
Typical
Max
Unit
Notes
Compliant with ITU recommendation G.957
LUMINENTOIC.COM
20550 Nordhoff St. • Chatsworth, CA 91311 • tel: 818.773.9044 • fax: 818.576.9486
9F, No 81, Shui Lee Rd. • Hsinchu, Taiwan, R.O.C. • tel: 886.3.5169222 • fax: 886.3.5169213
1
LUMNDS1504-Jun2307
Rev A.3
155 Mbps Single Mode SFF LC Transceiver
C-15-155-FDFB-SLCx
Transmitter Specifications
Parameter
Electrical
Power Supply Current
Transmit Enable Voltage
Transmit Disable Voltage
Data Input Current-Low
Data Input Current-High
Data Input Voltage-Low
Data Input Voltage-High
I
CC
VEN
VD
Symbol
Min
Typical
Max
Unit
Notes
Maximum current is specified at
Vcc= Maximum @ maximum temperature
-
0
2.0
-200
-
-2.0
-1.1
-
-
-
-
-
-
-
180
0.8
Vcc
-
200
-1.58
-0.74
mA
V
V
µA
µA
V
V
I
IL
I
IH
V
IL
-V
CC
V
IH
-V
CC
These inputs are compatible with 10K, 10KH
and 100K ECL and PECL inputs
Receiver Specifications
Parameter
Optical
Sensitivity
Maximum Input Power
Signal Detect-Asserted
Signal Detect-Deasserted
Signal Detect-Hysteresis
Wavelength of Operation
-
P
in
Pa
Pd
-
0
-
-48
1.0
1100
-
-
-
-
-
-
-37
-
-37
-
4.0
1600
dBm
dBm
dBm
dBm
dB
nm
Measured on transition: low to high
Measured on transition: high to low
Measured with 2
23
-
1 PRBS with 72 ones
and 72 zeros.(ITU-T recommendation
G.958)
Symbol
Min
Typical
Max
Unit
Notes
Receiver Specifications
Parameter
Electrical
Power Supply Current
Data Output Voltage-Low
Data Output Voltage-High
Signal Detect Output Voltage-Low
Signal Detect Output Voltage-High
I
CC
V
OL
-V
cc
V
OH
-
V
cc
V
SDL-
V
cc
V
SDH-
V
cc
-
-1.98
-1.1
-1.98
-1.1
-
-
-
-
-
100
-1.71
-0.91
-0.71
-0.91
mA
V
V
V
V
These outputs are compatible with 10K,
10KH and 100K ECL and LVPECL outputs
The current excludes the output load
current
Symbol
Min
Typical
Max
Unit
Note
LUMINENTOIC.COM
20550 Nordhoff St. • Chatsworth, CA 91311 • tel: 818.773.9044 • fax: 818.576.9486
9F, No 81, Shui Lee Rd. • Hsinchu, Taiwan, R.O.C. • tel: 886.3.5169222 • fax: 886.3.5169213
2
LUMNDS1504-Jun2307
Rev A.3
155 Mbps Single Mode SFF LC Transceiver
C-15-155-FDFB-SLCx
Connection Diagram
Legal Notice
PIN
1
2
3
4
5
6
7
8
9
10
Symbol
RxGND
TxVcc
SD
RD-
RD+
TxVcc
TxGND
TxDIS
TD+
TD-
Notes
Directly connect this pin to the receiver ground plane
+3.3 V dc power for the receiver section
Active high on this indicates a received optical signal(LVPECL)
Receiver Data Out Bar (LVPECL)
Receiver Dat Out (LVPECL)
+3.3 V dc power for the transmitter section
Directly connect this pin to the transmitter ground plane
Transmitter disable (LVTTL)
Transmitter Data In (LVPECL)
Transmitter Data In Bar (LVPECL)
The attaching posts are at case potential and may be connected to chassis
ground. They are isolated from circuit ground.
Attaching Posts
LUMINENTOIC.COM
20550 Nordhoff St. • Chatsworth, CA 91311 • tel: 818.773.9044 • fax: 818.576.9486
9F, No 81, Shui Lee Rd. • Hsinchu, Taiwan, R.O.C. • tel: 886.3.5169222 • fax: 886.3.5169213
3
LUMNDS1504-Jun2307
Rev A.3
155 Mbps Single Mode SFF LC Transceiver
C-15-155-FDFB-SLCx
Recommended Circuit Schematic
PHY DEVICE
TERMINATE AT
TRANSCEIVER INPUTS
Vcc(+3.3V)
Z=50
½
TD-
100
½
LVPECL
Z=50
½
TD+
130
½
130
½
10
TD-
9
TD+
8
TxDIS
7
TxGND
6
1
½
H
Tx Disable
LVTTL
Vcc(+3.3V)
C3
TxVcc
Tx
Rx
C2
10
½
F
RxGND
RxVcc
RD+
RD-
SD
1
½
H
C1
RD+
Vcc(+3.3V)
1
2
3
4
5
Z=50
½
100
½
RD-
LVPECL
Z=50
½
130
½
130
½
Z=50
½
Vcc(+3.3V)
130
½
SD
LVPECL
82
½
NOTE:C1=C2=C3=100nF
TERMINATE AT
DEVICE INPUTS
The split-loaded terminations for ECL signals need to be located at the input of devices receiving those ECL signals.
The power supply filtering is required for good EMI performance. Use short tracks from the inductor L1/L2 to the module Rx Vcc.
A GND plane under the module is required for good EMI and sensitivity performance.
LUMINENTOIC.COM
20550 Nordhoff St. • Chatsworth, CA 91311 • tel: 818.773.9044 • fax: 818.576.9486
9F, No 81, Shui Lee Rd. • Hsinchu, Taiwan, R.O.C. • tel: 886.3.5169222 • fax: 886.3.5169213
4
LUMNDS1504-Jun2307
Rev A.3
155 Mbps Single Mode SFF LC Transceiver
C-15-155-FDFB-SLCx
Printed Circuit Board Layout Consideration
A fiber-optic receiver employs a very high gain, wide bandwidth transimpedance amplifier. This amplifier detects and amplifies
signals that are only tens of nA in amplitude when the receiver is operating near it’s limit. Any unwanted signal current that couples into the
receiver circuitry causes 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 printed circuit board.
At a minimum, a double-sided printed circuit board(PCB) with a large component side ground plane beneath the transceiver must
be used. In applications that include many other high speed devices, a multi-layer PCB is highly recommended. This permits the placement of
power and ground on separate layers, wich allows them to be isolated from the signal lines. Multilayer construction also permits the routing of
signal traces away from high level, high speed sinal 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
be used in both transmitter and receiver power supplies.
EMI and ESC Consideration
LuminentOIC transceivers offer a metalized plastic case and a special chassis grounding clip. As shown in the drawing, this clip connects
the module case to chassis ground then installs flush through the panel cutout. This way, the grounding clip brushes the edge of the cutout in
order to make a proper contact. The use of a grounding clip also provides increased electrostatic protection and helps reduce radiated emission
from the module or the host circuit board through the chassis faceplate. The attaching posts are at case potential and may be connected to chassis
ground. They should not be connected to circuit ground.
Plastic optical subassemblies are used to further reduce the possibility of radiated emission by eliminating the metal from the
transmitter and receiver diode housings, which extend into connector space. By providing a non-metal receptacle for the optical cable ferrule, the
gigabit speed RF electrical signal is isolated from the connector area thus preventing radiated energy leakage from these surfaces to the outside of
the panel.
LUMINENTOIC.COM
20550 Nordhoff St. • Chatsworth, CA 91311 • tel: 818.773.9044 • fax: 818.576.9486
9F, No 81, Shui Lee Rd. • Hsinchu, Taiwan, R.O.C. • tel: 886.3.5169222 • fax: 886.3.5169213
5
LUMNDS1504-Jun2307
Rev A.3
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