1.25 Gbps CWDM Single Mode Transceiver
(5V)
C-1xx-1250(C)-TDFB-SSC2
Features
• SC Duplex Single Mode Transceiver
• Industry Standard 1x9 Footprint
• Complies with IEEE 802.3z Gigabit Ethernet
• Single +5V Power Supply
• Operating temperature Range 0 to 70ºC
• PECL Differential Inputs and Outputs
• PECL Signal Detection Output (C-1xx-1250-TDFB-SSC2)
• TTL Signal Detection Output (C-1xx-1250C-TDFB-SSC2)
• Wave solderable and Aqueous Washable
• Uncooled laser diode with MQW stucture
• Complies with Telcordia (Bellcore) GR-468-CORE
• 1.25 Gbps application
• CWDM application
Absolute Maximum Rating
Parameter
Power Supply Voltage
Output Current
Soldering Temperature
Operating temerature
Storage Temperature
Symbol
V
cc
I
out
-
Min.
0
0
-
0
-40
Max.
6
30
260
70
85
Unit
V
mA
ºC
ºC
ºC
Note
10 seconds on leads only
T
opr
T
stg
Recommended Operating Condition
Parameter
Power Supply Voltage
Operating Temperature
Data Rate
Symbol
V
cc
T
opr
-
Min.
4.75
0
-
Typ.
5
-
1250
Max.
5.25
70
-
Unit
V
ºC
Mbps
Transmitter Specifications, (0ºC<T
opr
<70ºC, 4.75V < V
CC
< 5.25V)
Parameter
Optical
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
Symbol
Min
Typical
Max
Unit
Notes
Output Power is coupled into a 9/125 µm single
mode fiber
λ
= 1xxx nm
-20 dB width
CW, P
o
= 5mW
P
o
λ
Δλ
Sr
ER
-5
λ
− 5.5
-
30
9
-
-
-
-
-
λ
-
35
-
-
-
-
-
0
λ
+ 7.5
1
-
-
0.26
0.26
-120
0.27
dBm
nm
nm
dB
dB
ns
ns
dB/Hz
ns
Compliant with IEEE 802.3z
20% to 80% Values
20% to 80% Values
Measured with 2
7
-1 PRBS with 72 ones and 72
zeros
RIN
TJ
1
1.25 Gbps CWDM Single Mode Transceiver
(5V)
C-1xx-1250(C)-TDFB-SSC2
Transmitter Specifications, (0ºC<T
opr
<70ºC, 4.75V < V
CC
< 5.25V)
Parameter
Electrical
Power Supply Current
Data Input Current-Low
Data Input Current-High
Differential Input Voltage
Data Input Voltage-Low
Data Input Voltage-High
I
CC
I
IL
I
IH
V
IH
-V
IL
V
IL
-V
CC
V
IH
-V
CC
-
-350
-
300
-2.0
-1.1
-
-
-
-
-
-
260
-
350
-
-1.58
-0.74
mA
µA
µA
mV
V
V
These inputs are compatible with 10K, 10KH and
100K ECL and PECL inputs
Maximum current is specified at Vcc= Maximum @
maximum temperature
Symbol
Min
Typical
Max
Unit
Notes
Receiver Specifications, (0ºC<T
opr
<70ºC, 4.75V < V
CC
< 5.25V)
Parameter
Optical
Sensitivity
Maximum Input Power
Signal Detect-Asserted
Signal Detect-Deasserted
Signal Detect-Hysteresis
Wavelength of Operation
-
P
in
Pa
Pd
Pa-pd
-
-
-
-38
1
1100
-
-
-
-
-
-
-22
-3
-22
-
-
1600
dBm
dBm
dBm
dBm
dB
nm
Measured on transition: low to high
Measured on transition: high to low
Measured with 2
7
-1 PRBS,BER= 10
-12
Symbol
Min
Typical
Max
Unit
Notes
Receiver Specifications, (0ºC<T
opr
<70ºC, 4.75V < V
CC
< 5.25V)
Parameter
Electrical
Power Supply Current
Data Output Voltage-Low
Data Output Voltage-High
Signal Detect Output Voltage-Low
Signal Detect 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
SDH
V
SDL-
V
cc
V
SDH-
V
cc
-
-2.0
-1.1
-
2.0
-2.0
-1.1
-
-
-
-
-
-
-
100
-1.58
-0.74
0.5
-
-1.58
-0.74
mA
V
V
V
V
V
V
The current excludes the output load current
These outputs are compatible with 10K,
10KH and 100KECL and LVPECL outputs
C-1xx-1250C-TDFB-SSC2
C-1xx-1250-TDFB-SSC2
Symbol
Min
Typical
Max
Unit
Note
2
1.25 Gbps CWDM Single Mode Transceiver
(5V)
C-1xx-1250(C)-TDFB-SSC2
Connection Diagram
1. (Rx GND)
2. (Rx +)
3. (Rx-)
4. (SD)
5. (Rx Vcc)
6. (Tx Vcc)
7. (TX-)
8. (TX+)
9. (Tx GND)
Receiver Signal Ground
NC
Receiver Data Out
Receiver Data Out Bar
Signal Detect
Receiver Power Supply
Transmitter Power Supply
Transmitter Data In Bar
Transmitter Data in
Transmitter Signal Ground
Top View
NC
PIN
1
2
3
4
5
6
7
8
Warnings
9
Symbol
RxGND
RD+
RD-
SD
RxVcc
TxVcc
TD-
TD+
TxGND
Notes
Directly connect this pin to the receiver ground plane
See recommended circuit schematic
See recommended circuit schematic
Active high on this indicates a received optical signal
+5V dc power for the receiver section
+5V dc power for the transmitter section
See recommended circuit schematic
See recommended circuit schematic
Directly connect this pin to the transmitter ground plane
3
1.25 Gbps CWDM Single Mode Transceiver
(5V)
C-1xx-1250(C)-TDFB-SSC2
Recommended Circuit Schematic
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.
4
1.25 Gbps CWDM Single Mode Transceiver
(5V)
C-1xx-1250(C)-TDFB-SSC2
Package Diagram
5
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