Product Description
F-tone Networks’s FTCS-1312-20Dxx-GC Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). The transceiver consists of five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the FP laser and the PIN photo-detector.The module data link up to 10KM in 9/125um single mode fiber.
The optical output can be disabled by a TTL logic high-level input of Tx Disable, and the system also can disable the module via I2C. Tx Fault is provided to indicate that degradation of the laser. Loss of signal (LOS) output is provided to indicate the loss of an input optical signal of receiver or the link status with partner. The system can also get the LOS (or Link)/Disable/Fault information via I2C register access.
Product Features
● Up to 1.25Gb/s data links
● 1310nm FP laser transmitter and PIN photo-detector
● Up to 20km on 9/125µm SMF
● Hot-pluggable SFP footprint
● Duplex LC/UPC type pluggable optical interface
● Low power dissipation
● Metal enclosure, for lower EMI
● RoHS compliant and lead-free
● Single +3.3V power supply
● Support Digital Diagnostic Monitoring interface
● Compliant with SFF-8472
● Meet ESD requirements, resist 8KV direct contact voltage
● Case operating temperature
● Commercial: 0°C to +70°C
Extended: -10°C to +80°C
Industrial: -40°C to +85°C
Applications
● Switch to Switch Interface
● Gigabit Ethernet
● 1xFiber channel Application
● Switched Backplane Applications
● Router/Server Interface
● Other Optical Links
Absolute Maximum Ratings
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Note |
Storage Temperature |
Ts |
-40 |
85 |
ºC |
||
Relative Humidity |
RH |
5 |
95 |
% |
||
Power Supply Voltage |
VCC |
-0.5 |
4 |
V |
||
Signal Input Voltage |
-0.3 |
Vcc+0.3 |
V |
|||
Receiver Damage Threshold |
+5 |
dBm |
Recommended Operating Conditions
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Note |
Case Operating Temperature |
Tcase |
0 |
70 |
ºC |
FTCS-1312-20D-GC |
|
-10 |
80 |
FTCS-1312-20DE-GC |
||||
-40 |
85 |
FTCS-1312-20DI-GC |
||||
Power Supply Voltage |
VCC |
3.13 |
3.3 |
3.47 |
V |
|
Power Supply Current |
ICC |
250 |
mA |
|||
Power Supply Noise Rejection |
100 |
mVp-p |
100Hz to 1MHz |
|||
Data Rate |
1250/1250 |
Mbps |
TX Rate/RX Rate |
|||
Transmission Distance |
20 |
KM |
||||
Coupled Fiber |
Single mode fiber |
9/125um SMF |
Specification of Transmitter
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Note |
Average Output Power |
POUT |
-9 |
-3 |
dBm |
Note (1) |
|
Extinction Ratio |
ER |
9 |
dB |
|||
Center Wavelength |
λC |
1270 |
1310 |
1360 |
nm |
|
Side Mode Suppression Ratio |
SMSR |
- |
dB |
|||
Spectrum Bandwidth (RMS) |
σ |
3.5 |
nm |
|||
Transmitter OFF Output Power |
POff |
-45 |
dBm |
|||
Output Eye Mask |
Compliant with IEEE802.3 z (class 1 laser safety) |
Note (2) |
Notes:
1.Measure at 2^7-1 NRZ PRBS pattern
2.Transmitter eye mask definition
Specification of Receiver
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Note |
Input Optical Wavelength |
λIN |
1270 |
1610 |
nm |
PIN-TIA |
|
Receiver Sensitivity |
PIN |
-20 |
dBm |
Note (1) |
||
Input Saturation Power (Overload) |
PSAT |
-3 |
dBm |
|||
Los Of Signal Assert |
PA |
-36 |
dBm |
|||
Los Of Signal De-assert |
PD |
-21 |
dBm |
Note (2) |
||
LOS Hysteresis |
PA-PD |
0.5 |
2 |
6 |
dB |
Notes:
1.Measured with Light source 1310nm, ER=9dB; BER =<10^-12 @PRBS=2^7-1 NRZ
2.When LOS de-asserted, the RX data+/- output is High-level (fixed)
Electrical Interface Characteristics
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Note |
Power Consumption |
P |
|
|
0.85 |
W |
|
Supply Current |
Icc |
|
|
250 |
mA |
|
Transmitter |
||||||
Single-ended Input Voltage Tolerance |
VCC |
-0.3 |
4.0 |
V |
||
Differential Input Voltage Swing |
Vin,pp |
200 |
2400 |
mVpp |
||
Differential Input Impedance |
Zin |
90 |
100 |
110 |
Ohm |
|
Transmit Disable Assert Time |
5 |
us |
||||
Transmit Disable Voltage |
Vdis |
Vcc-1.3 |
Vcc |
V |
||
Transmit Enable Voltage |
Ven |
Vee-0.3 |
0.8 |
V |
||
Receiver |
||||||
Differential Output Voltage Swing |
Vout,pp |
500 |
900 |
mVpp |
||
Differential Output Impedance |
Zout |
90 |
100 |
110 |
Ohm |
|
Data output rise/fall time |
Tr/Tf |
100 |
ps |
20% to 80% |
||
LOS Assert Voltage |
VlosH |
Vcc-1.3 |
Vcc |
V |
||
LOS De-assert Voltage |
VlosL |
Vee-0.3 |
0.8 |
V |
Mechanical Specifications (Unit: mm)
Part Number Ordering information
Product part Number |
Data Rate (Mbps) |
Media |
Wavelength(nm) |
Transmission Distance(km) |
Temperature Range(Tcase)(℃) |
|
FTCS-1312-20D-GC |
1250 |
Single mode fiber |
1310 |
20 |
0~70 |
commercial |
FTCS-1312-20DE-GC |
1250 |
Single mode fiber |
1310 |
20 |
-10~80 |
extended |
FTCS-1312-20DI-GC |
1250 |
Single mode fiber |
1310 |
20 |
-40~85 |
industrial |
注:“GC”为全国产。