| 产品模块： | 6G 1330nm 15km SFP+ BiDi Transceiver |
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Description
MBS
The transceiver consists of two sections: The BOSA section incorporates a DFB Laser and a PIN-TIA with a coarse WDM function of 1270nm and 1330nm. The PCB section consists of a MCU, a LD Driver and a post amplifier. The module is hot pluggable into the 20-pin connector. The high-speed electrical interface is base on low voltage logic, with nominal 100 Ohms differential impedance and AC coupled in the module.
The optical output can be disabled by LVTTL logic high-level input of TX_DIS. Transmit Fault (Tx_Fault) is provided to indicate that the module transmitter has detected a fault condition related to laser operation or safety. Loss of signal (RX_LOS) output is provided to indicate the loss of an input optical signal of receiver. A serial EEPROM in the transceiver allows the user to access transceiver monitoring and configuration data via the 2-wire SFP Management Interface. Digital diagnostics function are available via a 2-wire serial interface, as specified in SFF-8472.
l Up to 10km transmission on SMF
l Support Multi Rate 1.25~6.25Gbps
l 1270/1330 DFB transmitter, PIN photo-detector
l Single LC connector for bi-directional application
l SFI electrical interface
l 2-wire interface for integrated Digital Diagnostic monitoring
l Very low EMI and excellent ESD protection
l Hot pluggable
l +3.3V power supply
l Power consumption less than 1.5W
l ROHS compliant
l Operating case temperature:-40~+
Applications
l High-speed storage area networks
l Computer cluster cross-connect
l Custom high-speed data pipes
l Wireless CPRI
Compliance
l Compliant with IEEE 802.3ae-2002
l Compliant with SFF-8431 & SFF-8432 & SFF 8472
l Compliant with FC-PI-4
Operating Conditions
|
Absolute Maximum Ratings |
||||
|
Parameter |
Symbol |
Min. |
Max. |
Unit |
|
Storage Temperature |
TS |
-40 |
+85 |
℃ |
|
TC |
-40 |
+85 |
℃ |
|
|
Relative Humidity（Non-condensing） |
RH |
5 |
+95 |
% |
|
Supply Voltage |
VCC3 |
0 |
3.6 |
V |
|
Recommended Operating Conditions |
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|
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
|
Operating Case Temperature |
TC |
-40 |
- |
85 |
℃ |
|
Power Supply Voltage |
VCC3 |
3.14 |
3.3 |
3.46 |
V |
|
Power Supply Current |
ICC3 |
- |
- |
450 |
mA |
|
Power Dissipation |
PD |
- |
- |
1.5 |
W |
|
Data Rate |
DR |
1.25 |
6.144 |
6.25 |
Gbps |
|
Transmission Distance |
TD |
- |
- |
10 |
Km |
Operating Characteristics
The following optical characteristics are defined over the Recommended Operating Environment unless otherwise specified.
Transmitter Operating Characteristic- Optical, Electrical |
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|
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
Note
|
|
Center Wavelength(MBS |
λC |
1260 |
1270 |
1280 |
nm |
|
|
Center Wavelength(MBS |
λC |
1320 |
1330 |
1340 |
nm |
|
|
-20dB Spectral width |
SW |
- |
- |
1 |
nm |
|
|
Side Mode Suppression Ratio |
SMSR |
30 |
- |
- |
dB |
|
|
Optical Power for TX DISABLE |
Poff |
- |
- |
-30 |
dBm |
|
|
Average Optical Power |
Pavg |
-8.2 |
- |
0.5 |
dBm |
1 |
|
Extinction Ratio |
ER |
3.5 |
- |
- |
dB |
|
|
Optical Return Loss |
ORL |
12 |
- |
- |
dB |
|
|
Operating Data Rate |
DR |
1.25 |
6.144 |
6.25 |
Gbps |
|
|
Optical Eye Mask |
- |
5% |
- |
- |
- |
2 |
|
TX Input Diff Voltage |
VI |
180 |
- |
700 |
mV |
|
|
Receiver Operating Characteristic- Optical, Electrical |
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|
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Note
|
|
Center Wavelength(MBS |
λc |
1320 |
1330 |
1340 |
nm |
|
|
Center Wavelength(MBS |
λc |
1260 |
1270 |
1280 |
nm |
|
|
Receive Sensitivity In Average Power |
Psens |
- |
- |
-14.4 |
dBm |
1 |
|
Los Assert |
LosA |
-30 |
- |
- |
dBm |
|
|
Los Dessert |
LosD |
- |
- |
-16 |
dBm |
|
|
Los Hysteresis |
LosH |
0.5 |
- |
6 |
dB |
|
|
Overload |
OL |
0.5 |
- |
- |
dBm |
1 |
|
Operating Data Rate |
DR |
1.25 |
6.144 |
6.25 |
Gbps |
|
|
Rx Output Diff Voltage |
Vo |
350 |
- |
850 |
mV |
|
Notes:
1. Average optical power shall be measured using the methods specified in TIA/EIA-455-95.
2. 1000 consecutive snapshots at room temperature.
|
Digital Diagnostic Functions |
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|
Parameter |
Symbol |
Min. |
Max. |
Unit |
Note
|
|
DMI_Temp |
-3 |
3 |
℃ |
Over operating temperature |
|
|
Laser power monitor absolute error |
DMI_TX |
-3 |
3 |
dB |
|
|
RX power monitor absolute error |
DMI_RX |
-3 |
3 |
dB |
-1dBm to -15dBm range |
|
Supply voltage monitor absolute error |
DMI_VCC |
-3% |
3% |
V |
Full operating range |
|
Bias current monitor absolute error |
DMI_Ibias |
-10% |
10% |
mA |
|
|
Control and Status I/O Timing Characteristics |
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|
Parameter |
Symbol |
Min. |
Max. |
Unit |
Note
|
|
|
TX Disable Assert Time |
t_off |
- |
100 |
µs |
1 |
|
|
TX Disable Negate Time |
t_on |
- |
2 |
ms |
2 |
|
|
Time to initialize including reset of TX_Fault |
t_init |
- |
300 |
ms |
3 |
|
|
TX Fault Assert Time |
t_fault |
- |
1 |
ms |
4 |
|
|
TX Fault Reset |
t_reset |
10 |
- |
µs |
5 |
|
|
LOS Assert Time |
t_loss_on |
- |
100 |
µs |
6 |
|
|
LOS Deassert Time |
t_loss_off |
- |
100 |
µs |
7 |
|
|
Two-wire serial interface Clock rate |
f_serial_clock |
- |
100 |
kHz |
|
|
Notes:
1. Time from rising edge of TX Disable to when the optical output falls below 10% of nominal
2. Time from falling edge of TX Disable to when the modulated optical output rises above 90% of nominal
3. From power on or negation of TX Fault using TX Disable
4. Time from fault to TX fault on
5. Time TX Disable must be held high to reset TX_fault
6. Time from LOS state to RX LOS assert
7. Time from non-LOS state to RX LOS deassert.
