SFP Modules

1.25Gbps SFP Module Multimode LC, 550m data range (850nm)

P/N: TDE-AS-SX

Technical data

Features
• Operating data rate up to 1,25Gbps
• 850nm VCSEL Laser Transmitter
• 550m with 50/125μm MMF, 300m on 62,5/125µm MMF
• Single 3.3V Power supply and TTL Logic Interface
• Duplex LC Connector Interface
• Hot Pluggable
• Operating Case Temperature Industrial: -40°C~+85°C
• Compliant with MSA SFP Specification
• Digital diagnostic monitor interface Compatible with SFF-8472

Applications
• Gigabit Ethernet
• Fiber channel
• Switch to switch interface
• High speed I/O for file servers

Regulatory Compliance
FeaturesStandardPerformance
Electrostatic Discharge
(ESD) to the Electrical Pins
MIL-STD-883E
Method 3015.7
Class 1(>500 V)
Isolation with the case
Electromagnetic Interference (EMI) FCC Part 15 Class B Compatible with standards
Laser Eye Safety FDA 21CFR 1040.10 and
1040.11
EN60950, EN (IEC)
60825-1,2
Compatible with Class I
laser product.
Compatible with T üV
standards
Component Recognition UL and CUL UL file E317337
Green Products RoHS RoHS6
Absolute Maximum Ratings
ParameterSymbolMin.Max.Unit
Storage Temperature Ts -40 +85 °C
Supply Voltage Vcc -0.5 3.6 V
Recommended Operating Conditions
ParameterSymbolMin.Typ.Max.Unit
Operating Case Temperature TA -40   +85 °C
Power Supply Voltage Vcc 3.15 3.3 3.45 V
Power Supply Current Icc     300 mA
Surge Current ISurge     +30 mA
Baud Rate     1.25   GBaud
Performance Specifications - Electrical
ParameterSymbolMin.Typ.Max.UnitNotes
Transmitter            
LVPECL Inputs (Differential) Vin 400   2500 mVp AC coupled inputs
Input Impedance (Differential) Zin 85 100 115 ohms Rin > 100 kohms at DC
Tx_DISABLE Input Voltage - High   2   3.45 V  
Tx_DISABLE Input Voltage - Low   0   0.8 V  
Tx_FAULT Output Voltage - High   2   Vcc+0.3 V Io = 400μA; Host Vcc
Tx_FAULT Output Voltage - Low   0   0,5 V Io = -4.0mA
Receiver            
LVPECL Outputs (Differential) Vout 400 800 1200 mVpp AC coupled outputs
Output Impedance (Differential) Zout 85 100 115 ohms  
Rx_LOS Output Voltage - High   2   Vcc+0.3 V lo = 400μA; Host Vcc
Rx_LOS Output Voltage - Low   0   0.8 V lo = -4.0mA
MOD_DEF ( 0:2 ) VoH
VoL
2.5
0
 
0.5
V
V
With Serial
ID
Optical and Electrical Characteristics
ParameterSymbolMin.Typ.Max.Unit
50μm Core Diameter MMF L      550 m
Data Rate     1.25   Gbps
Transmitter          
Centre Wavelength λc 820 850 860 nm
Spectral Width (RMS) σ     0.85 nm
Average Output Power P 0ut -9   -4 dBm
Extinction Ratio EX  9     dB
Rise/Fall Time (20% − 80%) tr/tf     260 ps
Output Optical Eye ITU-T G.957 Compliant        
Data Input Swing Differential V IN 500   2000 mV
Input Differential Impedance ZIN 90 100 110 Ω

TX Disable - Disable
                - Enable

  2.0
0
  VCC+0.3
0.8
V
V
TX_Fault - Fault
             - Normal
  2.0
0
  VCC+0.3
0.8
V
V
TX_Disable Assert Time t_off     10 us
Receiver          
Centre Wavelength λc 760   860 nm
Receiver Sensitivity PIN     -17 dBm
Output Differential Impedance P IN 90 100 110 Ω
Data Output Swing Differential VOUT 370   2000 mV
Rise/Fall Time Tr/tf     2.2 ns
LOS De-Assert LOSD     -20 dBm
LOS Assert LOSA -40     dBm

LOS  -High
        -Low

  2.0
0
  VCC+0.3
0.8
V
V
P/N Description Quantity
TDE-AS-SX 1.25Gbps SFP Module Multimode LC, 550m data range (850nm)

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