100BASE-LX SFP Transceiver, 2km Reach

Features
● Build-in PHY supporting SGMII Interface
● 100BASE-LX operation
● 1310nm FP laser and PIN photo-detector
● 2km transmission with MMF
● Standard serial ID information Compatible with SFP MSA
● SFP MSA package with duplex LC connector
● With Spring-Latch for high density application
● Very low EMI and excellent ESD protection
● +3.3V single power supply
● Operating case temperature: -40 to +85°C

Applications
● Switch to Switch interface
● Switched backplane applications
● Router/Server interface
● Other optical transmission systems

Standard
● Compatible with SFP MSA
● Compatible with IEEE 802.3ah-2004

Description
The SFP transceiver is high performance, cost effective modules. It is designed for 100BASE-LX applications of 2km with MMF. The transceiver consists of two sections: The standard SFP part and the PHY part built with SGMII interface.
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. The standard serial ID information Compatible with SFP MSA describes the transceiver’s capabilities, standard interfaces, manufacturer and other information. The host equipment can access this information via the 2-wire serial CMOS EEPROM protocol. For further information, please refer to SFP Multi-Source Agreement (MSA).

Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Maximum Supply Voltage	Vcc	-0.5	3.6	V
Storage Temperature	TS	-40	85	℃
Relative Humidity	RH	5	85	%

Note:Stress in excess of the maximum absolute ratings can cause permanent damage to the module

Recommended Operating Conditions

Parameter	Symbol	Min	Typical	Max	Unit
Operating Case Temperature	TC	-40		85	℃
Power Supply Voltage	VCC	3.1	3.3	3.5	V
Power Supply Current	Icc			420	mA
Data Rate			125		Mbps

Optical and Electrical Characteristics

Parameter		Symbol	Min.	Typical	Max.	Unit	Notes
Transmitter
Centre Wavelength		λC	1261	1310	1360	nm
Average Output Power		P0ut	-16		-10	dBm	1
Spectral Width (RMS)		σ			7.7	nm	1
Extinction Ratio		EX	9			dB
Rise/Fall Time		Tr/Tf			3	ns	2
Output Optical Eye		Compatible with IEEE 802.3ah-2004					3
Data Input Swing Differential(SGMII Series interface)		VIN	200		2100	mV	4
Input Differential Impedance		ZIN	80	100	120	Ω
TX Disable	Disable		2.0		Vcc	V
	Enable		0		0.8	V
TX Fault	Fault		2.0		Vcc+0.3	V
	Normal		0		0.8	V
Receiver
Centre Wavelength		λC	1260		1570	nm
Receiver Sensitivity					-30	dBm	5
Receiver Overload			-8			dBm	5
LOS De-Assert		LOSD			-31	dBm
LOS Assert		LOSA	-45			dBm
LOS Hysteresis			1		4.5	dB
Total Jitter(SGMII Series Interface)		Tj			0.43	UI
Data Output Swing Differential		VOUT	370		2000	mV	4
LOS	High		2.0		Vcc+0.3	V
	Low		0		0.8	V

Mechanical Dimensions

Ordering information

Part Number	Product Description
FTCS-M1303-02DI	1310nm,  125Mbps, 2km, LC, -40°C~+85°C, With DDM

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Important Notice

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