The transceiver consists of three sections: a 850nm VCSEL laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.

The transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA)1. They are compatible with Fiber Channel per FC-PI-2 Rev. 10.0. also simultaneously compatible with Gigabit Ethernet as specified in IEEE Std 802.3.

Absolute Maximum Ratings

Table 1 - Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Power Supply Voltage	Vcc-Vee	0	3.6	V
Operating Case Temperature (Commercial)	Tc	0	70	°C
Operating Case Temperature (Industrial)	Tc	-40	+85	°C
Storage Temperature	Ts	-40	+85	°C
Operating Humidity	-	5	90	%

Recommended Operating Conditions

Table 2 - Recommended Operating Conditions

Parameter		Symbol	Min	Typical	Max	Unit
Operating Case Temperature	Standard	Tc	0		+70	°C
Power Supply Voltage		Vcc	3.13	3.3	3.47	V
Power Supply Current		Icc			240	mA
Data Rate				4.25		Gbps

Optical and Electrical Characteristics

Table 3 - Optical and Electrical Characteristics

Parameter		Symbol		Min	Typical	Max	Unit	Notes
Transmitter
Date Rate					4.25		Gb/S
Centre Wavelength			λc	830		860	nm
Spectral Width (RMS)			∆λ			1	nm
Average Output Power (BOL)			Pout	-9		-2.5	dBm	1
Extinction Ratio			ER	5			dB
Average Launch Power-OFF Transmitter			Pout			-4.5	dBm
Optical Eye Diagram			Fiber Channel Compliant
Optical Rise/Fall Time(20%~80%)			tr/tf			120	ns
Data Input Swing Differential			V_IN	300		1800	mV	2
Input Differential Impedance			Z_IN	90	100	110	Ω
TX Disable	Disable			2.0		Vcc	V
TX Disable	Enable			0		0.8	V
TX Fault	Fault			2.0		Vcc	V
TX Fault	Normal			0		0.8	V
Receiver
Centre Wavelength			λc	830		860	nm
Receiver Sensitivity (BOL)						-15	dBm	3
Receiver Overload				0			dBm	3
LOS De-Assert			LOS_D			-20	dBm
LOS Assert			LOS_A	-25			dBm
LOS Hysteresis				0.5		6	dB
Receiver Reflectance						-20	dB
Data Output Swing Differential			Vout	350		1800	mV	4
Loss of Signal (LOS) Assert Time			TAssert			500	nS
Loss of Signal (LOS) DeassertTime			TDeassert			500	nS
LOS			High	2.0		Vcc	V
LOS			Low	0		0.8	V

Notes:

1. The optical power is launched into MMF.

2. PECL input, internally AC-coupled and terminated.

3. Measured with a PRBS 2⁷-1 test pattern @1250Mbps, BER ≤1×10^-12

4. Internally AC-coupled.

Timing and Electrical

Table 4 - Timing and Electrical

Parameter	Symbol	Min	Typical	Max	Unit
Tx Disable Negate Time	t_on			1	ms
Tx Disable Assert Time	t_off			10	µs
Time To Initialize, including Reset of Tx Fault	t_init			300	ms
Tx Fault Assert Time	t_fault			100	µs
Tx Disable To Reset	t_reset	10			µs
LOS Assert Time	t_loss_on			100	µs
LOS De-assert Time	t_loss_off			100	µs
Serial ID Clock Rate	f_serial_clock			400	KHz
MOD_DEF (0:2)-High	V_H	2		Vcc	V
MOD_DEF (0:2)-Low	V_L			0.8	V

Diagnostics

Table 5 – Diagnostics Specification

Parameter	Range	Unit	Accuracy	Calibration
Temperature	0 to +70	°C	±3°C	Internal / External
Temperature	-40 to +85	°C	±3°C	Internal / External
Voltage	3.0 to 3.6	V	±3%	Internal / External
Bias Current	0 to 100	mA	±10%	Internal / External
TX Power	-9 to -3	dBm	±3dB	Internal / External
RX Power	-23 to -3	dBm	±3dB	Internal / External

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