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CFP-40G-LR4

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Specifications

产品型号: CFP-40G-LR4
兼容品牌: 全系列
封装类型: CFP
传输速率: 40G
传输距离: Up to 10km over a SMF
发射波长: CWDM
吸收波长: CWDM
事情温度: 商业级0℃～+70℃/工业级-40℃～+85℃ 可选
数字诊断: 带DDM
吸收迅速度: Up to 10km over a SMF
吸收迅速度: Up to 10km over a SMF

Description

F-tone 40G CFP LR4 Optical Transceiver Module

Features

Transmission data rate up to 11.2Gbps per channel
CFP MSA compliant
Compliant to IEEE 802.3ba specification for 40GBASE-LR4 links
OTU3 compatible
1310nm Un-cooled CWDM DFB-DML ,Transmitter and optical MUX
High Sensitivity PIN-TIA and optical DEMUX
1271, 1291, 1311, 1331nm CWDM grid in ITU-T G.694.2 up to 10km over a SMF
MDIO digital diagnostic and control capabilities.
compliant to CFP MSA Management Interface Specification, Draft 1.4
TX input and RX output CDR retiming
Hot pluggable electrical interface
Power class 1 (<8W max)
Operating case temperature 0°C to +70°C
3.3V power supply
RoHS 6 compliant（lead free）

Applications

40GE Enterprise switches and routers
Carrier Grade 40GE Core-routers
CWDM Point to Point and Ring Application
Other high speed data connections

Description

The CFP optical transceiver module are a high performance, low power consumption, long reach(10 km) interconnect solution supporting 40G Ethernet. It is compliant with the CFP MSA and IEEE P802.3ba 40GBASE-LR4. F-tone CFP 40G LR4 modules offer 4 CWDM transmit and 4 CWDM receive asynchronous channels operating at up to 11.2Gbps per channel.

As shown in Figure 1, the transmitter side of the module consists of an array of VCSELs (Vertical Cavity Surface Emitting Lasers) and associated circuitry, which converts 4 parallel electrical data inputs to 4 parallel optical data output signals and also converts 4 parallel optical signals into 4 parallel electrical signals through an array of PIN photodiodes and associated circuitry.

Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage	Vcc	-0.3	3.6	V
Input Voltage	Vin	-0.3	Vcc+0.3	V
Storage Temperature	Tst	-40	85	?C
Case Operating Temperature	Top	0	70	?C
Humidity(non-condensing)	Rh		95	%

Recommended Operating Conditions

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	Vcc	3.13	3.3	3.47	V
Operating Case temperature	Tca	0		70	?C
Data Rate Per Lane	fd	-		11.2	Gbps
Humidity	Rh			85	%
Power Dissipation	Pm			8	W

Electrical Characteristics

Parameter	Symbol	Min	Typical	Max	Unit
Differential input impedance	Zin	90	100	110	ohm
Differential Output impedance	Zout	90	100	110	ohm
Differential input voltage amplitude	ΔVin	120		820	mVp-p
Differential output voltage amplitude	ΔVout	300		820	mVp-p
Input Logic Level High	VIH	2.0		VCC	V
Input Logic Level Low	VIL	0		0.8	V
Output Logic Level High	VOH	VCC-0.5		VCC	V
Output Logic Level Low	VOL	0		0.4	V

Note：

1. Differential input voltage amplitude is measured between TxnP and TxnN.

2. Differential output voltage amplitude is measured between RxnP and RxnN.

XLAUI Input Interface

XLAUI Receiver Parameters	symbol	Min	Typ	Max	Units	Note
Signal Rate Per Lane			10.3125		Gb/s
Signal Rate tolerance		-100		100	ppm
AC Common Mode Voltage Tolerance, RMS	CMVLTac			20	mV
Minimum Differential Input Return Loss	Rldiff	IEEE802.3ba Equation 83B-5			dB
Total Input Jitter Tolerance	Tjin			0.62	UI
Deterministic Input Jitter Tolerance	Tdin			0.42	UI
Transmitter Input Eye Mask (X1, X2)		(0.31, 0.5)			UI	1
Transmitter Input Eye Mask (Y1, Y2)		(42.5, 425)			mV	1

XLAUI Output Interface

XLAUI Driver Parameters	symbol	Min	Typ	Max	Units	Note
Signal Rate Per Lane			10.3125		Gb/s
Signal Rate tolerance		-100		100	ppm
Single-end Output Voltage	Vosingle	-0.4		4	V
Output AC Common Mode Voltage, RMS	Vocomac			15	mV
Output Rise and Fall Time (20%-80%)	Trftl	24			ps
Minimum Differential Output Return Loss	Rldiff	IEEE802.3ba Equation 83B-6			dB
Total Output Jitter	Tjo			0.4	UI
Deterministic Output Jitter	Tdo			0.25	UI
Receiver Output Eye Mask (X1, X2)		(0.2, 0.5)			UI	2
Receiver Output Eye Mask (Y1, Y2)		(136, 380)			mV	2

3.3V CMOS DC parameters

(MOD_RSTn, MOD_LOPWR, TX_DIS, PRG_CNTL, MOD_ABS, RX_LOS, GLB_ALRMn, PRG_ALRM )

Parameter	symbol	Min	Typ	Max	Units	Note
Output High Voltage (IOH=-100uA)	Voh	Vcc-0.2		Vcc+0.3	V
Output Low Voltage (IOL=100uA)	Vol	-0.3		0.2	V
Intput High Voltage	Vih	2		Vcc+0.3	V
Input Low Voltage	Vil	-0.3		0.8	V
Input Leakage Current	IIN	-10		10	μA
Minimun Pulse Width of Control Pin Signal	t_CNTL	100			μS

1.2V CMOS DC parameters (MDIO, MDC, PRTADR4:0)

Parameter	symbol	Min	Typ	Max	Units	Note
Intput High Voltage	Vih	0.84		1.5	V
Input Low Voltage	Vil	-0.3		0.36	V
Input Leakage Current	IIN	-100		100	μA
Output High Voltage	Voh	1.0		1.5	V
Output Low Voltage	Vol	-0.3		0.2	V
Output high current (Vi =1.0V)	Iioh			-4	mA
Output low current (Vi = 0.2V)	Iol	4			mA
Input Capacitance	Ci			10	pF

MDIO and MDC AC parameters

Parameter	symbol	Min	Typ	Max	Units	Note
MDC clock Frequency	fMDC	0.1		4	MHz
MDC clock period	tprd	250		10000	ns
MDIO data hold time	Thold	10			ns
MDIO data setup time	Tsetup	10			ns
MDC high and low time	twidth	40		60	%
MDC high and low time	twidth	160			ns
Delay from MDC rising edge to MDIO data change	Tdelay			175	ns
MDIO/MDC termination in CFP	Zt	100			kOhm

Optical Characteristics

Transmitter Optical Specifications (T = 25°C, VCC =3.3V +/- 5%)

Parameter	Symbol	Min	Typical	Max	Unit
Average Optical Power(per channel)	Pout	-7		2.3	dBm
Average Optical Power(per channel) - Disabled	Poff			-30	dBm
Optical Return Loss Tolerance				-12	dB
Extinction Ratio	ER	3			dB
Lane0 Wavelength	λc	1264.5	1271	1277.5	nm
Lane1 Wavelength	λc	1284.5	1291	1297.5	nm
Lane2 Wavelength	λc	1304.5	1311	1317.5	nm
Lane3 Wavelength	λc	1324.5	1331	1337.5	nm
Side-mode suppression ratio (SMSR)	SMSR	30			dB
Total average launch power	Ptotal			8.3	dBm
Transmitter eye mask definition {X1, X2, X3, Y1, Y2, Y3}	{0.25, 0.4, 0.45, 0.25, 0.28, 0.4}

Note：

1. Average optical power is measured at the output of the modules optical interface.

Receiver Optical Specifications (T = 25°C, VCC =3.3V +/- 5%)

Parameter	Symbol	Min	Typical	Max	Unit
Optical Power Sensitivity(per channel,OMA)				-11.5	dBm
Average receive power, each lane	Pin max			2.3	dBm
Average receive power, each lane	Pin min	-13.7			dBm
Stressed Receiver Sensitivity(OMA)	P_S			-9.6	dBm
Receiver reflectance	λc			-26	dB
Difference in receive power between any two lanes (OMA)	Rl			7.5	dB

Note：

1. Optical power sensitivity is measured with BER@10<sup< a="">>-12 at 10.3125Gbps per channel.

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