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CFP-40G-SR4

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Specifications

产品型号: CFP-40G-SR4
兼容品牌: 全系列
封装类型: CFP
传输速率: 40G
传输距离: OM3 300M / OM4 400M
发射波长: 850nm
吸收波长: 850nm
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: OM3 300M / OM4 400M
吸收迅速度: OM3 300M / OM4 400M

Description

F-tone 40G CFP SR4 Optical Transceiver Module

Features

Transmission data rate up to 11.2Gbit/s per channel
CFP MSA compliant
Compliant to IEEE 802.3ba specification for 40GBASE-SR4 links
Up to 11.2 Gbps per channel bandwidth,
OTU3 compatible
4 channels 850nm VCSEL array
4 channels PIN photo detector array
OM3 Multimode Fiber cable of up to 300m and OM4 Multimode Fiber cable of up to 400m
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

High-speed core router interlinks and data center aggregation
Test equipment

Description

The CFP optical transceiver module are a high performance, low power consumption, short reach(1m to 300m) interconnect solution supporting 40G Ethernet. It is compliant with the CFP MSA and IEEE P802.3ba 40GBASE-SR4. F-tone CFP 40G SR4 modules offer 4 transmit and 4 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	-20	85	?C
Case Operating Temperature	Top	0	70	?C
Humidity(non-condensing)	Rh	5	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	5		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.

Optical Characteristics

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

Parameter	Symbol	Min	Typical	Max	Unit
Average Optical Power(per channel)	Pout	-7.5		2.5	dBm
Average Optical Power(per channel) - Disabled	Poff			-30	dBm
Optical Return Loss Tolerance				12	dB
Extinction Ratio	ER	3			dB
Center Wavelength	λc	840	850	860	nm
RMS Spectral Width	λ		0.5	0.65	nm
Transmitter eye mask	Compliant to IEEE802.3ba eye mask specification

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)	Pin min		-12	-9.9	dBm
Optical Power Saturation(per channel)	Pin max	+1			dBm
Stressed Receiver Sensitivity	P_S			-5.4	dBm
Center Wavelength	λc	840	850	860	nm
RMS Spectral Width	λ		0.5	0.65	nm
Optical Return Loss	Rl	12			dB

Note：

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

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