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SFP+ 850nm

SFP+ 850nm多模光?

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Specifications

  • 产品型号: FTCS-851X-02X
  • 兼容品牌: 全系列
  • 封装类型: SFP+
  • 传输速率: Supports 9.95Gbps to 10.5Gbps bit rates
  • 传输距离: 传输距离300米
  • 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: 传输距离300米
  • 吸收迅速度: 传输距离300米

Description

SFP+ SR Optical Transceiver

1/10Gbps 850nm Multimode Datacom SFP+ Optical Transceiver

Features

  1. Hot-pluggable SFP+ footprint
  2. Supports rate selectable 1.25 Gb/sOr 9.95 to 10.3 Gb/s bit rates
  3. Power dissipation < 1W
  4. RoHS-6 compliant ( lead-free )
  5. Single 3.3V power supply
  6. Maximum link length of 300m on2000 MHZ-km MMF
  7. Uncooled 850nm VCSEL laser
  8. Receiver limiting electrical interface
  9. Duplex LC Connector
  10. Built-in digital diagnostic functions
  11. Commercial temperature range: 0°C to 70°C(Standard), -40°C to 85°C (Industrial)

Applications

  1. 1000BASE-SX 1G Ethernet
  2. 10GBASE-SR/SW 10G Ethernet
  3. Other optical links

Product description

F-tone’sFTCS-851X-02X 1G/10G Dual-Rate SFP+ transceivers are designed for use in 1-Gigabit and 10-Gigabit Ethernet links over multimode fiber. They are compliant with SFF-8431, IEEE 802.3-2005 10GBASE-SR/SW and 1000BASE-SX. Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF-8472. The FTCS-851X-02X is a “limiting module”, i.e., it employs a limiting receiver. Host board designers using an EDC PHY IC should follow the IC manufacturer’s recommended settings for interoperability with an SFP+ limiting module. This product is for applications specifically designed for 10G SFP+ ports and 1G/10G SFP+ ports and not native 1G SFP ports. The transceiver is RoHS compliant and lead free per Directive 2002/95/EC5.

Absolute Maximum Ratings

These values represent the damage threshold of the module. Stress in excess of any of the individual Absolute Maximum Ratings can cause immediate catastrophic damage to the module even if all other parameters are within Recommended Operating Conditions.

Parameters

Symbol

Min.

Max.

Unit

Supply Voltage

VCC

-0.5

+3.6

V

Storage Temperature

Tc

-40

+85

°C

Operating Case Temperature

Tc

0

+70

°C

Relative Humidity

RH

0

85

%

Table 3: Absolute Maximum Rating

Recommended Operating Conditions

Parameter

Symbol

Min.

Typical

Max

Unit

Supply Voltage

VCC

3.0

3.3

3.6

V

Supply current

Icc

 

200

300

mA

Operating Case Temperature

TC

0

25

70

°C

Module Power Dissipation

Pm

-

0.7

1

W

Notes:

[1] Supply current is shared between VCCTX and VCCRX.

[2] In-rush is defined as current level above steady state current requirements.

Electrical characteristics(TOP = 0 to 70℃, VCC = 3.14 to 3.46 Volts)

     Parameter

Symbol

Min.

Typical

Max

Unit

Ref.

Supply Voltage

VCC

3.14

 

3.46

V

 

Supply Voltage

Icc

   

250

mA

 

   Transmitter

Input differential impedance

Rin

 

100

 

Ω

1

Differential data input swing

Vin,pp

180

 

700

mVpp

2

Transmit Disable Voltage

VD

2

 

VCC

V

 

Transmit Enable Voltage

VEN

Vee

 

Vee+0.8

V

 

   Receiver

Output differential impedance

Rout

 

100

 

Ω

 

Differential data output swing

Vout,pp

300

 

700

mV

3

Data output rise time, fall time

tr

28

   

ps

4

LOS Fault

VLOS fault

2

 

VCCHOST

V

5

LOS Normal

VLOS norm

Vee

 

Vee+0.8

V

5

Power Supply Noise Tolerance

VccT/VccR

Per SFF-8431 Rev 3.0

mVpp

6

Notes:

1. Connected directly to TX data input pins. AC coupling from pins into laser driver IC.

2. Voltage swing for 1G operation is equivalent to voltage swing in 10G operation (SFF-8431 Rev3.0).

3. Into 100Ω differential termination. Voltage swing for 1G operation is equivalent to voltage swing in 10G operation (SFF-8431 Rev 3.0).

4. 20–80%. Measured with Module Compliance Test Board and OMA test pattern. Use of four 1’sand four 0’s in sequence in the PRBS^9 is an acceptable alternative. SFF-8431 Rev 3.0

5. LOS is an open collector output. Should be pulled up with 4.7kΩ – 10kΩ on the host board.

Normal operation is logic 0; loss of signal is logic 1. Maximum pull-up voltage is 5.5V.

6. Testing methodology per SFF-8431. Rev 3.0

Optical characteristics for RS0 = LOW (1G Operation)

(TOP = 0 to 70℃, VCC = 3.14 to 3.46 Volts)

     Parameter

Symbol

Min.

Typical

Max

Units

Ref.

   Transmitter

Average Launch Power

PAVE

-9.5

 

-1

dBm

1

Optical Wavelength

λC

840

850

860

nm

2

Rise-Fall Time

Trise/Tfall

   

0.26

ns

3

RMS Spectral Width

Δλrms

   

0.45

dB

 

Average Extinction Ratio

ER

9

   

dB

 

Average Launch Power of OFF Transmitter

POFF

   

-30

dBm

 

Eye Mask

 

Compliant with IEEE 802.3

Tx Jitter

Txj

Relative Intensity Noise

RIN

   

-117

dB/Hz

 

   Receiver

Wavelength Range

λC

840

 

860

Nm

2

Receiver Sensitivity

RSENS

-17

   

dBm

 

Stressed Receiver Sensitivity 50 μm MMF

SRS50um

   

-13.5

dBm

4

Stressed Receiver Sensitivity 62.5 μm MMF

SRS62um

   

-12.5

dBm

4

Maximum Input Power

PMAX

+0.5

   

dBm

 

Return Loss

Rrx

12

   

dB

 

LOS De-Assert

LOSD

   

-18

dBm

 

LOS Assert

LOSA

-30

   

dBm

 

LOS Hysteresis

 

0.5

   

dB

 

Notes:

1. Max is equivalent to 10G max spec.

2. This product has not been designed to support 780-nm laser operation.

3. 20%-80%.

4. Per IEEE 802.3-2005. 9dB extinction ratio transmitter.

Optical characteristics for RS0 = HIGH (10G Operation)

(TOP = 0 to 70℃, VCC = 3.14 to 3.46 Volts)

     Parameter

Symbol

Min.

Typical

Max

Units

Ref.

   Transmitter

Average Modulation Amplitude(OMA)

POMA

 

-1.5

 

dBm

1

Average Launch Power

PAVE

-5

 

-1

dBm

2

Optical Wavelength

λC

840

850

860

nm

1

RMS Spectral Width

Δλrms

   

0.45

dB

1

Average Extinction Ratio

ER

3.5

   

dB

 

Average Launch Power of OFF Transmitter

POFF

   

-30

dBm

 

Eye Mask

 

Compliant with IEEE 802.3

Tx Jitter

Txj

Relative Intensity Noise

RIN

   

-117

dB/Hz

 

   Receiver

Wavelength Range

λC

840

 

860

Nm

 

Receiver Sensitivity(OMA)@10.3Gb/s

RSENS1

   

-11.1

dBm

3

Stressed Receiver Sensitivity (OMA) @ 10.3Gb/s

RSENS2

   

-7.5

dBm

4

Maximum Input Power

PMAX

+0.5

   

dBm

 

Return Loss

Rrx

12

   

dB

 

LOS De-Assert

LOSD

   

-18

dBm

 

LOS Assert

LOSA

-30

   

dBm

 

LOS Hysteresis

 

0.5

   

dB

 

Notes:

1. Per Tradeoff Table 52.8, IEEE 802.3-2005

2. Average Power figures are informative only, per IEEE802.3-2005.

3. Measured with worst ER; BER<10-12; 231 – 1 PRBS.

4. Per IEEE 802.3-2005.

General Specifications

     Parameter

Symbol

Min.

Typical

Max

Units

Ref.

Bit Rate (RS0 = LOW)

BR

 

1.25

 

Gb/s

1

Bit Rate (RS0 = HIGH)

BR

9.95

10.3

 

Gb/s

2

     Parameter

Symbol

Max. Supported Distance

Units

Distance

@1G

@10G

Fiber Type

850nm OFL Bandwidth

       

62.5?m

160 MHz-km

Lmax

220

26

m

 

275

33

50?m

400 MHz-km

Lmax

500

66

m

OM2 500 MHz-km

550

82

OM3 2000 MHz-km

>550

300

Notes:

1. 1000BASE-SX. Tested with a 27 – 1 PRBS. See Section I, Note 5 for RS0 conditions for 1.25Gb/s operation.

2. 10GBASE-SR/SW. Tested with a 231 – 1 PRBS. See Section I, Note 5 for RS0 conditions for 10.3 Gb/s operation.

Pin Descriptions

       Figure1.Electrical Pin-out Details

Pin

Symbol

Name/Description

1

VEET [1]

Transmitter Ground

2

Tx_FAULT [2]

Transmitter Fault

3

Tx_DIS   [3]

Transmitter Disable. Laser output disabled on high or open

4

SDA [2]

2-wire Serial Interface Data Line

5

SCL [2]

2-wire Serial Interface Clock Line

6

MOD_ABS [4]

Module Absent. Grounded within the module

7

RS0 [5]

RS0 for Rate Select: Open or Low = Module supports ≤4.25Gbps

High = Module supports 9.95 Gb/s to 10.3125 Gb/s

8

RX_LOS [2]

Loss of Signal indication. Logic 0 indicates normal operation

9

RS1 [5]

No connection required

10

VEER [1]

Receiver Ground

11

VEER [1]

Receiver Ground

12

RD-

Receiver Inverted DATA out. AC Coupled

13

RD+

Receiver DATA out. AC Coupled

14

VEER [1]

Receiver Ground

15

VCCR

Receiver Power Supply

16

VCCT

Transmitter Power Supply

17

VEET [1]

Transmitter Ground

18

TD+

Transmitter DATA in. AC Coupled

19

TD-

Transmitter Inverted DATA in. AC Coupled

20

VEET [1]

Transmitter Ground

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes:

[1] Module circuit ground is isolated from module chassis ground within the module.

[2].should be pulled up with 4.7k – 10k ohms on host board to a voltage between 3.15Vand 3.6V.

[3]Tx_Disable is an input contact with a 4.7 kΩ to 10 kΩ pullup to VccT inside the module.

[4]Mod_ABS is connected to VeeT or VeeR in the SFP+ module. The host may pull this contact up to Vcc_Host with a resistor in the range 4.7 kΩ to10 kΩ.Mod_ABS is asserted “High” when the SFP+ module is physically absent from a host slot.

[5]RS0 and RS1 are module inputs and are pulled low to VeeT with > 30 kΩ resistors in the module.

Ordering information

Part Number

Product Description

FTCS-851X-02

850nm, 10Gbps, 300m,   0?C ~ +70?C

FTCS-851X-02I

850nm, 10Gbps, 300m,   -40°C to 85°C (Industrial)

 

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