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8.5Gbps850nm SFP+ Transceiver storage module

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8.5Gbps850nm SFP+ Transceiver,100m Reach

StoageModule 8.5G 100M  


1. Applications

Ø  Tri-Rate 8.5 Gb/s Fibre Channel

Ø  Other optical links

 

2.Features

Ø  Up to 8.5Gb/s bi-directional data links

Ø  Hot-pluggable SFP+ footprint

Ø  Built-in digital diagnosticfunctions

Ø  Built-in CDR with shut offcontrol

Ø  850nm Oxide VCSEL lasertransmitter

Ø  Duplex LC connector

Ø  RoHS compliant and Lead Free

Ø  35m on 50/125um MMF

Ø  150m on high-bandwidth 50/125um(OM3)

Ø  Metal enclosure, for lower EMI

Ø  Single 3.3V power supply

Ø  Operating temperature range:0°C to 70°C

3. Description

100G.SHOP’s 8.5GSW SFP+ transceivers are designed for use in FibreChannel links up to 8.5

Gb/s data rateover multimode fiber.   They are compliantwith FC-PI-5 Rev. 6.00a, SFF-8472 Rev 11.0c and SFF-8081h, andcompatible with SFF-8432b and applicable portions of SFF-8431 Rev. 4.1d.The opticaltransceiver is compliant per the RoHS.

4.standard

Ø  Electrical interface compliant toSFF-8431

Ø  Compliant with SFF-8472 Rev 10.2

Ø  Compliant with IEEE 802.3ae10GBASE-LR and 10GBASE-LW

Ø  RoHS Compliant

5.Performance Specifications

5.1.Absolute Maximum Ratings

These values represent the damage threshold of the module. Stress inexcess of any of the individual Absolute Maximum Ratings can cause immediatecatastrophic damage to the module even if all other parameters are withinRecommended Operating Conditions.

Table.1 Absolute maximumratings

Parameter

Symbol

Min

Max

Unit

Maximum Supply Voltage

Vcc

-0.5

4.0

V

Storage Temperature

Ts

0

70

°C

RX Input Average Power

Pmax


0

dBm

Relative Humidity

RH

5

85

%

 

5.2.Recommended Operating Conditions

Table.2 RecommendedOperating Conditions

Parameter

Symbol

Min

Typical

Max

Unit

Operating Case Temperature

Standard Tc

0

25

70

°C

Power Supply Voltage

Vcc

3.15

3.3

3.46

V

Power Supply Current

Icc



290

mA

Power Dissipation

PD

90


800

mW

Data Rate

DR


8.5


Gbps

Transmission Distance

TD


150


m

 

5.3. Transmitter Specification

Table.3 TransmitterSpecification (Optical)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Average Output Power

Po

-6


-1

dBm


Disable Power

Poff



-40

dBm


Extinction Ratio

ER

3.5



dB


Output Centre Wavelength

λc

840


860

nm


Spectral Width (RMS) @ 8.5Gb/s

Δλ



0.59

nm


Optical Modulation Amplitude @ 8.5 Gb/s

OMA

-5.2



dBm


Optical Return Loss

ORL



-12

dB


Transmitter Waveform and Dispersion Penalty

DP



4.3

dB


Optical Rise/Fall Time

(20%~80%)

tr/tf



0.09

ns


Optical Eye Mask

MM

Compliant to IEEE802.3ae

1




Relative Intensity Noise

Rin



-128(12dB reflection)

dB/Hz


Note: 1. Measured at 8.5Gbps, PRBS2^7-1, NRZ

Table.4 TransmitterSpecification (Electrical)

Parameter

Symbol

Min

Typical

Max

Unit


Data Input Swing Differential

VIN

90


800

mV


Input Differential Impedance

ZIN

90

100

110

Ω


Transmit Disable Input

High

VIH

2.0


Vcc+0.3

V

Low

VIL

0


0.8

V


Transmit Enable Output

High

VOH

Vee


Vee+0.8

V

Low

VOL

0


0.4

V


 

 

5.4. Receiver Specification

Table.5 ReceiverSpecification (Optical)

Parameter

Symbol

Min

Typical

Max

Unit

note

Centre Wavelength

λc

840

850

860

nm


Receiver Sensitivity

Sen



-11.2

dBm

2

Receiver Overload

Psat

0



dBm

2

LOS De-Assert

LOSD



-13

dBm


LOS Assert

LOSA

-30



dBm


LOS Hysteresis


0.5



dB


Receiver Reflectance

Rrx



-12

dB


Note :2. Measured at BER10-12, 8.5Gbps, PRBS2^7-1, NRZ

Table.6 ReceiverSpecification (Electrical)

Parameter

Symbol

Min

Typical

Max

Unit

note


Data Output Swing Differential

Vout

185


425

mV



Deterministic Jitter @ 8.5 Gb/s

RX DJ



0.22

UI



LOS Output

High

VOH

2


Vcc+0.3

V


Low

VOL

Vee


Vee+0.8

V



 

 

5.5. Diagnostics Specification

 

Table.7Diagnostics Specification

Parameter

Range

Unit

Accuracy

Calibration

Temperature

0 to 70

±3℃

Internal / External

Voltage

3.0 to 3.6

V

±3%

Internal / External

Bias Current

0 to 100

mA

±10%

Internal / External

TX Power

-7.8 to 0

dBm

±3dB

Internal / External

RX Power

-30 to 0

dBm

±3dB

Internal / External

 

 

 

 

 

5.6. Pin Definitions


Table.8Pin Definitions

PIN

Symbol

Description

Remarks

1

VEET

Transmitter ground (common with receiver ground)

Circuit ground is isolated from chassis ground

2

Tx_Fault

Transmitter Fault. Not supported


3

Tx_Disable

Transmitter Disable. Laser output disable on high or open

Disabled: TDIS>2V or open

Enabled: TDIS<0.8V

4

SDA

2-wire Serial Interface Data Line

Should Be pulled up with 4.7k – 10k ohm on host board to a voltage between 2V and 3.6V

5

SCL

2-wire Serial Interface Clock Line


6

MOD_ABS

Module Absent. Grounded within the module.


7

RS0

No connection required


8

RX_LOS

Loss of Signal indication. Logic 0 indicates normal operation

LOS is open collector output

9

RS1

No connection required


10

VEER

Receiver ground (common with transmitter ground)

Circuit ground is isolated from chassis ground

11

VEER

Receiver ground (common with transmitter ground)


12

RD–

Receiver Inverted DATA out. AC coupled


13

RD+

Receiver Non-inverted DATA out. AC coupled


14

VEER

Receiver ground (common with transmitter ground)

Circuit ground is isolated from chassis ground

15

VCCR

Receiver power supply


16

VCCT

Transmitter power supply


17

VEET

Transmitter ground (common with receiver ground)

Circuit ground is isolated from chassis ground

18

TD+

Transmitter Non-Inverted DATA in. AC coupled


19

TD–

Transmitter Inverted DATA in. AC coupled


20

VEET

Transmitter ground (common with receiver ground)

Circuit ground is isolated from chassis ground

 

5.7. Timing Electrical Interface

 

Table.9 Timing ElectricalInterface

Parameter

Symbol

Min

Max

Units

Conditions

Tx_Disable Assert Time

t_off


100

us

Rising edge of Tx_Disable to fall of output signal below 10% of nominal

Tx_Disable Negate Time

t_on


2

ms

Tx_Disable negate time. Falling edge of Tx_Disable to rise of output signal above 90% of nominal. This only applies in normal operation, not during start up or fault recovery.

Time to initialize 

t_start_up


300

ms

From power supplies or hot plug or Tx disable negated during power up, or Tx_Fault recovery, until non-cooled power level I is fully operational.

Tx_Fault Assert Time

Tx_Fault


1

ms

From occurrence of fault to assertion of Tx_Fault

Tx_Fault to Reset

t_reset

10


us

Time Tx_Disable must be held high to reset Tx_Fault

Rx_LOS Assert Time

t_los_on


100

us

From occurrence of loss of signal to assertion of Rx_LOS

Rx_LOS De-Assert Time

t_los_off


100

us

From occurrence of presence of signal to negation of Rx_LOS