The FTCQ-4X-PSMLR4-GC&FTCQ-4X-PSMLR4I-GC QSFP+ PSM4 optical transceiver is intended for up to 10km reach service with four-lane 10.3125G data rate. It is based on 3.3V DC power supply and operates in the temperature range. It is compliant with QSFP MSA、SFF-8436 and IEEE802.3ba-2018. Digital diagnostic functions are available via I2C interface，and the control functions can be achieved by LVTTL interfaces on the host, mainly including Module Select(ModSelL)、Module Reset(ResetL)、Low Power Mode(LPMode). The transceiver incorporates a four-laser array which is usually DFB 、four-PIN diode array 、an integrated four drivers and TIAs IC separately. The differential AC coupled Tx and Rx data interfaces are CML compatible.

Applications

  • 40G BASE Ethernet
  • Infiniband EDR interconnects
  • Enterprise networking

Features

  • MPO-12 optical interface
  • Maximum link length upto10km
  • Upto 10.3125Gb/s data linksper lane
  • +3.3 V power supply
  • QSFPMSA compliant package
  • Hot Pluggable
  • High performance singal modeDML transmitter
  • High sensitivity PIN/TIA optical receiver
  • Single Mode operation
  • Case Operating temperature: 0 to 70ºC, -40to +85 ºC
  • Data and Control Interfaces
  • Tx DataCML/AC Coupled
  • Rx DataCML/AC Coupled
  • ModSelL  LVTTL
  • ResetL LVTTL
  • ModPrsL LVTTL
  • LPModeLVTTL
  • 2-wire I2C communicationbus
  • RoHS 6 compliance

Absolute maximum parameters

Absolute Maximum Ratings (EXCEEDING THESE RATINGS MAY CAUSE IRREVERSIBLE DAMAGE TO THE DEVICE)

Parameter

Symbol

Min

Max

Units

Notes

Storage Temperature

Tstg

-40

+95

ºC

Exceeding the absolute maximum ratings may cause irreversible damage to the device.

The device is not intended to be operated under the condition of simultaneous absolute

maximum rat- ings, which may cause irreversible damage to the device.

Case Operating Temperature

TO

  0

70

ºC

 -40

+85

Relative Humidity - Storage

RHS

0

95

%

Relative Humidity - Operating

RHO

0

85

%

Supply Voltage

VCC

-0.3

3.6

V

 

Operating conditions

Recommended Operating Conditions

Parameter

Symbol

Min

Typ

Max

Units

Notes

Case Operating Temperature

Tcase

0

-

+70

ºC

-40

-

+85

DC Supply Voltage

VCC

3.135

-

3.465

V

Module Supply Current

Iin

-

-

1060

mA

 

Electrical Characteristics

Transmitter Electrical Characteristics

Parameter

Symbol

Mi

Typ

Max

Units

Notes

Differential Data input Swing

Vin

180

-

900

mV

Tx Differential Input Impendence

Zin

90

100

110

Ω

Tx Differential Output Impendence

Zout

45

50

55

Ω

ResetL Disable Voltage

Vr

2.0

-

Vcc+0.3

V

ResetL Enable Voltage

VrEN

0

-

0.8

V

ModSelL Disable Voltage

Vm

2.0

-

Vcc+0.3

V

ModSelL Enable Voltage

VmEN

0

-

0.8

V

Receiver Electrical Characteristics

Parameter

Symbol

Min

Typ

Max

Units

Notes

Differential Data Output Swing

Vout

180

-

900

mV

Rx Differential Output Impendence

Zout

90

100

110

Ω

IntL Assert Voltage

VInt

VCC-0.5

-

VCC+0.3

V

IntL De-assert Voltage

VDInt

0

-

+0.4

V

 

Optical Specification

Transmitter Optical Specification

Parameter

Symbol

Min

Typ

Max

Units

Notes

Signal Rate|Each Lane

10.3125±100ppm

Gbps

Lane Wavelength

L0

1295

1310

1325

nm

L1

1295

1310

1325

nm

L2

1295

1310

1325

nm

L3

1295

1310

1325

nm

Side Mode Suppression Ratio

SMSR

30

dB

Average Launch Power|Each Lane

Pavg

-6

4

dBm

Optical Modulation Amplitude|Each Lane

OMA

4.5

dBm

1

Transmitter and dispersion penalty|Each Lane

TDP

2.6

dB

Eye Mask coordinates:

X1, X2, X3, Y1, Y2, Y3

{0.25, 0.4, 0.45, 0.25, 0.28, 0.4}

Average launch power of OFF transmitter|Each Lane

-30

dBm

Extinction Ratio

ER

3.5

dB

Spectral Width|20dB

1

nm

Transmitter Reflectance

-12

dB

Optical return loss tolerance

20

dB

Note:1. Even if the TDP < 0.8dB, the OMA min must exceed the minimum value specified here.

Receiver Optical Specification

Parameter

Symbol

Min

Typ

Max

Units

Notes

Signal Speed Per Lane

10.3125±100ppm

Gbps

Lane Wavelength

L0

1295

1310

1325

nm

L1

1295

1310

1325

nm

L2

1295

1310

1325

nm

L3

1295

1310

1325

nm

Damage threshold|Each Lane

THd

5

dBm

1

Average Receive Power|Each Lane

-12.6

4

dBm

Receiver reflectance

-26

dB

Sensitivity  OMA|Each Lane[1]

Sen1

-12

dBm

2

Stressed Receiver Sensitivity

(OMA), each Lane

-8.6

dBm

LOS Assert

LOSA

-30

-

dBm

LOS Deassert

LOSD

-17

dBm

LOS Hysteresis

LOSH

0.5

5

dB

Vertical Eye Closure Penalty

VECP

1.9

dB

3

Stressed Eye J2 Jitter

J2

0.3

UI

Stressed Eye J4 Jitter

J4

0.47

UI

Note:
1. The receiver shall be able to tolerate, without damage, continuous exposure to a modulated optical input signal having this power level on one lane. The receiver does not have to operate correctly at this input power.
2. Measured with conformance test signal at receiver input for BER = 1e-12 .
3. Vertical eye closure penalty and stressed eye jitter are test conditions for measuring stressed receiver sensitivity. They are not characteristics of the receiver.

Mechanical Dimensions12

Ordering Code

Ordering Information

Part Number

Case Operating Temperature

FTCQ-4X-PSMLR4-GC

0 to 70 ºC

FTCQ-4X-PSMLR4I-GC

-40 to +85 ºC

 

 

 

 

 

 

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Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

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