Sign in

Sign in
Reset PasswordCreate an Account

Create an Account

Create an Account
Sign in

100G QSFP28 LR Single λ 10 km

Ascent’s QSFP28 100G LR1 Ethernet module is a transceiver module designed for 10km optical communication applications, and it is compliant with IEEE 802.3cd and QSFP28 MSA standard.

    Compliant with QSFP28 Standard: SFF-8636 Rev 2.10a

    Compliant with IEEE802.3cu D3.2 100GBASE-LR1

    High speed I/O electrical interface (CAUI-4)

    Single 3.3V Supply Voltage

    Maximum power consumption 4.5W

    0-70 ºC Case Operating Temperature

    1311nm EML laser and PIN Receiver

    Hermetically sealed TO Based design

    QSFP28 MSA package with duplex LC connector

    Two Wire Serial Interface with Digital Diagnostic Monitoring

    KP4 FEC termination inside module

    Supporting 10km reach of single mode fiber

    Complies with EU Directive 2011/65/EU (RoHS compliant)

    Class 1 Laser


Absolute Maximum Ratings

Parameter

Symbol

Min.

Typ.

Max.

Unit

Notes

Storage Temperature

TS

‑40

+85

ºC


Supply Voltage

VCC

‑0.3

3.6

V


Relative Humidity (Non‑Condensing)

RH

5

95

%


Data Input Voltage – Differential

|VDIP‑VDIN|

1.0

V


Control Input Voltage

VI

‑0.3

Vcc+0.3

V


Control Output Current

IO

‑20

20

mA


 

Recommended Operating Conditions

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Operating Case Temperature

TOPR

0

70

°C


Power Supply Voltage

VCC

3.135

3.3

3.465

V


Instantaneous Peak Current at Hot Plug

ICC_IP

1800

mA


Sustained Peak Current at Hot Plug

ICC_SP

1485

mA


Maximum Power Dissipation

PD

4.5

W

1

Maximum Power Dissipation, Low Power Mode

PDLP

1.5

W


Signaling Rate

SR

53.125

GBd


Control Input Voltage High

VIH

VCC*0.7

VCC+0.3

V


Control Input Voltage Low

VIL

‑0.3

VCC*0.3

V


Two Wire Serial Interface Clock Rate

400

kHz


Power Supply Noise

66

mVpp

2

Rx Differential Data Output Load

100

ohms


Operating Distance

2

10000

m


Notes:

1. With power supply voltage 3.3 V.

2. 10Hz ‑10MHz

 

  Optical and Electrical Characteristics

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Transmitter

Wavelength

λC

1304.5

1311

1317.5

nm


Side Mode Suppression Ratio

SMSR

30

dB


Average Optical Launch Power

POUT

‑1.9

4.8

dBm

1

Average Launch Power of OFF Transmitter

POUT_OFF

‑15

dBm


Extinction Ratio

ER

3.5

dB


Outer Optical Modulation Amplitude

OMAouter

5

dBm


Outer Optical Modulation Amplitude

  for TDECQ <1.4 dB

  for 1.4 dB ≤TDECQ ≤3.4 dB

OMAouter

 

1.1

‑0.3+ TDECQ

 

 

 

dBm

dBm


Transmitter and Dispersion Eye Closure

TDECQ

3.4

dB


Transmitter eye closure for PAM4

(TECQ)

TECQ

 

 

 

3.4

 

dB


|TDECQ ‑ TECQ|

2.5

dB


Over/Under‑Shoot

22

%


Transmitter Power Excursion

2.8

dBm


RIN15.6OMA

RIN

‑136

dB/Hz


Optical return loss tolerance

ORLT

15.6

dB


Transmitter transition time


17

ps


Transmitter reflectance

TR

‑26

dB


Receiver

Wavelength

λC

1304.5

1311

1317.5

nm


Damage Threshold


5.8

dBm


Average Receive Power


‑8.2

4.8

dBm

2

Receive Power (OMAouter)

RP

5

dBm


Receiver Reflectance

RR

‑26

dB


Receiver Sensitivity (OMAouter)

  for TECQ < 1.4 dB

  for 1.4 dB≤ TECQ ≤3.4 dB

RS

 

 

 

‑6.1

‑7.5+ TECQ

 

dBm

dBm


Stressed Receiver Sensitivity

SRS

‑4.1

dBm

3

Stressed Receiver Sensitivity Test Conditions

Stressed eye closure for PAM4 (SECQ)

SECQ

3.4

dB


Notes:

1. Average launch power is informative and not the principal indicator of signal strength.

2. Average receive power (min) is informative and not the principal indicator of signal strength.

3. Measured with conformance test signal at TP3 for the BER = 2.4 x 10‑4.

 

 Electrical Specifications High Speed Signal

Compliant with IEEE 802.3 CAUI‑4

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Receiver (Module Output)

AC Common‑Mode Output Voltage (RMS)


17.5

mV


Differential Output Voltage


900

mV


Eye Width


0.57

UI


Eye Height Differential


228

mV


Vertical Eye Closure


5.5

dB


Differential Termination Mismatch


10

%


Transition Time (20% to 80%)


12

ps


DC Common Mode Voltage


‑350

2850

mV


Transmitter (Module Input)

Differential pk‑pk Input Voltage Tolerance


900

mV


Differential Termination Mismatch


10

%


Single‑Ended Voltage Tolerance Range


‑0.4

3.3

V


DC Common Mode Voltage


‑350

2850

mV


 

Electrical Specification Low Speed Signal

Compliant with SFF‑8679 Rev 1.8

Parameter

Symbol

Min.

Max.

Unit

Condition

Module Output SCL and SDA

VOL

0

0.4

V



VOH

Vcc‑0.5

Vcc+0.3

V


Module Input SCL and SDA

VIL

‑0.3

Vcc*0.3

V



VIH

Vcc*0.7

Vcc+0.5

V


LPMode/TxDis, ResetL, and ModSelL

VIL

‑0.3

0.8

V



VIH

2

Vcc+0.3

V


ModPrsL and IntL/RxLOSL

VOL

0

0.4

V



VOH

Vcc‑0.5

Vcc+0.3

V


Digital Diagnostics

Parameter

Range

Accuracy

Unit

Calibration

Temperature

0 to 70

±3

°C

Internal

Voltage

0 to VCC

±3%

V

Internal

Tx Bias Current

0 to 100

±10%

mA

Internal

Tx Output Power

‑1.9 to +4.8

±3

dB

Internal

Rx Receive Power

‑8.2 to +4.8

±3

dB

Internal


432-3.jpg

Series Recommendation
Related Information

Get in touch with our experts

Feedback