Sign in

Sign in
Reset PasswordCreate an Account

Create an Account

Create an Account
Sign in

100G QSFP28 DR1 1310 nm 500 m

Ascent’s QSFP28 100G DR1 Ethernet module is a transceiver module designed for 500m optical communication applications, and it is compliant with IEEE 802.3cu 100GBASE-DR standard.

    Compliant with QSFP28 Standard SFF-8636 Rev 2.10a

    Compliant with IEEE 802.3cd 100GBASE-DR

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

    Single 3.3V Supply Voltage

    Maximum power consumption 4W

    0-70 ºC Case Operating Temperature

    1310nm EML laser and PIN Receiver Array

    QSFP28 MSA package with duplex LC connector

    Two Wire Serial Interface with Digital Diagnostic Monitoring

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

    Class 1 Laser


Absolute Maximum Ratings

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Storage Temperature

TS

‑40

+85

°C


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+0.5

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

1600

mA


Sustained Peak Current at Hot Plug

ICC_SP

1320

mA


Maximum Power Dissipation

PD

4

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

500

m


Notes:

1. With power supply voltage 3.3V.

2. 10 Hz to 10 MHz.

 

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

‑2.9

4

dBm


Average Launch Power Tx_Off

POUT_OFF

‑15

dBm


Extinction Ratio

ER

3.5

dB


Outer Optical Modulation Amplitude

OMAouter

‑0.8

4.2

dBm


Launch Power in OMAouter Minus TDECQ for ER ≥ 4.5dB

OMAouter‑

TDECQ

‑2.2

 

dBm


Launch Power in OMAouter Minus TDECQ for ER < 4.5dB

OMAouter‑

TDECQ

‑1.9

 

dBm


Transmitter and Dispersion Eye Closure

TDECQ

3.4

dB


TDECQ – 10*log10(Ceq)


3.4

dB


Transmitter transition time


17

ps


RIN17.1OMA

RIN

‑136

dB/Hz


Optical return loss tolerance

ORLT

15.5

dB


Transmitter reflectance

TR

‑26

dB


Receiver

Wavelength

λC

1304.5

1311

1317.5

nm


Damage Threshold


5

dBm


Average Receive Power


‑5.9

4

dBm


Receive Power (OMAouter)

RP

4.2

dBm


Receiver Reflectance

RR

‑26

dB


Receiver Sensitivity (OMAouter)

RS



max(‑3.9, 

SECQ‑5.3)

 

dBm


Stressed Receiver Sensitivity

SRS

‑1.9

dBm


Stressed Receiver Sensitivity Test Conditions

Stressed Eye Closure for PAM4 (SECQ)

SECQ

3.4

dB


SECQ – 10*log10(Ceq)


3.4

dB


 

Electrical Specifications

Low‑Speed Signal: Compliant to SFF‑8679

High‑Speed Signal: Compliant to CAUI‑4 (IEEE 802.3‑2018)

 

Parameter

Symbol

Min.

Typ.

Max.

Unit

Notes

Transmitter (Module Input)

Differential Data Input Amplitude

VIN, P‑P

95

900

mVpp

1

Differential Termination Mismatch


10

%


LPMode, Reset and ModSelL

VIL

‑0.3

Vcc*0.3

V



VIH

VCC*0.7

VCC+0.3

V


Receiver (Module Output)

Differential Data Output Amplitude

VOUT, P‑P

250

900

mVpp

1

Differential Termination Mismatch


10

%


Output Rise/Fall Time, 20% to 80%

TR

9.5

ps


ModPrsL and IntL

VOL

0

0.4

V

IOL = 4 mA


VOH

VCC‑0.5

VCC+0.3

V

IOL = ‑4 mA

 Note 1: Amplitude customization beyond these specs is dependent on validation in customer system

Support for 100GAUI‑4 at 26.5625 Gbd when using KP4 FEC in chip‑to‑module interface.

Timing for QSFP28 Soft Control and Status Functions

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Initialization Time

t_init

15

s

1

Reset Init Assert Time

t_reset_init

10

µs


Serial Bus Hardware Ready Time

t_serial

2000

ms


Monitor Data Ready Time

t_data

2000

ms


Reset Assert Time

t_reset

15

s

1

LPMode Assert Time

ton_LPMode

100

µs


LPMode De‑assert Time

toff_LPMode

15

s

1

IntL Assert Time

ton_IntL

200

ms


IntL Deassert Time

toff_IntL

500

µs


Rx LOS Assert Time

ton_lol

100

ms


Tx Fault Assert Time

ton_Txfault

200

ms


Flag Assert Time

ton_flag

200

ms


Mask Assert Time

ton_mask

100

ms


Mask Deassert Time

toff_mask

100

ms


Application or Rate Select Change Time

t_ratesel

N/A

ms

2

Power_over‑ride or Power‑set Assert Time

ton_Pdown

100

ms


Power_over‑ride or Power‑set De‑assert Time

 

toff_Pdown

 

 

 

15

 

s

 

1

Notes:

1. DSP limitation.

2. This feature is unsupported.

 

I/O Timing for Squelch & Disable

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Rx Squelch Assert Time

ton_Rxsq



500

ms

1

Rx Squelch Deassert Time

toff_Rxsq



15

s

1

Tx Squelch Assert Time

ton_Txsq



400

ms


Tx Squelch Deassert Time

toff_Txsq



1500

ms

1

Tx Disable Assert Time

ton_txdis



100

ms


Tx Disable Deassert Time

toff_txdis



400

ms


Rx Output Disable Assert Time

ton_rxdis



100

ms


Rx Output Disable Deassert Time

toff_rxdis



100

ms


Squelch Disable Assert Time

ton_sqdis



100

ms


Squelch Disable Deassert Time

toff_sqdis



100

ms


Note 1: DSP limitation.

 

Digital Diagnostics

Parameter

Range

Accuracy

Unit

Calibration

Temperature

0 to 70

±3

°C

Internal

Voltage

0 to VCC

3 %

V

Internal

Tx Bias Current (each Lane)

0 to 100

10 %

mA

Internal

Tx Output Power (each Lane)

‑2.4 to 4.0

±3

dB

Internal

Rx Power (each Lane)

‑6.4 to 4.5

±3

dB

Internal


434-3.jpg

Series Recommendation
Related Information

Get in touch with our experts

Feedback