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    100Gbps Multimode 100Meter QSFP28 Transceiver

    100Gbps Multimode 100Meter QSFP28 compatible Transceiver

    100Gbps Multimode 100Meter QSFP28 Transceiver ,fully tested compatible for over 100 vendors.

    DESCRIPTION

    The 100Gb/s QSFP28 SR4 transceiver is compliant with the QSFP28 MSA and IEEE 802.3bm. QSFP28 SR4 is an assembly of four full-duplex lanes, where each lane is capable of transmitting data at rates up to 25.78Gb/s, providing an aggregated rate of 103.125Gb/s

    APPLICATION

    • 100GBASE-SR4100G Ethernet
    • 40GBASE-SR440G Ethernet
    • High-speedinterconnects within/between switches, routers and transport equipment
    • Server-serverclusters
    • Super-computinginterconnections
    • Interconnectsrack-to-rack, shelf-to-shelf, board-to-board, board-to-optical backplane

    FEATURES

    • Four-channelfull-duplex transceiver
    • 78Gb/sdata rate per channel
    • Maximumlink length of 70m on OM3(MMF) ,100m on OM4 (MMF)
    • Powerdissipation < 5W
    • Built-indigital diagnostic functions
    • Built-inCDR
    • 850nmVCSEL transmitter
    • GoodEMI performance
    • Single3V power supply
    • RoHScompliant
    • Operatingcase temperature: 0~+70°C

    ABSOLUTE MAXIMUM RATINGS (TC=25°C, UNLESS OTHERWISE NOTED)

    Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings will cause permanent damage and/or adversely affect device reliability.

     

    Parameter

    Symbol

    Min

    Typical

    Max

    Unit

    Notes

    Storage Temperature

    TS

    -40

    -

    +85

    ºC

     

    Maximum Supply Voltage

    Vcc

    -0.3

    -

    3.6

    V

     

    Operating Relative Humidity

    RH

    15

    -

    +85

    %

     

     

    RECOMMENDED OPERATING CONDITIONS

    Parameter

    Symbol

    Min

    Typical

    Max

    Unit

    Notes

    Data Rate

    DR

     

     

    103.1

    Gb/s

    1

    Bit Error Rate

    BER

     

     

    5E-5

     

    2

    Operating Case Temperature

    Tcase

    0

     

    70

    ºC

     

    Fiber Length on MMF(OM4)

    L

     

     

    100

    m

    3

     

    Notes:

    1. Supports 100GBASE-SR4per IEEE 3bm.
    2. Testedwith a 231 – 1 PRBS.
    3. RequiresFEC on the host to support maximum distance, per 100GBASE-SR4.

    PIN DESCRIPTIONS

    Pin

    Symbol

    Name/Description

    Ref.

    1

    GND

    Ground

    1

    2

    Tx2n

    Transmitter Inverted Data Input

     

    3

    Tx2p

    Transmitter Non-Inverted Data Input

     

    4

    GND

    Ground

    1

    5

    Tx4n

    Transmitter Inverted Data Input

     

    6

    Tx4p

    Transmitter Non-Inverted Data Input

     

    7

    GND

    Ground

    1

    8

    ModSelL

    Module Select

     

    9

    ResetL

    Module Reset

     

    10

    Vcc Rx

    +3.3 V Power supply receiver

     

    11

    SCL

    2-wire serial interface clock

     

    12

    SDA

    2-wire serial interface data

     

    13

    GND

    Ground

    1

    14

    Rx3p

    Receiver Non-Inverted Data Output

     

    15

    Rx3n

    Receiver Inverted Data Output

     

    16

    GND

    Ground

    1

    17

    Rx1p

    Receiver Non-Inverted Data Output

     

    18

    Rx1n

    Receiver Inverted Data Output

     

    19

    GND

    Ground

    1

    20

    GND

    Ground

    1

    21

    Rx2n

    Receiver Inverted Data Output

     

    22

    Rx2p

    Receiver Non-Inverted Data Output

     

    23

    GND

    Ground

    1

    24

    Rx4n

    Receiver Inverted Data Output

     

    25

    Rx4p

    Receiver Non-Inverted Data Output

     

    26

    GND

    Ground

    1

    27

    ModPrsL

    Module Present

     

    28

    IntL

    Interrupt

    2

    29

    Vcc Tx

    +3.3 V Power supply transmitter

     

    30

    Vcc1

    +3.3 V Power Supply

     

    31

    LPMode

    Low Power Mode

     

    32

    GND

    Ground

    1

    33

    Tx3p

    Transmitter Non-Inverted Data Input

     

    34

    Tx3n

    Transmitter Inverted Data Input

     

    35

    GND

    Ground

    1

    36

    Tx1p

    Transmitter Non-Inverted Data Input

     

    37

    Tx1n

    Transmitter Inverted Data Input

     

    38

    GND

    Ground

    1

     

    1. Circuitground is internally isolated from chassis 
    2. IntLis an open collector/drain output, which should be pulled up with a 7k – 10k Ohms resistor on the host board. The INTL pin is deasserted "High" after completion of reset, when byte 2 bit 0 (Data Not Ready) is read with a value of '0' and the flag field is read.

    ELECTRICAL SPECIFICATION

     

    Parameter

    Symbol

    Min

    Typical

     

    Max

    Units

    Notes

    Supply Voltage

    Vcc

    3.135

     

     

    3.465

    V

     

    Supply Current

    Icc

     

     

     

     

    0.75

    A

     

    Module Total Power

    P

     

     

     

     

    2.5

    W

    1

    Transmitter

    Signaling rate per lane

     

    25.78125±100ppm

    Gb/s

     

    Differential input impedance

    Zin

     

    100

     

    Ohm

     

    Differential input voltage amplitude

    Vin

     

     

    900

    mVp-p

     

    Receiver

    Signaling rate per lane

     

    25.78125±100ppm

    Gb/s

     

    Differential Output impedance

    Zout

     

     

    100

     

    Ohm

     

    Differential output voltage amplitude

    Vout

    400

     

     

     

    900

    mVp-p

     

    Eye width

     

    0.57

     

     

     

    UI

     

    Vertical eye closure

     

    5.5

     

     

     

    dB

     

    Transition time, 20% to 80%

    Tr/Tf

    12

     

     

     

    ps

     

    Notes:

    1. Maximumtotal power value is specified across the full temperature and voltage range.

     

    OPTICAL SPECIFICATION

    Parameter

    Symbol

    Min

    Typical

    Max

    Units

    Notes

    Transmitter

    Signaling rate per lane

     

    25.78125±100ppm

    Gb/s

    1

    Center wavelength

    λ

    840

    850

    860

    nm

     

    Transmit OMA per Lane

    TXP

    -6.4

     

     

     

    3

    dBm

     

    Transmit Average Power per Lane

    Pout

    -8.4

     

     

     

    2.4

    dBm

     

    Optical Extinction Ratio

    ER

    3

     

     

     

    dB

     

    TDEC per Lane

    TDEC

     

     

     

    5

    dB

     

    Average launch power of OFF transmitter, per lane

     

     

     

     

     

    -30

    dBm

     

    Optical return loss tolerance

    RL

     

     

     

     

    12

    dB

     

    Transmitter eye mask definition {X1, X2, X3, Y1, Y2, Y3}

     

     

    {0.28, 0.34, 0.43, 0.36, 0.44, 0.4}

     

    2

    Receiver

     

     

     

     

     

     

     

    -130

    Signaling rate per lane

     

    25.78125±100ppm

    Gb/s

    1

    Damage Threshold

    DT

    3.4

     

     

     

     

    Average Receive Power per Lane

    RXP

    -10.3

     

    2.4

    dBm

     

    Receive Power (OMA) per Lane

    RxOMA

     

     

    3

    dBm

     

    Receiver Reflectance

    Rfl

     

     

    -12

    dB

     

    Receive Sensitivity in OMA, each Lane

    SEN

     

     

    -5.6

    dBm

    2

    LOS De-Assert

    LOSD

     

     

    -13

    dBm

     

    LOS Assert

    LOSA

    -30

     

     

    dBm

     

    LOS Hysteresis

    LOSh

    0.5

     

     

    dB

     

    Notes:

    1. Transmitter andReceiver consists of 4 lasers and photodiode operating at 78Gb/s each.

    Sensitivity is specified at 5E(-5)BER.

    Ordering information

    Part Number

    Product Description

    BT-QSFP28-SR4

    850nm, 100Gbps, MPO, 100m, 0°C~+70°C, with DDM

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