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SFP电口光模块千兆 100米
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  • SFP电口光模块千兆 100米

SFP电口光模块千兆 100米

JHA3401 10/100/1000BASE-TcopperSFPtransceiverishighperformance,costeffectivemodulecompliantwiththeGigabitEthernetand10/100/1000BASE-TstandardsasspecifiedinIEEE802.3-2002andIEEE802.3ab,whichsupporting10/100/1000Mbpsdata-rateupto100metersreachoverunshieldedtwisted-paircategory5cable.TheJHA3401 supports10/100/1000Mbpsfullduplexdata-linkswith5-levelPulseAmplitudeModula-tion(PAM)signals.Allfourpairsinthecableareusedwithsymbolrateat250Mbpsoneachpair.TheJHA3401 providesstandardserialIDinformationcompliantwithSFPMSA,whichcanbeaccessedwithaddressofA0hviathe2-wireserialCMOSEEPROMprotocol.ThephysicalICcanalsobeaccessedvia2-wireserialbusataddressACh.
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  • JHA3401 10/100/1000BASE-T copper SFP transceiver is high performance, cost effective module compliant with the Gigabit Ethernet and 10/100/1000BASE-T standards as specified in IEEE 802. 3-2002 and IEEE 802.3ab, which supporting 10/100/1000Mbps data- rate up to 100 meters reach over unshielded twisted-pair category 5 cable. The JHA3401 supports 10/100/1000 Mbps full duplex data-links with 5-level Pulse Amplitude Modula-tion (PAM) signals. All four pairs in the cable are used with symbol rate at 250Mbps on each pair. The JHA3401 provides standard serial ID information compliant with SFP MSA, which can be accessed with address of A0h via the 2-wire serial CMOS EEPROM protocol. The physical IC can also be accessed via 2-wire serial bus at address ACh. 

  • Features:

    ² Up to 1.25Gb/s bi-directional data links

    ² Hot-pluggable SFP footprint

    ² Extended case temperature range (-40°C to +85°C )

    ² Fully metallic enclosure for low EMI

    ² Low power dissipation

    ² Compact RJ-45 connector assembly

    ² Detailed product information in EEPROM

    ² +3.3V single power supply

    ² Access to physical layer IC via 2-wire serial bus

    ² 10/100/1000 BASE-T operation in host systems with SGMII interface

    ² Compliant with SFP MSA

    ² Compliant with IEEE Std 802.3TM-2002

    ² Compliant with FCC 47 CFR Part 15, Class B

    ² RoHS Compliant Products

     

    Applications:

    ² 1.25 Gigabit Ethernet over Cat 5 cable

    ² Switch/Router to Switch/Router Link

    ² High speed I/O for file severs

  • SFP to Host Connector Pin Out

     

    Pin

    Signal name

    Description

    MSA Notes

    1

    VEET

    Transmitter ground (common with receiver ground)

     

    2

    TFAULT

    Transmitter Fault. Not supported

    Note 1

    3

    TDIS

    Transmitter Disable. PHY disabled on high or open

    Note 2

    4

    MOD_DEF(2)

    Module Definition 2. Data line for Serial ID.

    Note 3

    5

    MOD_DEF(1)

    Module Definition 1. Clock line for Serial ID.

    Note 3

    6

    MOD_DEF(0)

    Module Definition 0. Grounded within the module.

    Note 3

    7

    Rate Select

    No connection required

     

    8

    LOS

    Loss of Signal - High Indicates Loss of Signal

     

    9

    VEER

    Receiver Ground (common with transmitter ground)

     

    10

    VEER

    Receiver Ground (common with transmitter ground)

     

    11

    VEER

    Receiver Ground(common with transmitter ground)

     

    12

    RD-

    Receiver Inverted DATA out. AC Coupled

    Note 5

    13

    RD+

    Receiver Non-inverted DATA out. AC Coupled

    Note 5

    14

    VEER

    Receiver Ground (common with transmitter ground)

     

    15

    VCCR

    Receiver Power Supply

    Note 6

    16

    VCCT

    Transmitter Power Supply

    Note 6

    17

    VEET

    Transmitter Ground (Common with Receiver Ground)

     

    18

    TD+

    Transmitter Non-Inverted DATA in. AC Coupled.

    Note 7

    19

    TD-

    Transmitter Inverted DATA in. AC Coupled.

    Note 7

    20

    VEET

    Transmitter Ground(common with receiver ground)

     

    Notes:

    1. TX Fault is not used and is always tied to ground through a 100 ohm resistor.

    2. TX Disable as described in the MSA is not applicable to the 1000BASE-T module, but is used for convenience as an input to reset the internal ASIC. This pin is pulled up within the module with a 4.7 KW resistor.

    Low (0 – 0.8 V): Transceiver on

    Between (0.8 V and 2.0 V): Undefined

    High (2.0 – 3.465 V): Transceiver in reset state

    Open: Transceiver in reset state

    3. Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7-10 KW resistor on the host board to a supply less than VCCT + 0.3 V or VCCR + 0.3 V.

    Mod Def 0 is tied to ground through a 100 ohm resistor to indicate that the module is present.

    Mod-Def 1 is clock line of two wire serial interface for optional serial ID

    Mod-Def 2 is data line of two wire serial interface for optional serial ID

    4. RD-/+: These are the differential receiver outputs. They are ac coupled 100 ohm differential lines which should be terminated with 100 ohm differential at the user SerDes. The ac coupling is done inside the module and is thus not required on the host board. The voltage swing on these lines will be between 370 and 2000 mV differential (185 – 1000 mV single ended) when properly terminated. These levels are compatible with CML and LVPECL voltage swings.

    5. VCCR and VCCT are the receiver and transmitter power supplies. They are defined as 3.3 V ± 5% at the SFP connector pin. The maximum supply current is about 300mA and the associated in-rush current will typically be no more than 30 mA above steady state after 500 nanoseconds.

    6. TD-/+: These are the differential transmitter inputs. They are ac coupled differential lines with 100 W differential termination inside the module. The ac coupling is done inside the module and is thus not required on the host board. The inputs will accept differential swings of 500 – 2400 mV (250 –1200 mV single ended), though it is recommended that values between 500 and 1200 mV differential (250 – 600 mV single ended) be used for best EMI performance. These levels are compatible with CML and LVPECL voltage swings.

     

    Figure 1. Diagram of host board connector block pin numbers and names

     

    +3.3V Volt Electrical Power Interface

     

    The JHA3401 has an input voltage range of 3.3 V +/- 5%. The 4 V maximum voltage is not allowed for continuous operation.

     

    Parameter

    Symbol

    Min.

    Typical

    Max.

    Units

    Notes/Conditions

    Supply Current

    Is

     

    320

    375

    mA

    1.2W max power over full range of voltage and temperature. See caution note below

    Input Voltage

    Vcc

    3.13

    3.3

    3.47

    V

    Referenced to GND

    Surge Current

    Isurge

     

    30

     

    mA

    Hot plug above steady state current. See caution note

    Caution: Power consumption and surge current are higher than the specified values in the SFP MSA

                                                                               Table 2. +3.3 Volt electrical power interface

     

    Low-Speed Signals

     

    MOD_DEF(1) (SCL) and MOD_DEF(2) (SDA), are open drain CMOS signals. Both MOD_ DEF(1) and MOD_DEF(2) must be pulled up to host_Vcc.

     

    Parameter

    Symbol

    Min.

    Max.

    Units

    Notes/Conditions

    SFP Output LOW

    VOL

    0

    0.5

    V

    4.7k to 10k pull-up to host_Vcc.

    SFP Output HIGH

    VOH

    host_Vcc -0.5

    host_Vcc + 0.3

    V

    4.7k to 10k pull-up to host_Vcc.

    SFP Input LOW

    VIL

    0

    0.8

    V

    4.7k to 10k pull-up to Vcc.

    SFP Input HIGH

     

    2

    Vcc + 0.3 V

    V

    4.7k to 10k pull-up to Vcc.

    Table 3. Low-speed signals, electronic characteristics

     

    High-Speed Electrical Interface

     

    All high-speed signals are AC-coupled internally.

     

    Transmission Line-SFP

    Parameter

    Symbol

    Min.

    Typical

    Max.

    Units

    Notes/Conditions

    Line Frequency

    fL

     

    125

     

    MHz

    5-level encoding, per IEEE 802.3

    Tx Output Impedance

    Zout,TX

     

    100

     

    Ohm

    Differential

    Rx Input Impedance

    Zin,RX

     

    100

     

    Ohm

    Differential

     Table 4. High-speed electrical interface, transmission line-SFP

     

    Host-SFP

    Parameter

    Symbol

    Min.

    Typical

    Max.

    Units

    Notes/Conditions

    Single ended data input swing

    Vinsing

    250

     

    1200

    mV

    Single ended

    Single ended data output swing

    Voutsing

    350

    100

    800

    mV

    Single ended

    Rise/Fall Time

    Tr,Tf

     

    175

     

    psec

    20%-80%

    Tx Input Impedance

    Zin

     

    50

     

    Ohm

    Single ended

    Rx Output Impedance

    Zout

     

    50

     

    Ohm

    Single ended

    Table 5. High-speed electrical interface, host-SFP

     

    General Specifications

     

    Parameter

    Symbol

    Min.

    Typical

    Max.

    Units

    Notes/Conditions

    Data Rate

    BR

    10

     

    1,000

    Mb/s

    IEEE 802.3 compatible.

    Cable Length

    L

     

     

    100

    m

    Category 5 UTP. BER <10-12

    Table 6. General specifications

    Notes:

    1. Clock tolerance is +/- 50 ppm

    2. By default, the JHA3401 is a full duplex device in preferred master mode

    3. Automatic crossover detection is enabled. External crossover cable is not required

    4. 10/100/1000 BASE-T operation requires the host system to have an SGMII interface

    with no clocks, With a SERDES that does not support SGMII, the module will operate at 1000BASE-T only.

     

    Environmental Specifications

     

    The JHA3401 has an extended range from -40°C to +85°C case temperature as specified in Table 7.

     

    Parameter

    Symbol

    Min.

    Typical

    Max.

    Units

    Notes/Conditions

    Operating Temperature

    Top

    -40

     

    85

    °C

    Case temperature

    Storage Temperature

    Tsto

    -40

     

    100

    °C

    Ambient temperature

    Table 7. Environmental specifications

     

     Serial ID Memory Contents

     

    Data Address

    Length

    (Byte)

    Name of

    Length

    Description and Contents

    Base ID Fields

    0

    1

    Identifier

    Type of Serial transceiver (03h=SFP)

    1

    1

    Reserved

    Extended identifier of type serial transceiver (04h)

    2

    1

    Connector

    Code of optical connector type (22=RJ45)

    3-10

    8

    Transceiver

    1000BASE-T

    11

    1

    Encoding

    8B10B (01h)

    12

    1

    BR,Nominal

    Nominal baud rate, unit of 100Mbps

    13

    1

    Reserved

    (0000h)

    14

    1

    Length(9um,km)

    Link length supported for 9/125um fiber, units of km

    15

    1

    Length(9um)

    Link length supported for 9/125um fiber, units of 100m

    16

    1

    Length(50um)

    Link length supported for 50/125um fiber, units of 10m

    17

    1

    Length(62.5um)

    Link length supported for 62.5/125um fiber, units of 10m

    18

    1

    Length(Copper)

    Link length supported for copper, units of meters

    19

    1

    Reserved

     

    20-35

    16

    Vendor Name

    SFP vendor name:JHA Technology Co., Ltd

    36

    1

    Reserved

     

    37-39

    3

    Vendor OUI

    SFP transceiver vendor OUI ID

    40-55

    16

    Vendor PN

    Part Number: “JHAXXX” (ASCII)

    56-59

    4

    Vendor rev

    Revision level for part number

    60-61

    2

    Wavelength

    Laser wavelength

    62

    1

    Reserved

     

    63

    1

    CCID

    Least significant byte of sum of data in address 0-62

    Extended ID Fields

    64-65

    2

    Option

    Indicates which optical SFP signals are implemented(001Ah = LOS, TX_FAULT, TX_DISABLE all supported)

    66

    1

    BR, max

    Upper bit rate margin, units of %

    67

    1

    BR, min

    Lower bit rate margin, units of %

    68-83

    16

    Vendor SN

    Serial number (ASCII)

    84-91

    8

    Date code

    Manufacturing date code

    92-94

    3

    Reserved

     

    95

    1

    CCEX

    Check code for the extended ID Fields (addresses 64 to 94)

    Vendor Specific ID Fields

    96-127

    32

    Readable

    Vendor specific date, read only

     

  • Mechanical drawing

  • JHA3401

    10/100/1000BASE-T SFP Copper Transceiver

    Hot Pluggable, 1.25Gb/s,Cat-5 UTP Cable, 100m

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