Good Quality SFP Module – 10/100/1000BASE-T Copper SFP Transceiver JHA3401 – JHA

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Good Quality SFP Module – 10/100/1000BASE-T Copper SFP Transceiver JHA3401 – JHA Detail:

Features:                                              

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

♦ Hot-pluggable SFP footprint

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

♦ Fully metallic enclosure for low EMI

♦ Low power dissipation

♦ Compact RJ-45 connector assembly

♦ Detailed product information in EEPROM

♦ +3.3V single power supply

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

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

♦ Compliant with SFP MSA

♦ Compliant with IEEE Std 802.3TM-2002

♦ Compliant with FCC 47 CFR Part 15, Class B

♦ RoHS Compliant Products

Applications:

♦ 1.25 Gigabit Ethernet over Cat 5 cable

♦ Switch/Router to Switch/Router Link

♦ High speed I/O for file severs

Description:

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.

• 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

Note 4

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. LVTTL compatible with a maximum voltage of 2.5V. Not supported on HTSFP-24-111X

5. 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.

6. 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.

7. 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.

3

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

• 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.

 

• 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

 

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

 • General Specifications

Parameter

Symbol

Min.

Typical

Max.

Units

Notes/Conditions

Data Rate

BR

100

 

1,000

Mb/s

IEEE 802.3 compatible.

Cable Length

L

 

 

100

m

Category 5 UTP. BER <10-12

 

• Environmental Specifications

The JHA3401 has an extended range from 0°C to +85°C case temperature as specified in Table 7.

Parameter

Symbol

Min.

Typical

Max.

Units

Notes/Conditions

Operating Temperature

Top

0

 

85

°C

Case temperature

Storage Temperature

Tsto

-40

 

100

°C

Ambient temperature

 

• 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: “JHA3401” (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 Dimensions

2

Mechanical Dimensions of Transceiver

JHA reserves the right to make changes to the products or information contained herein without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such products or information.

Published by Shenzhen JHA Technology Co., Ltd

Copyright © Shenzhen JHA Technology Co., Ltd

All Rights Reserved


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Good Quality SFP Module – 10/100/1000BASE-T Copper SFP Transceiver JHA3401 – JHA detail pictures


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