10/100/1000Mbps Copper SFP Transceiver
10/100/1000Mbps Copper SFP Transceiver
10/100/1000Mbps Copper SFP Transceiver

10/100/1000Mbps Copper SFP Transceiver

Model NO.
SFP-GB-T1
Delivery:
FOB
Minimum order quantity:
1 piece
Supply Ability:
5000 piece / Day
Country of Origin:
SHENZHEN
Stock Time:
5 Days
Quantity:

Features

  • Up to 1.25Gb/s bi-directional data links
  • Hot-pluggable SFP footprint
  • Extended case temperature range (0°C to +70°C )
  • Fully metallic enclosure for low EMI
  • Low power dissipation (1.05 W typical)
  • Compact RJ-45 connector assembly
  • Access to physical layer IC via 2-wire serial bus
  • 1000 BASE-T operation in host systems with SERDES interface
  • 10/100/1000Mbps compliant in host systems with SGMII interface

Applications

  • Gigabit Ethernet over Cat 5 cable

Description

1000M SFP-GB-T3 Copper Small Form Pluggable (SFP)transceivers is high performance, cost effective module compliant with the Gigabit Ethernet and 1000- BASE-T standards as specified in IEEE 802. 3-2002 and IEEE 802.3ab, which supp- orting 1000Mbps data- rate up to 100 meters reach over unshielded twisted-pair category 5 cable. The module supports1000 Mbps full duplex data-links with 5-level Pulse Amplitude Modulation (PAM) signals. All four pairs in the cable are used with symbol rate at 250Mbps on each pair. The module provides standard serial ID information compliant with SFP MSA, which can be accessed with address of A0h via the 2wire serial CMOS EEPROM protocol. The physical IC can also be accessed via 2wire serial bus at address A0h.

Pin Definitions

Pin Diagram

Pin Description

Pin

Signal Name

Description

Plug Seq.

Notes

1

VEET

Transmitter Ground

1

2

TX FAULT

Transmitter Fault Indication

3

Note1

3

TXDISABLE

Transmitter Disable

3

Note2

4

MOD_DEF(2)

SDA Serial Data Signal

3

Note3

5

MOD_DEF(1)

SCL Serial Clock Signal

3

Note3

6

MOD_DEF(0)

TTL Low

3

Note3

7

Rate Select

Not Connected

3

8

LOS

Loss of Signal

3

Note 4

9

VEER

Receiver ground

1

10

VEER

Receiver ground

1

11

VEER

Receiver ground

1

12

RX-

Inv. Received Data Out

3

Note 5

13

RX+

Received Data Out

3

Note 5

14

VEER

Receiver ground

1

15

VCCR

Receiver Power Supply

2

16

VCCT

Transmitter Power Supply

2

17

VEET

Transmitter Ground

1

18

TX+

Transmit Data In

3

Note 6

19

TX-

Inv. Transmit Data In

3

Note 6

20

VEET

Transmitter Ground

1

Notes:

Plug Seq.: Pin engagement sequence during hot plugging.

1) TX Fault is an open collector output, which should be pulled up with a 4.7k~10kΩ resistor on the host board to a voltage between 2.0V and Vcc+0.3V. Logic 0 indicates normal operation; logic 1 indicates a laser fault of some kind. In the low state, the output will be pulled to less than 0.8V.

2) TX Disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module with a 4.7 ¨C 10 K resistor. Its states are:

Low (0 to 0.8V): Transmitter on

(>0.8,< 2.0V): Undefined

High (2.0 to 3.465V): Transmitter Disabled

Open: Transmitter Disabled

3) Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7K to 10K resistor on the host board. The pull-up voltage shall be VccT or VccR

Mod-Def 0 is grounded by the module to indicate that the module is present

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

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

4) LOS (Loss of Signal) is an open collector/drain output, which should be pulled up with a 4.7K to 10K resistor. Pull up voltage between 2.0V and VccT, R+0.3V. When high, this output indicates the received optical power is below the worst-case receiver sensitivity (as defined by the standard in use). Low indicates normal operation. In the low state, the output will be pulled to <0.8V.

5) RD-/+: These are the differential receiver outputs. They are AC coupled 100 differential lines which should be terminated with 100 (differential) at the user SERDES.

6) TD-/+: These are the differential transmitter inputs. They are AC-coupled, differential lines with 100 differential termination inside the module.

+3.3V Volt Electrical Power Interface

The SFP-GB-T3 has an input voltage range of +5V +/- 5%. The 3.3V maximum voltage is not allowed for continuous operation.

Table 1. +3.3V Volt electrical power interface

+3.3V volt Electrical Power Interface

Parameter

Symbol

Min

Typ

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

Maximum Voltage

Vmax

4

V

Surge Current

Isurge

30

mA

Hot plug above steady state current. See caution note below

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 (see section VII, “Serial Communication Protocol”). Both MOD_DEF(1) and MOD_DEF(2) must be pulled up to host_Vcc.

Table 2. Low-speed signals, electronic characteristics

Low-Speed Signals, Electronic Characteristics

Parameter

Symbol

Min

Max

Units

Notes/Conditions

SFP Output LOW

VOL

0

0.5

V

4.7k to 10k pull-up to host_Vcc, measured at host side of connector

SFP Output HIGH

VOH

host_Vcc - 0.5

host_Vcc + 0.3

V

4.7k to 10k pull-up to host_Vcc, measured at host side of connector

SFP Input LOW

VIL

0

0.8

V

4.7k to 10k pull-up to Vcc, measured at SFP side of connector

SFP Input HIGH

VIH

2

Vcc + 0.3

V

4.7k to 10k pull-up to Vcc, measured at SFP side of connector

High-Speed Electrical Interface

All high-speed signals are AC-coupled internally.

Table 3. High-speed electrical interface, transmission line-SFP

High-Speed Electrical Interface Transmission Line-SFP

Parameter

Symbol

Min

Typ

Max

Units

Notes/Conditions

Line Frequency

fL

125

MHz

5-level encoding, per IEEE 802.3

Tx Output Impedance

Zout,TX

100

Ohm

Differential, for all Frequencies between 1MHz and 125MHz

Rx Input Impedance

Zin,RX

100

Ohm

Differential, for all Frequencies between 1MHz and 125MHz

High-speed electrical interface, host-SFP

Table 4. High-speed electrical interface, host-SFP

High-Speed Electrical Interface, Host-SFP

Parameter

Symbol

Min

Typ

Max

Units

Notes/Conditions

Single ended data input swing

Vinsing

250

1200

mV

Single ended

Single ended data output swing

Voutsing

350

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

Table 5. General specifications

General

Parameter

Symbol

Min

Typ

Max

Units

Notes/Conditions

Data Rate

BR

10

1,000

Mb/sec

IEEE 802.3 compatible.

See Notes 2 through 4 below

Cable Length

L

100

m

Category 5 UTP. BER <10-12

Notes:

1. Clock tolerance is +/- 50 ppm

2. By default, the SFP-GB-T3 is a full duplex device in preferred master mode

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

4. 1000 BASE-T operation requires the host system to have an SGMII interface with no clocks, and the module PHY to be configured per Application Note AN-2036. With a SERDES that does not support SGMII, the module will operate at 1000BASE-T only.

Environmental Specifications

Table 6. Environmental specifications

Environmental Specifications

Parameter

Symbol

Min

Typ

Max

Units

Notes/Conditions

Operating Temperature

Top

0

70

°C

Case temperature

Storage Temperature

Tsto

-40

85

°C

Ambient temperature

References

1. Gigabit Interface Converter (SFP) Transceiver Multi-Source Agreement (MSA),

2. IEEE Std 802.3, 2002 Edition. IEEE Standards Department, 2002.

3. “AT24C01A/02/04/08/16 2-Wire Serial CMOS E2PROM”, Atmel Corporation.

4. “Alaska Ultra 88E1111 Integrated 10/100/1000 Gigabit Ethernet Transceiver”,Marvell Corporation.

Mechanical Specifications

The host-side of the SFP-GB-T3 conforms to the mechanical specifications outlined in the SFP MSA1. The front portion of the SFP (part extending beyond the face plate of the host) is larger to accommodate the RJ-45 connector.

Figure 2. SFP-GB-T3 mechanical dimensions

References

1. Small Form Factor Pluggable (SFP) Transceiver Multi-Source Agreement (MSA),

2. IEEE Std 802.3, 2002 Edition. IEEE Standards Department, 2002.

3. “AT24C01A/02/04/08/16 2-Wire Serial CMOS E2PROM”, Atmel Corporation.

Ordering information

Model No.

Operating Case temperature

SFP-GB-T1

10/100/1000Mbps, SGMII interface, Copper SFP with spring latch

SFP-GB-T3

1000Mbps only, SERDES interface, Copper SFP with spring latch

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