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3.125Gb/s CWDM Single-mode SFP Transceiver

Подробная информация о продукции

  

 HC's SF-CXX30-40D(A) Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). The transceiver consists of five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the DFB laser and the PIN. The module data link up to 40KM in 9/125um single mode fiber.

    The optical output can be disabled by a TTL logic high-level input of Tx Disable, and the system also can disable the module via I2C. Tx Fault is provided to indicate that degradation of the laser. Loss of signal (LOS) output is provided to indicate the loss of an input optical signal of receiver or the link status with partner. The system can also get the LOS (or Link)/Disable/Fault information via I2C register access.


KEY  Features 

Up to 3.125Gb/s data links

DFB laser transmitter and PIN receiver

Up to 40km on 9/125µm SMF

Hot-pluggable SFP footprint

Duplex LC/UPC type pluggable optical interface

Low power dissipation

Metal enclosure, for lower EMI

RoHS compliant and lead-free

Single +3.3V power supply

Support Digital Diagnostic Monitoring interface

Compliant with SFF-8472

Case operating temperature

Commercial: 0°C to +70°C

Industrial: -40°C to +85°C


Application

Switch to Switch Interface

Gigabit Ethernet

Switched Backplane Applications

Router/Server Interface

Other Optical Links


Electric Pin Descriptions 



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Figure2. Pin out of Connector Block on Host Board



Pin

Symbol

Name/Description

NOTE

1

VEET

Transmitter Ground (Common with Receiver Ground)

1

2

TFAULT

Transmitter Fault.


3

TDIS

Transmitter Disable. Laser output disabled on high or open.

2

4

MOD_DEF(2)

Module Definition 2. Data line for Serial ID.

3

5

MOD_DEF(1)

Module Definition 1. Clock line for Serial ID.

3

6

MOD_DEF(0)

Module Definition 0. Grounded within the module.

3

7

Rate Select

No connection required

4

8

LOS

Loss of Signal indication.       Logic 0 indicates normal operation.

5

9

VEER

Receiver Ground  (Common with Transmitter Ground)

1

10

VEER

Receiver Ground  (Common with Transmitter Ground)

1

11

VEER

Receiver Ground  (Common with Transmitter Ground)

1

12

RD-

Receiver Inverted DATA out. AC Coupled


13

RD+

Receiver Non-inverted DATA out. AC Coupled


14

VEER

Receiver Ground  (Common with Transmitter Ground)

1

15

VCCR

Receiver Power Supply


16

VCCT

Transmitter Power Supply


17

VEET

Transmitter Ground (Common with Receiver Ground)

1

18

TD+

Transmitter Non-Inverted DATA in. AC Coupled.


19

TD-

Transmitter Inverted DATA in.      AC Coupled.


20

VEET

Transmitter Ground (Common with Receiver Ground)

1

Notes:

1.         Circuit ground is internally isolated from chassis ground.

2.         Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V.

3.         Should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and 3.6V.MOD_DEF (0) pulls line low to indicate module is plugged in.

4.        This is an optional input used to control the receiver bandwidth for compatibility with multiple data rates (most likely Fiber Channel 1x and 2x Rates).If implemented, the input will be internally pulled down with > 30kΩ resistor. The input states are:

          Low (0 – 0.8V):     Reduced Bandwidth

          (>0.8, < 2.0V):Undefined

          High (2.0 – 3.465V): Full Bandwidth

          Open: Reduced Bandwidth

5.          LOS is open collector output should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.



       Absolute Maximum Ratings

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Storage Temperature

Ts

-40


85

ºC


Relative Humidity

RH

5


95

%


Power Supply Voltage

VCC

-0.5


4

V


Signal Input Voltage


-0.3


Vcc+0.3

V


Receiver Damage Threshold


5



dBm



    Recommended Operating Conditions

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

 

Case    Operating Temperature

 

Tcase

0


70

ºC

Commercial

-40


85

ºC

Industrial

Power Supply Voltage

VCC

3.13

3.3

3.47

V


Power Supply Current

ICC



300

mA


Power Supply Noise Rejection




100

mVp-p

100Hz to 1MHz

Data Rate



3125/3125


Mbps

TX Rate/RX Rate

Transmission Distance




40

KM


Coupled Fiber

Single mode fiber

9/125um SMF


     Specification of Transmitter

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Average Output Power

POUT

-2


3

dBm

Note (1)

Extinction Ratio

ER

8.2



dB


Center Wavelength

λC

(1XX0)-10

1XX0

(1XX0)+10

nm

DFBLaser

Note (2) Not(2)

Side Mode Suppression Ratio

SMSR

30



dB


Spectrum Bandwidth(-20dB)

σ



1

nm

Transmitter OFF Output Power

POff



-45

dBm


Differential Line Input Impedance

RIN

90

100

110

Ohm


Output Eye Mask

Compliant with G.957 (class 1 laser safety)


Note (3)


Note:

(1) : Measure at 2^23-1 NRZ PRBS pattern

(2) :“XX” is: 27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59 and 61

(3) : Transmitter eye mask definition



Mechanical Specifications (Unit: mm)

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Ordering Information 

Product part Number

Data Rate (Mbps)

Media

Transmission Distance(km)

Temperature Range

Tcase

HC--SF-CXX30-40D

3125

Single mode fiber

    40

0~70

commercial

HC-SF-CXX30-40DA

3125

Single mode fiber

     40

-40~85

industrial


Wavelength

xx

Clasp Color Code

Wavelength

xx

Clasp Color Code

1270 nm

27

Gray

1450 nm

45

Brown

1290 nm

29

Gray

1470 nm

47

Gray

1310 nm

31

Gray

1490 nm

49

Purple

1330 nm

33

Purple

1510 nm

51

Blue

1350 nm

35

Blue

1530 nm

53

Green

1370 nm

37

Green

1550 nm

55

Yellow

1390 nm

39

Yellow

1570 nm

57

Orange

1410 nm

41

Orange

1590 nm

59

Red

1430 nm

43

Red

1610 nm

61

Brown





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