Delta Electronics SPBD-1250B4Q1RT Manuale utente

SPBD-1250B4Q1RT

DELTA ELECTRONICS, INC.

1 Revision: S1

03/12/2007

www.deltaww.com

Intelligent SFP Bi-Directional Transceiver

Module for Gigabit Ethernet and Fast Ethernet

FEATURES

 RoHS compliant

 Digital Diagnostic SFF-8472, Rev. 9.5 MSA

compliant

 Support Multi-Rate for Gigabit Ethernet and

Fast Ethernet

 Simplex LC connector with 1490nm

Transmitter and 1310nm Receiver



Single + 3.3V power supply and TTL logic

interface



Bellcore GR-468 compliant



Laser class 1 product which comply with the

requirements of IEC 60825-1 and IEC 60825-2

Description

The SPBD-1250xxxx series are hot pluggable

3.3V Small-Form-Factor (SFP) Bi-Directional

transceiver module designed expressly for

high-speed communication applications that

require rates of up to 1250Mbit/sec. It is

compliant with the Gigabit Ethernet and Fast

Ethernet standards, as well as the SFP

Multisource Agreement (MSA).

The SPBD-1250xxxx transceivers provide with

the LC receptacle that is compatible with the

industry standard LC connector. The transceiver

is also compatible with industry standard RFT

connector and cage. It also includes a LOS

(Loss Of Signal) circuit that provides a TTL

logic-high output when an unusable optical

signal level is detected.

The module includes 1490nm un-cool DFB

laser, InGaAs PIN, Preamplifer and WDM filter in

a high-integrated optical assembly for

high-density system application. The SFP

Bi-Directional transceiver can upgrade

transmission capacity very convenient without

installing new fibers.

Application

 IEEE 802.3ah 1000BASE-BX

 IEEE 802.3ah 100BASE-BX

 Gigabit Ethernet/ Fast Ethernet

 FTTx WDM Broadband Access

Performance



SPBD-1250B4Q1RT data link up to 10km in

9/125um single mode fiber.

 Support industrial temperature operating

SPBD-1250B4Q1RT

DELTA ELECTRONICS, INC.

2 Revision: S1

03/12/2007

www.deltaww.com

1. Absolute Maximum Ratings

Parameter Symbol Min. Typ. Max. Unit Note

Storage Temperature Ts -40 85 ºC

Storage Ambient Humidity HA5 95 %

Power Supply Voltage VCC 0 5 V

Signal Input Voltage -0.3 Vcc+0.3 V

Optical Input Power (Peak) +3 dBm

2. Recommended Operating Conditions

Parameter Symbol Min. Typ. Max. Unit Note

Operating Case Temperature TC-40 85 ºC Note (1)

Ambient Humidity HA5 85 %

Non-condensing

Power Supply Voltage VCC 3.135 3.3 3.465 V

Power Supply Current ICC 300 mA

Power Supply Noise Rejection 100 mVp-p 100Hz to 1MHz

Data Rate 1250

-100ppm 1250 1250

+100ppm Mbps

Transmission Distance 10 km

Note (1). Measured on topside of case front center.

3. Specification of Transmitter

Parameter Symbol Min. Typ. Max. Unit Note

Average Launched Power PO-9 -6 -3 dBm Note (1)

Optical Extinction Ratio ER 9 dB

Optical Modulation Amplitude OMA 195

-7.1

dBm

Center Wavelength λC1480 1490 1500 nm DFB Laser

Spectrum Width (-20dB) σ0.88 nm

Side Mode Suppression Ratio SMSR 30 dB

Transmitter OFF Output Power POff -45

dBm

Optical Rise/Fall Time tr/tf260 ps Note (2)

Deterministic Jitter DJ 80 ps

Total Jitter TJ 227 ps Note (3)

Relative Intensity Noise RIN12OMA

-113 dB/Hz

Optical Return Loss Tolerance ORLT 12 dB

Transmitter Reflectance -12 dB

Output Eye Mask

{X1,X2,Y1,Y2,Y3}

Compliant with IEEE 802.3ah standard

{0.22,0.375,0.20,0.20,0.30} Note (4)

Note (1). Launched power (avg.) is power coupled into a single mode fiber.

Note (2). These are unfiltered 20-80% values.

Note (3). Measure at 27-1 NRZ PRBS pattern.

Note (4). Eye Mask definition

SPBD-1250B4Q1RT

DELTA ELECTRONICS, INC.

3 Revision: S1

03/12/2007

www.deltaww.com

4. Specification of Receiver

Parameter Symbol Min. Typ. Max. Unit Note

Input Optical Wavelength λIN 1260 1360 nm PIN-PD

Receiver Sensitivity PIN -23

dBm Note (1)

Input Saturation Power (Overload) PSAT -3 dBm

Receive Sensitivity OMA OMA 5.0

-21.1

dBm Note (2)

LOS-Deassert Power PA- -24 dBm

LOS-Assert Power PD-44 dBm Note (3)

LOS Hysteresis PA-PD0.5 2 6 dB

Receiver Reflectance -12 dB Note (4)

Stressed Receive sensitivity -15.4 dBm

Stressed Receive sensitivity OMA 44.8

-13.5

dBm

Vertical Eye-closure Penalty V ECP 2.6 dB

Deterministic Jitter DJ 170 ps

Total Jitter TJ 266 ps

Output Data Rise/Fall time tr/tf260 ps Note (5)

Receiver 3dB upper cutoff frequency 1500 MHz

Note (1). Measured with 1310nm, ER=9dB; BER =<10-12@PRBS=27-1 NRZ

Note (2). Specified with minimum optical extinction ration of 9dB.

Note (3). When LOS asserted, the data output is Low-level (fixed)

Note (4). When the terminal is viewed from the optical path, the reflection toward the optical path of the

optical signal with a central wavelength of 1260nm to 1360nm transmitted to terminal.

Note (5). These are 20%~80% values

0.5

Normalized

ormalized Amplitude

SPBD-1250B4Q1RT

DELTA ELECTRONICS, INC.

4 Revision: S1

03/12/2007

www.deltaww.com

5. Electrical Interface Characteristics

Parameter Symbol Min. Typ. Max. Unit Note

Transmitter

Total Supply Current ICC A mA Note (1)

Differential Data Input Swing VDT 500 2400 mVp-p

Differential line input Impedance RIN 80 100 120 Ohm

Transmitter Disable Input-High VDISH 2 VCC V Note (2)

Transmitter Disable Input-Low VDISL 0 0.8 V

Transmitter Fault Output-High VTXFH 2 VCC+0.3 V

Transmitter Fault Output-Low VTXFL 0 0.8 V

Transmitter Fault Pull up Resistor RTX_FAULT 4.7 10 kNote (3)

Receiver

Total Supply Current ICC B mA Note (1)

Differential Data Output Swing VDR 400 900 mVp-p Note (4)

LOS Output Voltage-High VLOSH 2 VCC+0.3 V

LOS Output Voltage-Low VLOSL 0 0.8 V

Receiver LOS Load RRXLOS 4.7 10 kNote (3)

Note (1). A (TX)+ B (RX) = 300mA

(A: Not include termination circuit; B: using a resister of 150between Data-output and ground)

Note (2). There is an internal 4.7 to 10kpull-up resistor to VccT.

Note (3). Pull up to VCC on host Board.

Note (4). Internally AC coupled with CML output, but requires a 100Ohm differential termination at or

internal to Serializer/ Deserializer.

SPBD-1250B4Q1RT

DELTA ELECTRONICS, INC.

5 Revision: S1

03/12/2007

www.deltaww.com

6. Enhanced Digital Diagnostic Interface

The memory map in the following describes an extension to the memory map defined in SFP MSA.

The enhanced interface uses the two wire serial bus address 1010001X(A2h) to provide diagnostic

information about the module’s present operating conditions.

2 wire address 1010000 X (A0h) 2 wire address 1010001 X (A2h)

0 0

Alarm and Warning Thresholds

(56 bytes)

Serial ID Defined by SFP MSA

(96 bytes) 56

Cal Constants

(40 bytes)

96 96

119

Real Time Diagnostic Interface

(24 bytes)

127

Vender Specific

(32 bytes) 120

127

Vender Specific

128 128

247

User Writable EEPROM

(120 bytes)

255

Reserved in SFP MSA

(128 bytes)

248

255

Vender Specific

(8 bytes)

7. Digital Diagnostic Monitor Accuracy

Parameter Accuracy Unit Calibration Note

Transceiver Internal Temperature ±3℃℃Internal TC=-40~+85℃

Power Supply Internal Voltage ±3% V Internal VCC=3.3V±5%

TX Bias Current ±10% mA Internal Specified by nominal bias value

TX Optical Power ±3dB dBm Internal -9 to -3dBm

RX Optical Power ±3dB dBm Internal -23 to -3dBm

Note. Temperature and Voltage is measured internal to the transceiver.

SPBD-1250B4Q1RT

DELTA ELECTRONICS, INC.

6 Revision: S1

03/12/2007

www.deltaww.com

8. Pin Description

SFP Transceiver Electrical Pad Layout Host Board Connector Pad Layout

Pin Function Definitions

Pin Num. Name Function Plug Seq. Notes

1 VeeT Transmitter Ground 1 Note (1)

2 TX Fault Transmitter Fault Indication 3 Note (2)

3 TX Disable Transmitter Disable 3 Note (3)

4 MOD-DEF2 Module Definition 2 3 Note (4), 2 wire serial ID interface

5 MOD-DEF1 Module Definition 1 3 Note (4), 2 wire serial ID interface

6 MOD-DEF0 Module Definition 0 3 Note (4), Grounded in Module

7 Rate Select Not Connect 3 Function not available

8 LOS Loss of Signal 3 Note (5)

9 VeeR Receiver Ground 1

10 VeeR Receiver Ground 1

11 VeeR Receiver Ground 1

12 RD- Inv. Received Data Out 3 Note (6)

13 RD+ Received Data Out 3 Note (6)

14 VeeR Receiver Ground 1

15 VccR Receiver Power 2 Note (7)

16 VccT Transmitter Power 2 Note (7)

17 VeeT Transmitter Ground 1

18 TD+ Transmit Data In 3 Note (8)

19 TD- Inv. Transmit Data In 3 Note (8)

20 VeeT Transmitter Ground 1

Plug Seq.: Pin engagement sequence during hot plugging.

SPBD-1250B4Q1RT

DELTA ELECTRONICS, INC.

7 Revision: S1

03/12/2007

www.deltaww.com

Notes:

1) Circuit ground is internally isolated from frame (chassis) ground. Tx GND and Rx GND may be internally isolated

within the TRx module.

2) TX Fault is an open collector/drain output, which should be pulled up with a 4.7K~10Kresistor on the host board.

Pull up voltage between 2.0V and VccT+0.3V. The output indicates Low when the transmitter is operating

normally, and High with a laser fault including laser end-of-life. In the low state, the output will be pulled to less

than 0.8V.

3) 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 – 10 K resistor. Its states are:

Low (0 – 0.8V): Transmitter on

(>0.8, < 2.0V): Undefined

High (2.0 – 3.465V): Transmitter Disabled

Open: Transmitter Disabled

4) Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7K – 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

5) LOS (Loss of Signal) is an open collector/drain output, which should be pulled up with a 4.7K – 10Kresistor.

Pull up voltage between 2.0V and VccR+0.3V. When high, this output indicates the received optical power is

below the worst-case receiver sensitivity. Low indicates normal operation. In the low state, the output will be

pulled to less than 0.8V.

6) 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. The AC coupling is done inside the module and is thus

not required on the host board.

7) VccR and VccT are the receiver and transmitter power supplies. They are defined as 3.3V ±5% at the SFP

connector pin. Recommended host board power supply filtering is shown below page. Inductors with DC

resistance of less than 1 Ohm should be used in order to maintain the required voltage at the SFP input pin with

3.3V supply voltage. When the recommended supply-filtering network is used, hot plugging of the SFP

transceiver module will result in an inrush current of no more than 30 mA greater than the steady state value.

8) TD-/+: These are the differential transmitter inputs. They are AC-coupled, differential lines with 100 

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.

SPBD-1250B4Q1RT

DELTA ELECTRONICS, INC.

8 Revision: S1

03/12/2007

www.deltaww.com

9. Recommend Interface Circuit

Laser Diode

Photo Diode

1uH

0.1uF10uF

0.1uF

0.01uF

0.1uF10uF

RES1

100 Ohms*

RES1 RES1 RES1

10k Ohms

100 Ohms

VCC

Protocol Vcc

SerDes ICProtocol IC

PLD / PAL Mod_def 2

Mod_def 1

Mod_def 0

3.3V

DELTA SFP Module

Preamp &

Tx_Disable

Quantizer

Tx_Fault

TD +

TD -

VeeT

RD +

RD -

Rx_LOS

VeeR

Tx_Disable

Tx_Fault

Rx_LOS

RES1 = 4.7k to 10k Ohms

VccT

VccR

Laser Driver

* Depands on SerDes IC used

EEPROM

SFP Host Board Schematic

Recommended Host Board Supply Filtering Network

Design criterion of the capacitor used is the

resonant frequency and its value must be in the

order of the nominal data rate. Short trace

lengths are mandatory.

SPBD-1250B4Q1RT

DELTA ELECTRONICS, INC.

9 Revision: S1

03/12/2007

www.deltaww.com

10. Outline Dimensions

Transmitter Wavelength Latch Color Identifier

1310nm Black

1490nm Violet

Week (52Weeks/Year) : 1月2日=01

Class 1 Laser Product

1040.10 and 1040.11

Made in x

Complies with 21 CFR

XXXX nm Tx / Rx XXXX nm

SPBD-1250B4Q1RT

DELTA ELECTRONICS, INC.

10 Revision: S1

03/12/2007

www.deltaww.com

11. Regulatory Compliance

Feature Test Method Reference Performance

Human Body Model

(HBM)

MIL-STD-883E Method 3015.7

EIA-JESD22-A114

Electrostatic Discharge

(ESD) to the Electrical

Pins Machine Model (MM) EIA-JESD22-A115

Contact Discharge IEC/EN 61000-4-2Electrostatic Discharge

(ESD) to the Simplex

Receptacle Air Discharge IEC/EN 61000-4-2

Radio Frequency

Electromagnetic Field

Immunity

IEC/EN 61000-4-3

Electromagnetic

Interference (EMI)

FCC Part 15 Class B

EN 55022 Class B

(CISPR 22A)

(1) Satisfied with

electrical

characteristics of

product spec.

(2) No physical damage

Laser Eye Safety

FDA/CDRH

TUV

FDA 21CFR 1040.10, 1040.11

IEC/EN 60825-1

IEC/EN 60825-2

CDRH File # 0420993

TUV Certificate #

R50032471

Component Recognition

TUV

UL/CSA

IEC/EN 60950

UL 60950

UL File # E239394

Appendix A. Document Revision

Version No. Date Description

S0 2006-08-15 Preliminary datasheet

S1 2007-03-12 Change the specification of Optical Rise/Fall Time from 200ps to 260ps.

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