Delta Electronics Spbd 1250A4Q1Rt Users Manual 1250A4Q1RT_S1

Delta-Spbd-1250A4Q1Rt-Users-Manual-244751 delta-spbd-1250a4q1rt-users-manual-244751

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SPBD-1250A4Q1RT

Intelligent SFP Bi-Directional Transceiver
Module for Gigabit Ethernet
FEATURES
z RoHS compliant
z Digital Diagnostic SFF-8472 Compliant
z Simplex LC connector with 1310nm
Transmitter and 1490nm Receiver
z Integrated with WDM filter to cut 1550nm and
1650nm optical signal off
z Single + 3.3V power supply and TTL logic
interface
z Bellcore GR-468 compliant
z 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 standards, as well as the
SFP Multisource Agreement (MSA).

Application
z IEEE 802.3ah 1000BASE-BX10
z Gigabit Ethernet Application
z FTTx WDM Broadband Access

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.

z Switch to switch/backbone interface

Performance
z SPBD-1250A4Q1RT data link up to 10km in
9/125um single mode fiber.

The module includes 1310nm un-cool FP 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.

z Support industrial temperature operating

1
DELTA ELECTRONICS, INC.

Revision: S1
03/12/2007

www.deltaww.com

SPBD-1250A4Q1RT
1. Absolute Maximum Ratings
Parameter
Storage Temperature
Storage Ambient Humidity
Power Supply Voltage
Signal Input Voltage
Optical Input Power (Peak)

Symbol
Ts
HA
VCC

Min.
-40
5
0
-0.3

Typ.

Max.
85
95
5
Vcc+0.3
+3

Unit
ºC
%
V
V
dBm

Note

Min.
-40
5
3.135

Typ.

Max.
85
85
3.465
300
100
1250

Unit
ºC
%
V
mA
mVp-p

Note
Note (1)

2. Recommended Operating Conditions
Parameter
Operating Case Temperature
Ambient Humidity
Power Supply Voltage
Power Supply Current
Power Supply Noise Rejection

Symbol
TC
HA
VCC
ICC

1250

Data Rate

-100ppm

3.3

1250

Transmission Distance

+100ppm

Non-condensing

100Hz to 1MHz

Mbps

10

km

Typ.
-6

Max.
-3

1310

1360

Unit
dBm
dB
uW
dBm
nm
nm
dBm
ps
ps
ps
dB/Hz
dB
dB

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

3. Specification of Transmitter
Parameter
Average Launched Power
Optical Extinction Ratio
Optical Modulation Amplitude
Center Wavelength
Spectrum Width (RMS)
Transmitter OFF Output Power
Optical Rise/Fall Time
Deterministic Jitter
Total Jitter
Relative Intensity Noise
Optical Return Loss Tolerance
Transmitter Reflectance
Output Eye Mask
{X1,X2,Y1,Y2,Y3}

Symbol
PO
ER

Min.
-9
9
195
-7.1
1270

OMA
λC
σ
POff
tr/tf
DJ
TJ
RIN12OMA
ORLT

Compliant with IEEE 802.3ah

-45
260
80
227
-113

12
-12
Compliant with IEEE 802.3ah standard
{0.22,0.375,0.20,0.20,0.30}

Note
Note (1)

FP Laser
Note (4)
Note (2)
Note (3)

Note (5)

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.

2
DELTA ELECTRONICS, INC.

Revision: S1
03/12/2007

www.deltaww.com

SPBD-1250A4Q1RT
Note (4): Spectral Width (RMS)

nm
1260
1270
1280
1290
1295
1297
1329
1331
1340
1350
1360

RMS spectral width(max)
1000Base-BX10-U
nm
2.09
2.52
3.13

Transmitter Spectral Limits
4

3

RMS (nm)

Center Wavelength

2

3.50
1

0

3.06
2.58

1240

1260

1280

1300
1320
Center Wavelength (nm)

1340

1360

1380

Note (5). Eye Mask definition
1+ Y 3

Normalized Amplitude

1
1- Y1
0.5
Y1
0
- Y2

0

X1

X2

1- X2 1-X1

1

Normalized Time

4. Specification of Receiver
Parameter
Input Optical Wavelength
Receiver Sensitivity
Input Saturation Power (Overload)

Symbol
λIN
PIN
PSAT

Receive Sensitivity OMA

OMA

LOS-Deassert Power
LOS-Assert Power
LOS Hysteresis
Receiver Reflectance

PA
PD
PA-PD

Min.
1480
-3
5.0
-21.1
-44
0.5
3

DELTA ELECTRONICS, INC.

Typ.

Max.
1500
-23

-24
2

6
-12

Unit
nm
dBm
dBm
uW
dBm
dBm
dBm
dB
dB

Note
PIN-PD
Note (1)
Note (2)
Note (3)
Note (4)
Revision: S1
03/12/2007

www.deltaww.com

SPBD-1250A4Q1RT
Stressed Receive sensitivity

-15.4
44.8
-13.5
2.6

Stressed Receive sensitivity OMA
Vertical Eye-closure Penalty
Deterministic Jitter
Total Jitter
Output Data Rise/Fall time
Receiver 3dB upper cutoff frequency
Optical Isolation 1260 to 1360nm
from
External 1550 to 1560nm
Source
1640 to 1665nm

V ECP
DJ
TJ
tr/tf

170
266
260
1500
-43
-33
-33

dBm
uW
dBm
dB
ps
ps
ps
MHz
dB
dB
dB

Note (5)

Note (1). Measured with 1490nm, 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 1480nm to 1500nm transmitted to terminal.
Note (5). These are 20%~80% values

5. Electrical Interface Characteristics
Parameter
Transmitter
Total Supply Current
Differential Data Input Swing
Differential line input Impedance
Transmitter Disable Input-High
Transmitter Disable Input-Low
Transmitter Fault Output-High
Transmitter Fault Output-Low
Transmitter Fault Pull up Resistor
Receiver
Total Supply Current
Differential Data Output Swing
LOS Output Voltage-High
LOS Output Voltage-Low
Receiver LOS Load

Symbol

Min.

ICC
VDT
RIN
VDISH
VDISL
VTXFH
VTXFL
RTX_FAULT

500
80
2
0
2
0
4.7

ICC
VDR
VLOSH
VLOSL
RRXLOS

400
2
0
4.7

Typ.

100

Max.

Unit

Note

A
2400
120
VCC
0.8
VCC+0.3
0.8
10

mA
mVp-p
Ohm
V
V
V
V
kΩ

Note (1)

B
900
VCC+0.3
0.8
10

mA
mVp-p
V
V
kΩ

Note (1)
Note (4)

Note (2)

Note (3)

Note (3)

Note (1). A (TX)+ B (RX) = 300mA
(A: Not include termination circuit; B: using a resister of 150Ω between Data-output and ground)
Note (2). There is an internal 4.7 to 10kΩ 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.

4
DELTA ELECTRONICS, INC.

Revision: S1
03/12/2007

www.deltaww.com

SPBD-1250A4Q1RT
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)

55
56
Cal Constants
(40 bytes)

95
96

95
96
Real Time Diagnostic Interface
(24 bytes)
Vender Specific
(32 bytes)

119
120
Vender Specific

127

127

128

128

User Writable EEPROM
(120 bytes)

Reserved in SFP MSA
(128 bytes)
247
248
255

255

Vender Specific
(8 bytes)

7. Digital Diagnostic Monitor Accuracy
Parameter
Transceiver Internal Temperature
Power Supply Internal Voltage
TX Bias Current
TX Optical Power
RX Optical Power

Accuracy

Unit

± 3℃

℃

± 3%
± 10%
± 3dB
± 3dB

V
mA
dBm
dBm

Calibration
Internal
Internal
Internal
Internal
Internal

Note
TC=-40~+85℃
VCC=3.3V±5%
Specified by nominal bias value
-9 to -3dBm
-23 to -3dBm

Note. Temperature and Voltage is measured internal to the transceiver.
5
DELTA ELECTRONICS, INC.

Revision: S1
03/12/2007

www.deltaww.com

SPBD-1250A4Q1RT
8. Pin Description

SFP Transceiver Electrical Pad Layout

Host Board Connector Pad Layout

Pin Function Definitions
Pin Num.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Name
VeeT
TX Fault
TX Disable
MOD-DEF2
MOD-DEF1
MOD-DEF0
Rate Select
LOS
VeeR
VeeR
VeeR
RDRD+
VeeR
VccR
VccT
VeeT
TD+
TDVeeT

Function
Transmitter Ground
Transmitter Fault Indication
Transmitter Disable
Module Definition 2
Module Definition 1
Module Definition 0
Not Connect
Loss of Signal
Receiver Ground
Receiver Ground
Receiver Ground
Inv. Received Data Out
Received Data Out
Receiver Ground
Receiver Power
Transmitter Power
Transmitter Ground
Transmit Data In
Inv. Transmit Data In
Transmitter Ground

Plug Seq.
1
3
3
3
3
3
3
3
1
1
1
3
3
1
2
2
1
3
3
1

Notes
Note (1)
Note (2)
Note (3)
Note (4), 2 wire serial ID interface
Note (4), 2 wire serial ID interface
Note (4), Grounded in Module
Function not available
Note (5)

Note (6)
Note (6)
Note (7)
Note (7)
Note (8)
Note (8)

Plug Seq.: Pin engagement sequence during hot plugging.

6
DELTA ELECTRONICS, INC.

Revision: S1
03/12/2007

www.deltaww.com

SPBD-1250A4Q1RT
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~10KΩ 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 Ω resistor. Its states are:

4)

Low (0 – 0.8V):

Transmitter on

(>0.8, < 2.0V):

Undefined

High (2.0 – 3.465V):

Transmitter Disabled

Open:

Transmitter Disabled

Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7K – 10KΩresistor 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 – 10KΩ 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 100Ω differential lines which should be
terminated with 100Ω (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 Ω
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.

7
DELTA ELECTRONICS, INC.

Revision: S1
03/12/2007

www.deltaww.com

SPBD-1250A4Q1RT
9. Recommend Interface Circuit
VCC

1uH

3.3V

Protocol Vcc

DELTA SFP Module

1uH
RES1

10uF

0.1uF
0.1uF

VccT
10k Ohms

Tx_Disable

Tx_Disable

Tx_Fault

Tx_Fault
TD +

0.01uF
100 Ohms

TD -

Protocol IC

Laser Driver
Laser Diode

0.01uF

VeeT

SerDes IC

VccR

RES1

10uF

0.1uF

RD +

0.01uF

RD -

0.01uF

100 Ohms*

Preamp &
Quantizer
Photo Diode

Rx_LOS

Rx_LOS

3.3V

VeeR
RES1

RES1

RES1

PLD / PAL

Mod_def 2

EEPROM

Mod_def 1
Mod_def 0

RES1 = 4.7k to 10k Ohms
* Depands on SerDes IC used

SFP Host Board Schematic

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.

Recommended Host Board Supply Filtering Network
8
DELTA ELECTRONICS, INC.

Revision: S1
03/12/2007

www.deltaww.com

SPBD-1250A4Q1RT
10. Outline Dimensions

Complies with 21 CFR
1040.10 and 1040.11
Made in x
FS

Class 1 Laser Product
XXXX nm Tx / Rx XXXX nm

Week (52Weeks/Year) : 1月2日=01

Transmitter Wavelength
1310nm
1490nm

Latch Color Identifier
Blue
Violet

9
DELTA ELECTRONICS, INC.

Revision: S1
03/12/2007

www.deltaww.com

SPBD-1250A4Q1RT
11. Regulatory Compliance
Feature

Test Method

Electrostatic Discharge
(ESD) to the Electrical
Pins

Human Body Model MIL-STD-883E Method 3015.7
(HBM)
EIA-JESD22-A114

Electrostatic Discharge
(ESD) to the Simplex
Receptacle

Contact Discharge

Machine Model (MM) EIA-JESD22-A115

Air Discharge

Radio Frequency
Electromagnetic Field
Immunity

IEC/EN 61000-4-2
IEC/EN 61000-4-2
IEC/EN 61000-4-3

Performance

(1) Satisfied with
electrical
characteristics of
product spec.
(2) No physical damage

FCC Part 15 Class B
EN 55022 Class B
(CISPR 22A)

Electromagnetic
Interference (EMI)

Laser Eye Safety

Reference

FDA/CDRH

FDA 21CFR 1040.10, 1040.11

CDRH File # 0420993

TUV

IEC/EN 60825-1
IEC/EN 60825-2

TUV
Certificate
R50032471

TUV

IEC/EN 60950

UL/CSA

UL 60950

#

Component Recognition
UL File # E239394

Appendix A. Document Revision
Version No.
S0
S1

Date
2006-08-15
2007-03-12

Description
Preliminary datasheet
Change the specification of Optical Rise/Fall Time from 200ps to 260ps.

10
DELTA ELECTRONICS, INC.

Revision: S1
03/12/2007

www.deltaww.com



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