ATR-S0203 [ETC]
1.25Gbps Single Mode SFP Transceiver (20km); 1.25Gbps的单模SFP收发器（20公里）
| 型号： | ATR-S0203 |
| 厂家： | 
ETC |
| 描述： | 1.25Gbps Single Mode SFP Transceiver (20km) |
| 文件： | 总5页 (文件大小：187K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1.25Gbps Single Mode SFP Transceiver (20km)
ATR-S0203
Features
a. Single Power Supply 3.3V
b.Small Form Factor Pluggable (SFP) MSA compatible
c. LVPECL Compatible Signal Interface
d.Duplex LC Connector
Applications
a. SONET/SDH /ATM
c. Distributed Multi-processing
d. Switch to Switch Interface
e. Bus Extension Application
f. Channel Extender, Data Storage Systems
g. High Speed I/O for File Server
Absolute maximum ratings
Parameter
Symbol
TS
Min.
-40
0
Max.
+85
Unit
℃
℃
V
Storage Temperature
Operating Temperature
Supply Voltage
Top
+70
VCC
VIN
-0.5
0
+3.6
Vcc
Voltage at any Input Pin
V
Operating Conditions
Transmitter（T=0 to +70℃, VCC =3.13~3.47V）
Parameter
Symbol
λC
Min.
Typ.
Max.
1350
3
Unit
Central Wavelength
1270
-
1310
nm
nm
dBm
dB
ps
Spectral Width(RMS)
Output Power
Δλ
-
-
-
-
-
Po
-6
-1
Extinction Ratio
ER
8.2
-
-
Optical Rise/Fall Time
Differential Input Voltage
Tx Disable Input Voltage_Low
Tx Disable Input Voltage_High
Transmit Fault Output-Low
Transmit Fault Output-High
Tr/Tf
260
2000
0.5
Vcc
0.8
VCC
VIH- VIL
TDIS, L
500
0
mV
V
TDIS, H
2.0
0
V
TX_FAULTL
TX_FAULTH
-
-
V
2.0
V
Receiver （T=0 to +70℃, Vcc=3.13~3.47V (+3.3V)
Parameter
Symbol
λ
Min.
1100
-
Typ.
Max.
1600
-21
-
Unit
nm
Wavelength Range
-
-
-
MIN. Input Power (Sensitivity)
MAX. Input Power (Saturation)
PMIN
PMAX
dBm
-3
dBm
No. 8, Jingwu Road
Ding Mao Development Zone
Zhenjiang 212009, China
Tel: (86)511-8885688(5088) Fax: (86)511-8889135
Email: sales@allrayinc.com, marketing@allrayinc.com
1.25Gbps Single Mode SFP Transceiver (20km)
ATR-S0203
Signal Detect-Asserted
Signal Detect-Deasserted
Signal Detect Hysteresis
Return Loss
PA
PD
-
-35
1
-
-
-
-
-21
-
dBm
dBm
dB
PHYS
ORL
12
-
dB
Differential Output Voltage
Receiver Loss of Signal Output
Voltage-Low
VOH- VOL
RX_LOSL
RX_LOSH
0
-
-
0.8
V
V
Receiver Loss of Signal Output
Voltage-High
2.0
VCC
Block Diagram of Transceiver
Pin Assignment and Function Definitions
It is the responsibility of the system integrator to assure that no thermal, energy, or voltage hazard exists
during the hot-plug-unplug sequence. It is also the responsibility of the system integrator and end-user to
minimize static electricity and the probability of ESD events by careful design.
No. 8, Jingwu Road
Ding Mao Development Zone
Zhenjiang 212009, China
Tel: (86)511-8885688(5088) Fax: (86)511-8889135
Email: sales@allrayinc.com, marketing@allrayinc.com
1.25Gbps Single Mode SFP Transceiver (20km)
ATR-S0203
SFP Transceiver Electrical Pad Layout
Pins Assignment
Function
Pin No. Name
Function
Plug Seq.
Notes
1
2
3
4
VeeT
Transmitter Ground
Transmitter Fault Indication
Transmitter Disable
Module Definition 2
1
3
3
3
TX Fault
TX Disable
MOD-DEF2
Note 1
Note 2
Note 3
No. 8, Jingwu Road
Ding Mao Development Zone
Zhenjiang 212009, China
Tel: (86)511-8885688(5088) Fax: (86)511-8889135
Email: sales@allrayinc.com, marketing@allrayinc.com
1.25Gbps Single Mode SFP Transceiver (20km)
ATR-S0203
5
6
7
8
9
MOD-DEF1
MOD-DEF0
Rate Select
LOS
VeeR
VeeR
VeeR
RD-
RD+
VeeR
VccR
VccT
VeeT
TD+
TD-
VeeT
Module Definition 1
Module Definition 0
Not Connected
3
3
3
3
1
1
1
3
3
1
2
2
1
3
3
1
Note 3
Note 3
Loss of Signal
Note 4
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
10
11
12
13
14
15
16
17
18
19
20
Notes:
Note 5
Note 5
Note 6
Note 6
1. TX Fault is an open collector output, which should be pulled up with a 4.7K~10K. 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 4.7K~10K. resistor. Its states are:
Low (0~0.8V) : Transmitter on
(>0.8V, <2.0V) : Undefined
High (2.0~3.465V) : Transmitter Disabled
Open : Transmitter Disabled.
3. MOD-DEF 0,1,2 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.
4. LOS is an open collector output, which should be pulled up with a 4.7K~10K. resistor on the host board to
a voltage between 2.0V and Vcc+0.3V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.
In the low state, the output will be pulled to less than 0.8V.
5. 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. These are the differential transmitter inputs. They are AC-coupled, differential lines with 100.differential
termination inside the module.
Recommended Host Board Supply Filtering Network
No. 8, Jingwu Road
Ding Mao Development Zone
Zhenjiang 212009, China
Tel: (86)511-8885688(5088) Fax: (86)511-8889135
Email: sales@allrayinc.com, marketing@allrayinc.com
1.25Gbps Single Mode SFP Transceiver (20km)
ATR-S0203
Example SFP Host Board Schematic SFP
Mechanical
Ordering Information
TX Power
(dBm)
RX Sens (Max.)
Part No.
Supply Voltage
3.3V
Distance
20km
(dBm)
ATR-S0203
-6~-1
-21
No. 8, Jingwu Road
Ding Mao Development Zone
Zhenjiang 212009, China
Tel: (86)511-8885688(5088) Fax: (86)511-8889135
Email: sales@allrayinc.com, marketing@allrayinc.com
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