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Help Center1.25G SFP Optical Transceiver Multimode 850nm MMF Fiber 550m Transmission
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1.25G SFP optical transceiver multimode 850nm MMF fiber 550m transmission
Products Feature
l Up to 1.25 Gbps data links
l Hot-pluggable SFP footprint
l 850nm Oxide VCSEL laser transmitter
l Duplex LC connector
l RoHS Compliant and Lead-Free
l Up to 500m on 50/125μm MMF,300m on 62.5/125μm MMF
l Metal enclosure, for lower EMI
l Single power supply 3.3V
l Low power dissipation
l Commercial operating temperature range: 0°C to 70°C
APPLICATIONS
l 1.25 Gbps 1000Base-SX Ethernet
l Dual Rate 1.063 Gbps Fibre Channel
The PHY-8524-1LS Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). They are simultaneously compatible with Gigabit Ethernet as specified in IEEE Std 802.3 and Fibre Channel FC- PI-2 Rev. 7.0. They are RoHS compliant and lead-free per Directive 2002/95/EC
Applications
l Gigabit EthernetApplication
l Point-to-Point FTTX Application
The PHY-3524-1LX Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA)1. They are simultaneously compatible with Gigabit Ethernet as specified in IEEE Std 802.32 and
Fibre Channel FC- PI-2 Rev. 7.03. They are RoHS compliant and lead-free per Directive
2002/95/EC4
Ⅰ. Pin Descriptions
Pin |
Symbol |
Name/Description |
Ref. |
1 |
VEET |
Transmitter Ground (Common with Receiver Ground) |
1 |
2 |
TFAULT |
Transmitter Fault. Not supported. |
|
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 |
|
8 |
LOS |
Loss of Signal indication. Logic 0 indicates normal operation. |
4 |
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. LOS is open collector output. Should be pulled up with 4.7k – 10kohmson host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicatesloss of signal.
Ⅱ.Absolute Maximum Ratings
Parameter |
Symbol |
Min. |
Max. |
Units |
Storage Temperature |
TS |
-45 |
+100 |
℃ |
Supply Voltage |
Vcc |
-0.5 |
6.0 |
V |
Input Voltage |
VIN |
-0.5 |
Vcc |
V |
Output Current |
Io |
|
50 |
mA |
Operating Current |
IOP |
|
400 |
mA |
Case Operating Temperature |
TC |
-40 |
+85 |
℃ |
Supply Current |
ITX + IRX |
|
250 |
mA |
Ⅲ.Transmitter Electro-optical Characteristics
Vcc = 3.1 V to 3.5 V, TC =-40℃ to +85 ℃
Parameter |
Symbol |
Min. |
Typ. |
Max |
Units |
Note |
|
Output Optical Power 9/125 μm fiber |
Pout |
-9 |
--- |
-3 |
dBm |
1 |
-4 |
--- |
+3 |
dBm |
2 |
||
-3 |
--- |
+3 |
dBm |
3 |
||
Extinction Ratio |
ER |
9 |
--- |
--- |
dB |
|
Center Wavelength |
λC |
1260 |
1310 |
1360 |
nm |
|
|
Spectral Width (RMS) |
Δλ |
--- |
--- |
2.5 |
nm |
1 |
1 |
nm |
2,3 |
||||
Rise/Fall Time, (20−80%) |
Tr/f |
--- |
--- |
260 |
ps |
|
Relative Intensity Noise |
RIN |
--- |
--- |
-120 |
dB/Hz |
|
Total Jitter |
TJ |
--- |
--- |
227 |
ps |
|
Output Eye |
Compliant with IEEE802.3z |
|||||
Max. Pout TX-DISABLE Asserted |
POFF |
--- |
--- |
-45 |
dBm |
|
Differential Input Voltage |
VDIFF |
0.4 |
--- |
2.0 |
V |
|
Note
1.PHY-3524-1L2 2.PHY-3524-1L4 3.PHY-3524-1L6
Receiver Electro-optical Characteristics
Vcc = 3.1 V to 3.5 V, TC =-40℃ to +85 ℃
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Units |
Note |
Optical Input Power-maximum |
PIN |
0 |
--- |
--- |
dBm |
BER < 10-12 |
|
Optical Input Power-minimum (Sensitivity) |
PIN |
--- |
--- |
-24 |
dBm |
BER < 10-12 |
Operating Center Wavelength |
λC |
1480 |
1550 |
1580 |
nm |
|
Optical Return Loss |
ORL |
14 |
--- |
--- |
dB |
1480~1580nm |
Optical isolation |
ISO |
--- |
--- |
-40 |
dB |
1480~1580nm |
Signal Detect-Asserted |
PA |
--- |
--- |
-24 |
dBm |
|
Signal Detect-Deasserted |
PD |
-35 |
--- |
|
dBm |
|
Differential Output Voltage |
VDIFF |
0.5 |
--- |
1.2 |
V |
|
|
Data Output Rise, Fall Time (20−80%) |
T r/f |
--- |
--- |
0.35 |
ns |
|
|
Receiver Loss of Signal Output Voltage-Low |
RX_LOSL |
0 |
--- |
0.5 |
V |
|
|
Receiver Loss of Signal Output Voltage-High |
RX_LOSH |
2.4 |
--- |
Vcc |
V |
|
Block Diagram of Transceiver
Dimensions
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