Description
Copper SFP Transceiver Features
- Hot-pluggable SFP Footprint
- Fully Metallic Enclosure for Low EMI
- Low Power Dissipation
- Compact RJ-45 Connector Assembly
- Detailed Product Information in EEPROM
- +3.3V Single Power Supply
- Access to Physical Layer IC via 2-wire Serial Bus
- 1000-BASE-T Operation in Host Systems with SERDES Interface
- Compliant with SFP MSA
- Compliant with IEEE 802.3TM-2002
- Operating case temperature: Commercial: 0°C to +70°C; Industrial: -40°C to +85°C
Application of 1000BASE-T SFP
- Switch/Route to Switch/Route Link
- LAN1000Base-T
- High Speed I/O for File Server
- Gigabit Ethernet over Cat 5 cable
Cable Length of 1000BASE-T SFP Transceiver
| Standard | Cable | Reach | Host Port |
| 1000base-T | CAT5 | 100m | SERDES |
Electrical Power Interface
| Parameter | Symbol | Min. | Typical | Max. | Unit | Note |
| Supply Current | IS | 300 | 350 | mA | ||
| Input Voltage | VCC | 3.13 | 3.3 | 3.47 | V | Referenced to GND |
| Maximum Voltage | Vmax | 3.6 | V |
Low-speed signals, electronic characteristics
| Parameter | Symbol | Min. | Max. | Unit | Note |
| SFP+ Output LOW | VOL | 0 | 0.5 | V | 4.7k to 10k pull-up to host_Vcc, measured at host side of connector |
| SFP+ Output HIGH | VOH | host_Vcc – 0.5 | host_Vcc + 0.3 | V | |
| SFP+ Input LOW | VIL | 0 | 0.8 | V | 4.7k to 10k pull-up to Vcc, measured at SFP side of connector |
| SFP+ Input HIGH | VIH | 2 | Vcc + 0.3 | V |
High-speed electrical interface, transmission line-SFP
| Parameter | Symbol | Min. | Typical | Max. | Unit | Note |
| Line Frequency | fL | 125 | MHz | 5-level encoding, per IEEE 802.3 | ||
| Tx Output Impedance | Zout,TX | 100 | Ohm | Differential, for all Frequencies between 1MHz and 1250MHz | ||
| Rx Input Impedance | Zin,RX | 100 | Ohm |
High-speed electrical interface, host-SFP
| Parameter | Symbol | Min. | Typical | Max. | Unit | Note |
| Single Ended Data Input Swing | Vin | 250 | 1200 | mV | ||
| Single Ended Data Output Swing | Vout | 300 | 1000 | mV | ||
| Rise/Fall Time | Tr,Tf | 250 | ps | 20%-80% | ||
| Tx Input Impedance | Zin | 100 | Ohm | Differential | ||
| Rx Output Impedance | Zout | 100 | Ohm | Differential |
SFP-RJ45-GE-TG General specifications
| Parameter | Symbol | Min. | Typical | Max. | Unit | Note |
| Data Rate | BR | 1000 | Mbps | IEEE 802.3 compatible. | ||
| Cable Length | L | 100 | m | Category 5 UTP. BER <10-12 |
Notes:
- Clock tolerance is +/- 50 ppm.
- By default, the YSP12-TCis a full duplex device in preferred master mode.
- Automatic crossover detection is enabled. External crossover cable is not required.
Ordering Information
| Part number | Speed mode | MAC interface | TX Disable function | Link Indicator on RX_LOS Pin | Temp |
| SFP-RJ45-GE-TG | 1000Mbps | SERDES | YES | YES | 0~70℃ |
| SFP-RJ45-GE-TGT | 1000Mbps | SERDES | YES | YES | -40~85℃ |




