Alpha Bridge - 1/1.25G

Features
- Compliant with IEEE 3ab/ Gigabit Ethernet Standard
- Compliant with SFP MSA
- Hot-pluggable SFP footprint
- 10/100/1000BASE-T operation in the host system with SGMII interface
- EEPROM with Serial ID functionality
- Hot-pluggable capability
- Compliant with industry standard RFT electrical connector and cage
- Internal PHY IC is configurable by host system software via SFP 2-wire interface
- Support MDIX
- Compliant with RoHS
Applications
- Gigabit Ethernet over
- Switch to switch
- Switched backplane
- File server interface
Performance
- ASFP-1G-T data link up to 100 m on standard CAT 5 UTP
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Max. | Units | Note |
| Storage Temperature | Ts | -40 | 85 | ºC | |
| Supply Voltage | VCC | 0 | 5 | V |
Recommended Operating Conditions
| Parameter | Symbol | Min. | Max. | Units | Note |
| Operating Temperature | Tc | 0 | 70 | ºC | |
| Supply Voltage | VCC | 3.135 | 3.465 | V |
Electrical Characteristics
| Parameter | Symbol | Min. | Typ. | Max. | Units | Note |
| Supply Current | ICC | --- | 350 | 400 | mA | |
| Transmitter | ||||||
| Data Input Differential Voltage | VD,TX | 0.5 | --- | 2.4 | V | 1 |
| Differential Input Impedance | ZTX | 80 | 100 | 120 | Ohm | |
| Transmitter Disable Input-High | VDIS H | 2.0 | --- | VCC+0.3 | V | |
| Transmitter Disable Input-Low | VDIS L | 0 | --- | 0.8 | V | |
| Receiver | ||||||
| Data Output Differential Voltage | VD,R X | 0.35 | --- | 2 | mV | 3 |
| Differential Output Impedance | ZRX | 80 | 100 | 120 | Ohm | |
| Data Output Rise/Fall Time | tr, R x / tf, Rx | --- | 180 | --- | Ps | 4 |
| LOS Output Voltage-High | VLO IS H | 2 | --- | VCC+0.3 | V | 2 |
| LOS Output Voltage -Low | VLO S L L | 0 | --- | 0.8 | V | 2 |
Pin Definitions
| Pin | Name | Function | Plug | Notes |
| 1 | VeeT | Transmitter Ground | 1 | Note 5 |
| 2 | TX Fault | Transmitter Fault Indication | 3 | Note 1 - Function not available |
| 3 | TX_Disable | Transmitter Disable | 3 | Note 2 - Module disables on high or open |
| 4 | MOD-DEF2 | Module Definition 2 | 3 | Note 3 - Two-wire serial ID interface |
| 5 | MOD-DEF1 | Module Definition 1 | 3 | Note 3 - Two-wire serial ID interface |
| 6 | MOD-DEF0 | Module Definition 0 | 3 | Note 3 - grounded in module |
| 7 | Rate Select | Not Connect | 3 | Function not available |
| 8 | LOS | Loss of Signal | 3 | Note 4 - Function not available |
| 9 | VeeR | Receiver Ground | 1 | Note 5 |
| 10 | VeeR | Receiver Ground | 1 | Note 5 |
| 11 | VeeR | Receiver Ground | 1 | Note 5 |
| 12 | RD- | Inverse Received Data Out | 3 | Note 6 |
| 13 | RD+ | Received Data Out | 3 | Note 6 |
| 14 | VeeR | Receiver Ground | 1 | Note 5 |
| 15 | VccR | Receiver Power | 2 | Note 7 - 3.3V ± 5% |
| 16 | VccT | Transmitter Power | 2 | Note 7 - 3.3V ± 5% |
| 17 | VeeT | Transmitter Ground | 1 | Note 5 |
| 18 | TD+ | Transmitter Data In | 3 | Note 8 |
| 19 | TD- | Inverse Transmitter Data In | 3 | Note 8 |
| 20 | VeeT | Transmitter Ground | 1 | Note 5 |
Ordering Information
| Model Number | Part Number | Distance | Voltage | Temperature |
| ASFP-1G-T | OP6C-TX1-00-C1 | 100m | 3.3V | 0°C to 70 °C |

