Overview
The KSZ8081RNAIA-TR is a highly integrated Ethernet physical layer transceiver (PHY) designed and manufactured by Microchip Technology. This model is specifically tailored for 10BASE-T and 100BASE-TX Ethernet applications, offering a compact and efficient solution for data transmission over standard CAT-5 unshielded twisted pair (UTP) cables. The KSZ8081RNAIA-TR is ideal for embedded systems, IoT devices, and industrial automation, targeting engineers and developers seeking reliable and cost-effective Ethernet connectivity. Its unique selling points include low power consumption, robust performance in harsh environments, and seamless integration with MII/RMII-compatible Ethernet MAC processors and switches.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Type | Transceiver | - | Ethernet PHY |
| Protocol | RMII | - | Reduced Media Independent Interface |
| Driver/Receiver | 1/1 | - | Full-duplex |
| Data Rate | 10/100 | Mbps | 10BASE-T/100BASE-TX |
| Supply Voltage | 1.8, 2.5, 3.3 | V | Multiple options |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Mounting Type | Surface Mount | - | SMT |
| Package | 24-QFN (4x4) | - | Exposed pad |
Key Features
- Supports 10BASE-T and 100BASE-TX Ethernet standards.
- Integrated RMII interface for seamless MAC connectivity.
- Low power consumption for energy-efficient designs.
- Robust performance in industrial temperature ranges (-40°C to 85°C).
- Compact 24-QFN package for space-constrained applications.
- On-chip termination resistors simplify PCB layout.
- Diagnostic features for easy system debugging and testing.
Applications
The KSZ8081RNAIA-TR is widely used in various applications, including embedded systems, IoT devices, industrial automation, and consumer electronics. Its ability to operate in harsh environments makes it suitable for industrial control systems, smart meters, and automotive electronics. Additionally, its compact form factor and low power consumption make it ideal for portable devices and battery-powered applications.
Q & A
1. What is the operating voltage range of the KSZ8081RNAIA-TR?
The KSZ8081RNAIA-TR supports multiple supply voltages: 1.8V, 2.5V, and 3.3V.
2. What Ethernet standards does this model support?
It supports 10BASE-T and 100BASE-TX Ethernet standards.
3. What is the operating temperature range?
The device operates in a temperature range of -40°C to 85°C.
4. What interface does the KSZ8081RNAIA-TR use?
It uses the RMII (Reduced Media Independent Interface) for Ethernet connectivity.
5. Is the KSZ8081RNAIA-TR suitable for industrial applications?
Yes, its robust design and wide temperature range make it ideal for industrial applications.
6. What is the package type of this model?
It comes in a 24-QFN (4x4) package with an exposed pad.
7. Does the KSZ8081RNAIA-TR support full-duplex communication?
Yes, it supports full-duplex communication.
8. What are the key diagnostic features?
It includes diagnostic functions for system debugging and testing, such as LinkMD® cable diagnostics.
9. Can this model be used in battery-powered devices?
Yes, its low power consumption makes it suitable for battery-powered applications.
10. Is the KSZ8081RNAIA-TR compatible with MII interfaces?
No, it is specifically designed for RMII interfaces.
