VSC8540RT - Electronic component Microchip - Free user manual and instructions
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| Type of Product | Ethernet PHY Transceiver |
| Manufacturer | Microchip Technology |
| Model | VSC8540RT |
| Category | Electronic Component |
| Supported Data Rates | 10/100/1000 Mbps (Gigabit Ethernet) |
| Interface | RGMII, RMII, MII |
| Package Type | 48-pin QFN (7x7 mm) |
| Supply Voltage | 3.3V (core) and 1.8V/2.5V (I/O) |
| Power Consumption | Typically 1.0 W |
| Operating Temperature Range | -40°C to +85°C |
| Compliance | IEEE 802.3, 802.3u, 802.3ab |
| Key Features | Energy Efficient Ethernet (EEE), Auto-MDI/MDIX, Wake-on-LAN, QoS |
| Dimensions (approx.) | 7.0 x 7.0 x 0.9 mm |
| Weight (approx.) | 0.2 g |
| Maintenance and Cleaning | Not required; handle with ESD precautions. |
| Safety Precautions | ESD sensitive device. Use proper grounding. |
| Spare Parts and Repairability | Not applicable (integrated circuit). Replace if faulty. |
| General Information | Refer to datasheet for detailed specifications. |
Frequently Asked Questions - VSC8540RT Microchip
What is the VSC8540RT?
The VSC8540RT is a Gigabit Ethernet PHY transceiver from Microchip, supporting 10/100/1000 Mbps data rates over copper cabling.
What interfaces does the VSC8540RT support?
It supports RGMII, RMII, and MII interfaces for connection to a MAC.
What is the supply voltage requirement?
The core operates at 3.3V, while the I/O can use 1.8V or 2.5V depending on the interface.
What is the operating temperature range?
The device is rated for industrial temperature range: -40°C to +85°C.
Does it support Energy Efficient Ethernet?
Yes, the VSC8540RT supports IEEE 802.3az Energy Efficient Ethernet (EEE) to reduce power consumption during low link utilization.
What package is the VSC8540RT available in?
It comes in a 48-pin QFN package with dimensions 7x7 mm.
How do I configure the VSC8540RT?
Configuration is typically done via the MDIO/MDC management interface or through strapping pins.
Is the VSC8540RT compatible with 1000Base-T?
Yes, it fully supports 1000Base-T (Gigabit Ethernet over twisted pair) per IEEE 802.3ab.
What are the key safety precautions?
The device is ESD sensitive. Use proper grounding and anti-static measures during handling.
Where can I find the datasheet?
The datasheet is available on Microchip's official website or from authorized distributors.
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