The Realtek RTL8101L-GR is a highly integrated single-chip Fast Ethernet controller. It combines a IEEE 802.3 compliant Media Access Controller (MAC), a PCI interface, and an embedded memory. This chip is designed for high performance and cost-effectiveness in network applications. The -GR suffix typically indicates a specific packaging or environmental compliance, often related to RoHS (Restriction of Hazardous Substances).

Applications

• Network Interface Cards (NICs)
• Embedded Systems requiring Ethernet connectivity
• Motherboards with integrated LAN functionality
• USB Ethernet Adapters

Features

• IEEE 802.3 and 802.3u compliant
• Supports 10/100Mbps data rates
• PCI local bus specification revision 2.2 compliant
• Supports PCI power management
• Integrated 10/100 transceiver
• Supports full-duplex and half-duplex operation
• Supports wake-on-LAN (WOL) functionality
• Embedded memory for packet buffering
• Supports auto-negotiation

Benefits

• High Performance: Delivers fast and reliable network connectivity.
• Cost-Effective: Offers a single-chip solution reducing overall system cost.
• Power Efficient: Supports PCI power management, reducing power consumption.
• Easy Integration: Compliant with industry standards, ensuring compatibility with various systems.
• Wake-on-LAN: Enables remote system wake-up for efficient power management.

Additional Details

The RTL8101L-GR uses a PCI interface for communication with the host system. It supports both full-duplex and half-duplex operation, allowing for efficient data transmission. The integrated transceiver simplifies the design and reduces the number of external components required. This controller also includes advanced features such as wake-on-LAN (WOL), which allows the system to be powered on remotely. The chip is typically packaged in a QFP (Quad Flat Package) for easy surface mounting on PCBs. It is designed to operate within a specific temperature range, and detailed specifications are available in the product datasheet from Realtek. Furthermore it supports various operating systems through drivers, offering broad compatibility. The embedded memory enhances data handling and reduces latency. Auto-negotiation feature allows the chip to automatically detect the network speed and duplex mode, simplifying network setup. The RTL8101L-GR's robust design and comprehensive feature set make it a versatile choice for a wide range of networking applications. The 'GR' suffix likely denotes compliance with green or environmental standards, such as RoHS.