The AM79C970AVI, manufactured by Rochester Electronics, is a single-chip 10BASE-T Ethernet controller designed for use in PC-based network adapters. It provides a cost-effective and highly integrated solution for connecting personal computers to Ethernet networks. This component is a re-engineered device produced by Rochester Electronics, ensuring its availability and performance meet original specifications.

Applications

• Network Interface Cards (NICs)
• Embedded Systems with Ethernet Connectivity
• PC Motherboards
• Industrial Control Systems

Features

• Single-chip 10BASE-T Ethernet controller
• Supports IEEE 802.3 standards for Ethernet communication
• Integrated Media Access Controller (MAC) and Physical Layer (PHY) transceiver
• Auto-negotiation for automatic speed and duplex selection
• Supports both twisted-pair and fiber-optic Ethernet connections
• Diagnostic Loopback for enhanced system testing
• Advanced power management features to minimize energy consumption
• 16-bit ISA interface for seamless integration with PC systems

Benefits

• Cost-effective solution for Ethernet connectivity
• Reduced board space and component count due to high integration
• Improved system performance with efficient data transfer rates
• Simplified network management with auto-negotiation capabilities
• Enhanced system reliability through diagnostic testing
• Extended product lifecycle with Rochester Electronics' re-engineering process
• Low power consumption suitable for energy-sensitive applications

Additional Details

The AM79C970AVI operates on a 5V power supply and is available in a variety of package options. It includes built-in buffers for transmit and receive data, enabling efficient data handling and minimizing CPU overhead. The device is designed to meet the stringent requirements of industrial and commercial applications, ensuring reliable performance in demanding environments. It is a re-engineered component, offering a continued supply of this legacy chip, which is crucial for maintaining and extending the life of existing systems.

This Ethernet controller also supports a range of software drivers, making it compatible with various operating systems, including Windows and Linux. This wide compatibility simplifies system integration and ensures seamless operation in diverse network environments. The inclusion of loopback testing capabilities allows for easy diagnosis of network connectivity issues, reducing downtime and maintenance costs.