The AM7968-70DC, manufactured by Rochester Electronics, is a network interface controller (NIC) designed for Ethernet applications. Rochester Electronics specializes in providing long-term support and continuing manufacturing of discontinued or end-of-life semiconductor devices. The AM7968-70DC is a vital component for enabling network connectivity in various systems.

Applications

• Embedded networking devices
• Industrial Ethernet controllers
• Network interface cards (NICs)
• Bridge and router systems
• Legacy network equipment
• Telecommunications equipment

Features

• Ethernet Controller: Supports standard Ethernet protocols.
• 70ns Access Time: Relatively fast access time for data transfer.
• DMA Support: Direct Memory Access capability for efficient data transfer between the network and system memory.
• Manchester Encoding/Decoding: Handles Manchester encoding/decoding for Ethernet communication.
• Supports various network speeds: (depending on the specific implementation - check the datasheet).
• Interrupt Handling: Generates interrupts to signal network events to the host processor.

Benefits

• Network Connectivity: Enables devices to communicate over an Ethernet network.
• Efficient Data Transfer: DMA support allows for high-speed data transfer with minimal CPU overhead.
• Simplified Network Integration: Provides a complete Ethernet interface solution.
• Long-Term Availability: Rochester Electronics ensures the continued availability of this device, even after the original manufacturer has discontinued production.
• Cost-Effective Solution: Provides a cost-effective solution for adding Ethernet connectivity to embedded systems.
• Legacy System Support: Ideal for maintaining and supporting older network equipment.

Additional Details

The AM7968-70DC is available in a DIP package ('DC' likely indicates Dual In-line Package). It requires a clock signal and external components for proper operation. The datasheet provides detailed information on pin assignments, electrical characteristics, timing specifications, and application circuits. Rochester Electronics provides documentation and support for this device, ensuring that customers can continue to use it in their systems. This part is particularly valuable for applications where a replacement or alternative for a discontinued Ethernet controller is needed.