5446AW/B

Overview

The Rochester Electronics 5446AW/B is a single driver and receiver transceiver designed for RS-422 and RS-485 communication protocols. It supports data rates up to 10Mbps and operates within a supply voltage range of 3V to 3.6V. This component provides differential transmission and reception capabilities, ensuring reliable signal integrity in noisy environments typical of industrial serial communication applications.

Feature Summary

• Supports RS-422 and RS-485 differential signaling standards
• Capable of high-speed data transmission up to 10Mbps
• Operates on low voltage power supplies ranging from 3V to 3.6V

Applications

• Industrial serial communication systems
• RS-485 multi-drop networks
• RS-422 point-to-point links

Procurement Notes

Verify the specific lot date code and manufacturing origin when sourcing this component from Rochester Electronics. As a distributor of surplus and obsolete parts, confirm that the device matches the original manufacturer's specifications and has undergone appropriate electrical testing to ensure reliability for your specific application requirements.

Selection Notes

Select this component when a robust solution for RS-422 or RS-485 interfaces is required at low voltage levels. Ensure the system design accommodates the 3V to 3.6V supply constraint and that the 10Mbps data rate meets the throughput needs of the target communication bus architecture.

Part Context

Rochester Electronics specializes in providing lifecycle support for legacy and hard-to-find integrated circuits. The 5446AW/B represents their capability to source and qualify components originally manufactured by other vendors, offering availability for discontinued semiconductors used in existing industrial and commercial equipment designs.

Replacement Considerations

Direct cross-references may include the SN75176 or MAX485 series if pin compatibility and electrical characteristics align with the system design constraints.