HI-4850PSIF

Overview

The HI-4850PSIF is a half-duplex transceiver manufactured by Holt Integrated Circuits Inc., designed for RS-422 and RS-485 communication protocols. It operates within an extended temperature range of -40°C to +85°C and supports data rates up to 5 Mbps. The device utilizes CMOS technology and is housed in an 8-SOIC surface-mount package with a width of 3.90 mm. It functions as a single driver and receiver unit, providing robust signal integrity for industrial signaling systems.

Feature Summary

• Supports RS-422 and RS-485 half-duplex communication protocols
• Capable of high-speed data transmission up to 5 Mbps
• Operates reliably across an extended industrial temperature range
• Utilizes CMOS technology for efficient power consumption

Applications

• Industrial communication and signaling systems
• RS-485 bus network interfaces
• RS-422 point-to-point or multi-point links
• Data acquisition and control applications

Procurement Notes

Verify the specific manufacturer part number against official Holt Integrated Circuits documentation to ensure authenticity. Confirm that the component matches the 8-SOIC package dimensions and electrical specifications required for your design. Check for any specific ordering suffixes that may indicate variations in tape-and-reel packaging or lead finish, ensuring compatibility with your assembly process.

Selection Notes

Select this component when a half-duplex interface is required for RS-422 or RS-485 networks. Ensure the system voltage aligns with the typical 3.3 V supply requirement. Consider the 8-SOIC footprint for PCB layout constraints. Verify that the operating temperature range meets the environmental conditions of the intended application site.

Part Context

This transceiver belongs to the family of interface ICs produced by Holt Integrated Circuits Inc., specializing in robust communication solutions. It complements other devices like the HI-4854PSIF, which offers full-duplex functionality. The product line focuses on providing reliable data transfer capabilities for demanding industrial environments using standard serial communication standards.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official manufacturer resources for direct replacements or cross-reference compatible components based on pinout and electrical specifications.