HI-8191PSTF

Analog Switches, Multiplexers, Demultiplexers Overview

The HI-8191PSTF is a quad single-pole single-throw (SPST) analog switch manufactured by Holt Integrated Circuits Inc. packaged in a 16-pin SOIC. It features four independent switching circuits with a typical on-resistance of 17 Ohms. The device operates with 3.3V and 5.0V compatible logic levels, supporting high-speed switching applications. It is RoHS compliant and lead-free.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Integrates four independent SPST analog switches within a single integrated circuit package
• Supports 3.3V and 5.0V logic level compatibility for versatile interface integration
• Designed for high-speed signal switching and multiplexing operations

Analog Switches, Multiplexers, Demultiplexers Applications

• Flight control systems
• Navigation equipment
• Engine management units
• Avionics communications modules

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the manufacturer designation as Holt Integrated Circuits Inc. when sourcing components. Confirm the specific suffix PSTF corresponds to the 16-SOIC package variant. Ensure compliance with RoHS standards and lead-free requirements for procurement specifications. Cross-reference the part number against official distributor catalogs to confirm availability status.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component for applications requiring multiple isolated analog signal paths controlled by standard logic levels. The 17 Ohm on-resistance suits general-purpose signal routing where low distortion is required. Consider the 16-SOIC footprint for PCB layout constraints. Evaluate thermal dissipation capabilities based on the expected current load across the four channels.

Analog Switches, Multiplexers, Demultiplexers Part Context

Holt Integrated Circuits Inc. specializes in avionics data bus solutions, supplying components to over 400 manufacturers globally. The HI-8191PSTF belongs to their portfolio of analog switches designed for critical aerospace and defense environments. This series supports various flight control, navigation, and safety equipment applications requiring reliable signal switching.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Consult official datasheets for direct pin-compatible substitutes from the same product family. Verify that alternative parts maintain identical 3.3V/5.0V logic compatibility and SPST configuration. Ensure package dimensions match the 16-SOIC form factor for seamless board replacement.