QS74FCT191CTSO

Counter Dividers Overview

The QS74FCT191CTSO is a binary counter integrated circuit manufactured by Quality Semiconductor. It features a 4-bit bidirectional counting capability with positive edge triggering. The device operates within a supply voltage range of 4.75 V to 5.25 V and supports an industrial temperature range from -40 °C to +85 °C. It is housed in a 20-lead ceramic chip carrier package (QCCN/LCC20) with a .35 SQ footprint.

Counter Dividers Feature Summary

• Supports synchronous up and down counting operations
• Utilizes CMOS technology for low power consumption
• Features inverted output polarity

Counter Dividers Applications

• Digital signal processing systems requiring binary counting
• Industrial control equipment operating in extreme temperatures
• Electronic measurement devices

Counter Dividers Procurement Notes

Verify the manufacturer designation as Quality Semiconductor Inc, distinct from Texas Instruments variants. Confirm the specific QCCN package type and ceramic construction. Ensure compliance with RoHS status details provided in official documentation before integration.

Counter Dividers Selection Notes

Select this component for applications requiring robust ceramic packaging and wide temperature tolerance. The FCT series compatibility ensures interface standards with other logic families. Verify load capacitance requirements against the specified 50 pF limit for optimal performance.

Counter Dividers Part Context

This part belongs to the FCT logic series, designed for high-speed digital applications. It serves as a specialized binary counter alternative to standard plastic packages, offering enhanced durability through its metal-sealed cofired ceramic construction suitable for harsh environments.

Counter Dividers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.