SNJ54HC161FK

Counter Dividers Overview

The SNJ54HC161FK is a synchronous 4-bit binary counter manufactured by Texas Instruments. It operates within an extended temperature range of -55°C to 125°C and utilizes a 20-lead LCCC package. The device functions as a high-speed CMOS logic circuit with a maximum operating frequency of 21 MHz at nominal supply voltage. Key electrical characteristics include a load capacitance of 50 pF and a maximum output current of 5.2 mA. It features an RCO output for cascading applications.

Counter Dividers Feature Summary

• Synchronous 4-bit binary counting operation
• Extended industrial temperature range capability
• High-speed CMOS technology implementation
• RCO output feature for cascading

Counter Dividers Applications

• Digital counting systems
• Timing sequence generation
• Frequency division circuits
• Event counting applications

Counter Dividers Procurement Notes

Verify the component authenticity against official Texas Instruments documentation. Confirm the specific package type matches the 20-LCCC specification. Ensure the temperature rating aligns with the required -55 to 125 degrees Celsius operational range. Check for compliance with relevant export control classifications such as EAR99. Validate that the device meets the necessary military or industrial standards if applicable.

Counter Dividers Selection Notes

Select this component when a synchronous 4-bit binary counter is required for harsh environments. The wide temperature range makes it suitable for industrial applications. Consider the 20-lead LCCC package for surface mount assembly needs. Evaluate the 21 MHz maximum frequency against system timing requirements. Ensure compatibility with existing CMOS logic families in the design.

Counter Dividers Part Context

This part belongs to the HC/UH series of high-speed CMOS logic devices from Texas Instruments. It is designed for robust performance in demanding electronic applications. The family offers standard logic functionality with enhanced speed capabilities. The SNJ prefix indicates a specific military-grade or specialized variant within the broader product line.

Counter Dividers Replacement Considerations

Consult official Texas Instruments substitution guides for verified alternatives. Cross-reference specifications such as package dimensions and electrical parameters. Ensure any substitute maintains the same synchronous counting functionality and temperature range.