CD74HC390EG4

Counter Dividers Overview

The CD74HC390EG4 is a high-speed CMOS logic dual decade ripple counter manufactured by Texas Instruments. It integrates two independent decade counters within a single 16-pin PDIP package, designed for asynchronous counting applications. The device operates on a unidirectional up-counting sequence and features an asynchronous reset mechanism. It utilizes negative-edge triggering for clock inputs and supports a supply voltage range of 2V to 6V. The component is rated for operation across an extended temperature range from -55°C to +125°C.

Counter Dividers Feature Summary

• Integrates two independent decade counters in a single package
• Supports divide-by-2 and divide-by-5 frequency division functions
• Features asynchronous reset capability for immediate state clearing

Counter Dividers Applications

• Digital frequency division circuits
• Asynchronous binary or decimal counting systems
• Timing and sequencing logic control

Counter Dividers Procurement Notes

Verify the presence of the 'G4' suffix to confirm lead-free compliance and RoHS standards. Ensure the ordering code matches the specific PDIP-16 package variant. Cross-reference the manufacturer part number with official Texas Instruments documentation to validate authenticity and current production status before procurement.

Counter Dividers Selection Notes

Select this component when dual independent decade counters are required in a through-hole DIP format. It serves as a suitable alternative to standard 74HC390 devices where lead-free manufacturing processes are mandated. Consider the 2V to 6V operating voltage range for compatibility with various logic families.

Counter Dividers Part Context

This component belongs to the Texas Instruments 74HC series of high-speed CMOS logic devices. The 74HC family offers switching speeds comparable to Low-power Schottky TTL (LSTTL) while maintaining significantly lower power consumption typical of standard CMOS technology. The EG4 designation indicates a specific environmental and packaging configuration within this product line.

Counter Dividers Replacement Considerations

CD74HC390E