CD74HC123EE4

Multivibrators Overview

The CD74HC123EE4 is a high-speed CMOS dual retriggerable monostable multivibrator with resets, manufactured by Texas Instruments. It operates within a supply voltage range of 2V to 6V and supports an operating temperature range from -55°C to 125°C. The device features Schmitt triggers on both A and B inputs for noise immunity and provides separate reset controls. It includes buffered Q and Q outputs and allows pulse width adjustment via external resistor and capacitor components.

Multivibrators Feature Summary

• Dual retriggerable monostable multivibrators with independent reset functionality
• Schmitt trigger inputs on both A and B channels for enhanced noise immunity
• Wide operating voltage range supporting 2V to 6V operation
• Buffered Q and Q outputs available for signal driving

Multivibrators Applications

• Pulse generation and timing circuits
• Debouncing switches or contacts
• Frequency division applications
• Timing delay generation

Multivibrators Procurement Notes

Verify the component status as active production in official documentation before procurement. Confirm the package type matches the required PCB footprint. Ensure compliance with RoHS standards and lead finish specifications. Check moisture sensitivity levels for storage and handling requirements. Validate that the ordering suffix corresponds to the desired packaging configuration.

Multivibrators Selection Notes

Select this component when dual monostable functionality with Schmitt trigger inputs is required. Consider the HC series for wide voltage operation between 2V and 6V. Verify compatibility with system logic levels and output drive requirements. Evaluate thermal performance based on the PDIP package characteristics. Ensure external timing components meet minimum resistance and capacitance values.

Multivibrators Part Context

This part belongs to the CD74HC123 family of high-speed CMOS logic devices. It is functionally similar to other variants like CD74HC123E but differs in packaging. The EE4 suffix indicates a specific environmental and manufacturing configuration within the standard catalog line. It serves as a dual-channel timing solution within the broader 74HC logic ecosystem.

Multivibrators Replacement Considerations

Direct substitutes include CD74HC123E and CD74HC123M96. Verify pinout compatibility and electrical specifications match the original design requirements. Ensure the replacement maintains the same logic family characteristics and operating temperature range.