CD74HC123E

Multivibrators Overview

The CD74HC123E is a dual retriggerable monostable multivibrator manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and features a propagation delay of 25 ns. The device provides output drive currents of 5.2 mA for both high and low states. It is housed in a 16-pin SOIC package with an operating temperature range from -55°C to 125°C.

Multivibrators Feature Summary

• Dual retriggerable monostable multivibrator configuration
• High-speed CMOS technology compatible with LSTTL logic levels
• Direct reset capability to terminate output pulses
• Schmitt trigger inputs on nA and nB terminals

Multivibrators Applications

• Pulse generation circuits
• Timing delays
• Frequency division
• Waveform shaping

Multivibrators Procurement Notes

Verify the specific suffix 'E' against manufacturer documentation, as it may indicate a specific tape-and-reel packaging format or regional variant distinct from standard tube packaging. Confirm RoHS compliance status and current production lifecycle stage directly with Texas Instruments or authorized distributors before procurement.

Multivibrators Selection Notes

Select this component when a dual-channel monostable solution is required with Schmitt trigger inputs for noise immunity. Ensure the application voltage remains within the 2 V to 6 V range. Consider the 16-SOIC package constraints for PCB layout and verify thermal requirements for the specified industrial temperature range.

Multivibrators Part Context

This part belongs to the 74HC series of high-speed CMOS logic devices. It is functionally equivalent to other 74HC123 variants but distinguished by its specific package and manufacturing revision. The device is designed to replace older LSTTL monostables while offering lower power consumption.

Multivibrators Replacement Considerations

CD74HC123M96 is a confirmed direct substitute available from Texas Instruments.