MC74HC4538AFEL

Multivibrators Overview

The MC74HC4538AFEL is a dual precision monostable multivibrator manufactured by onsemi in the HC logic series. It operates within a supply voltage range of 3.0 V to 6.0 V and supports an operating temperature from -55°C to +125°C. The device features retriggerable and resettable functionality with conditioned trigger inputs allowing unlimited rise and fall times. It provides outputs directly interfacing to CMOS, NMOS, and TTL loads, with a maximum quiescent supply current of 130 µA at 6.0 V.

Multivibrators Feature Summary

• Dual precision monostable multivibrator with retriggerable and resettable operation
• Conditioned trigger inputs allow unlimited rise and fall times without restrictions
• Outputs directly interface to CMOS, NMOS, and TTL loads
• High noise immunity characteristic of CMOS devices

Multivibrators Applications

• Timing pulse generation
• Waveform shaping
• Delay circuits

Multivibrators Procurement Notes

Verify the specific ordering suffix AFEL corresponds to the SOEIAJ-16 package and tape and reel shipping configuration. Confirm RoHS compliance status for the specific lot as Pb-Free packages are available. Ensure the component meets JEDEC Standard No. 7A requirements if applicable to your system design constraints.

Multivibrators Selection Notes

Select this component when precise timing pulses independent of trigger width are required. It is suitable for applications needing direct interface with standard CMOS or TTL logic families. Consider the wide operating voltage range and high noise immunity for robust performance in varying electrical environments.

Multivibrators Part Context

This part belongs to the MC74HC4538A family of dual precision monostable multivibrators. It shares pinout compatibility with the MC14538B. The device utilizes advanced silicon-gate CMOS technology to achieve speeds comparable to low power Schottky TTL while retaining low power consumption characteristics.

Multivibrators Replacement Considerations

The MM74HC4538 is a pin-compatible alternative. Verify functional equivalence and parameter limits before substitution.