CD74HC4538M

Multivibrators Overview

The CD74HC4538M is a high-speed CMOS logic dual retriggerable precision monostable multivibrator manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and features a maximum static current of 8 uA. The device supports propagation delays of 250 ns, 50 ns, and 43 ns depending on conditions. It provides low-level output currents of 5.2 mA and high-level output currents of -5.2 mA. The component functions reliably across an operating temperature range from -55 C to +125 C.

Multivibrators Feature Summary

• Dual retriggerable precision monostable multivibrator architecture
• High-speed CMOS technology with Schmitt trigger inputs
• Wide power supply range compatibility

Multivibrators Applications

• Pulse generation circuits
• Timing delay applications
• Frequency division

Multivibrators Procurement Notes

Verify the specific suffix against official documentation to confirm package type and environmental compliance. Confirm RoHS status and moisture sensitivity level requirements for your assembly process. Check for obsolescence notices or product change notifications prior to finalizing procurement plans.

Multivibrators Selection Notes

Select this component when dual independent monostable circuits are required in a single package. Ensure the external timing resistor and capacitor values align with the desired pulse width equation. Verify that the input trigger signal polarity matches the available A or B transition inputs.

Multivibrators Part Context

This part belongs to the Texas Instruments HC series of logic integrated circuits. It is designed as a replacement for legacy monostable multivibrators while offering improved speed and lower power consumption characteristics typical of modern CMOS technology implementations.

Multivibrators Replacement Considerations

Public confirmed substitute part numbers include CD74HC4538MG4.