CD74HCT4538M

Multivibrators Overview

The CD74HCT4538M is a dual retriggerable precision monostable multivibrator manufactured by Harris Corporation. It operates within a supply voltage range of 4.5 V to 5.5 V and features a maximum static current of 0.008 mA. The device provides a minimum pulse width of 16 ns and a maximum propagation delay of 55 ns at 4.5 V. It utilizes a 16-pin SOIC package with dimensions of 9.9 x 3.91 x 1.58 mm and supports an operating temperature range from -55 °C to +125 °C.

Multivibrators Feature Summary

• Dual retriggerable precision monostable multivibrator configuration
• Schmitt trigger inputs for noise immunity
• Compatible with low power Schottky TTL circuitry speeds

Multivibrators Applications

• Timing pulse generation
• Frequency division
• Pulse width modulation

Multivibrators Procurement Notes

Verify the manufacturer designation, as Texas Instruments typically produces this part number under the CD prefix. Confirm the HCT logic series compatibility with 5V systems. Ensure the SOIC-16 package matches the required footprint. Check RoHS compliance status against specific project requirements. Validate the operating temperature range for environmental suitability.

Multivibrators Selection Notes

Select this component for applications requiring precise timing pulses with high noise immunity. The HCT series ensures compatibility with standard 5V logic interfaces. Consider the retriggerable feature for extending output pulses during continuous triggering events. Evaluate the package size constraints against available board space.

Multivibrators Part Context

This component belongs to the 74HCT logic family, designed for high-speed operation with CMOS low power consumption. It is functionally similar to other monostable multivibrators in the 74HC and 74HCT families but optimized for 5V operation. The device serves as a fundamental building block for digital timing circuits.

Multivibrators Replacement Considerations

CD74HC4538M96