CD74HC4538NSR

Multivibrators Overview

The CD74HC4538NSR 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 supports an operating temperature range from -55 °C to +125 °C. The device features two independent circuits in a 16-pin SOIC package with a maximum static current of 0.008 mA. It provides standard output capability and includes separate reset inputs for precise timing control.

Multivibrators Feature Summary

• Dual retriggerable precision monostable multivibrators
• Separate reset inputs for each circuit
• Triggering from leading or trailing edge
• On-chip power-on reset

Multivibrators Applications

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

Multivibrators Procurement Notes

Verify the specific suffix NSR indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status as per the latest manufacturer documentation. Ensure the operating temperature range meets system requirements given the wide industrial specification. Cross-reference the datasheet revision to confirm pinout and electrical characteristics remain unchanged.

Multivibrators Selection Notes

Select this component for applications requiring dual independent timing channels with retriggerable functionality. The HC series offers compatibility with standard 74HC logic families. Consider the 16-SOIC package for surface-mount assembly. Verify input trigger polarity requirements against the specific application needs.

Multivibrators Part Context

This part belongs to the Texas Instruments 74HC logic family, known for high-speed CMOS performance. It is functionally compatible with other manufacturers' 74HC4538 devices. The device serves as a precision timing solution within digital logic systems, offering reliable operation across a wide voltage and temperature range.

Multivibrators Replacement Considerations

Direct substitutes include CD74HC4538M96 and CD74HC4538MT from Texas Instruments. Other manufacturers offer pin-compatible alternatives such as NXP's 74HC4538D. Verify package dimensions and electrical specifications before substitution.