CD74HCT153M

Overview

The CD74HCT153M is a dual 4-input multiplexer manufactured by Texas Instruments, belonging to the 74HCT logic series. It integrates two independent 4-to-1 data selectors within a single 16-pin SOIC package. The device operates on a single power supply ranging from 4.5V to 5.5V and supports an extended industrial temperature range of -55°C to 125°C. Each multiplexer provides high-level output current of 4mA and low-level output current of 4mA. The component utilizes silicon gate CMOS technology for standard CMOS low power consumption while maintaining speeds comparable to LSTTL.

Feature Summary

• Integrates two independent 4-to-1 multiplexing circuits in a compact surface-mount package
• Provides TTL-compatible input levels through HCT logic family design
• Supports wide operating voltage range suitable for standard digital systems
• Features robust output drive capability with symmetric high and low currents

Applications

• Data routing in digital communication systems
• Address decoding for memory selection
• Signal switching in test and measurement equipment
• Input selection for microcontroller peripheral interfaces

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS3 compliance status as indicated in official documentation. Check for End-of-Life notices, as production status may have changed. Ensure packaging type matches design requirements, noting that tube packaging is standard for this specific suffix. Validate part markings against official datasheet specifications to prevent counterfeit infiltration.

Selection Notes

Select this component when dual independent 4-to-1 multiplexing is required in space-constrained designs. The HCT series ensures compatibility with TTL-driven logic families without level shifting. Consider the 16-SOIC package dimensions for PCB layout constraints. Verify thermal management needs given the extended temperature range capabilities. Compare against HC series variants if lower power consumption is prioritized over switching speed.

Part Context

This device is part of the broader 74HCT logic family, designed to bridge CMOS technology with TTL system requirements. The 74HCT153 specifically addresses applications requiring multiple signal paths to be managed within a single integrated circuit. Its dual configuration reduces board space compared to using separate single multiplexer chips. The SOIC package variant offers automated assembly advantages over through-hole alternatives.

Replacement Considerations

CD74HCT153M96 and CD74HCT153MT are parameter-equivalent alternatives from Texas Instruments. Verify pinout compatibility and electrical characteristics before substitution. Check package variations between SOIC and other form factors if physical mounting differs.