SN74HC153NSR

Overview

The SN74HC153NSR is a dual 4-line-to-1-line data selector/multiplexer manufactured by Texas Instruments. It belongs to the 74HC series of high-speed CMOS logic devices, designed for operation with a single power supply voltage ranging from 2V to 6V. The component features two independent multiplexers within a single package, each capable of selecting one of four data inputs based on address lines. It utilizes a 16-pin SOIC surface-mount package and supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Dual independent 4-to-1 multiplexer architecture
• High-speed CMOS technology compatible with standard logic families
• Wide single-supply voltage operational range
• Surface-mount packaging for automated assembly

Applications

• Data routing in digital communication systems
• Address decoding in memory architectures
• Signal selection in measurement instrumentation
• Input switching in microcontroller peripheral interfaces

Procurement Notes

Verify the specific suffix 'NSR' against the manufacturer's official documentation to confirm pinout compatibility and electrical specifications relative to other variants in the 74HC153 family. Ensure that the source provides explicit confirmation of the SOIC-16 package dimensions and lead finish details required for your PCB design constraints.

Selection Notes

Select this component when a dual multiplexer function is required in space-constrained designs utilizing surface-mount technology. Consider the 74HC series characteristics regarding speed and power consumption compared to legacy 74LS or 74HCT families. Verify that the input voltage levels are compatible with the driving logic sources within the specified 2V to 6V supply range.

Part Context

This device is part of the widely adopted 74HC logic family, known for its compatibility with TTL inputs while offering lower power consumption than older NMOS technologies. The 74HC153 specifically addresses applications requiring multiple signal paths to be managed efficiently within a compact footprint, serving as a fundamental building block in complex digital circuitry.

Replacement Considerations

Compatible substitutes include the SN74HC153DR (SOIC-16) and SN74HC153PWR (TSSOP-16) from Texas Instruments, provided the package outline differences are accommodated in the layout. Other manufacturers may offer equivalent parts under different part numbers, but verification of pin compatibility and electrical parameters is essential.