SN74HC151NS

Overview

The SN74HC151NS is an 8-line to 1-line data selector/multiplexer from the Texas Instruments SN74HC series. It provides complete binary decoding to select one of eight data sources. The device operates with a supply voltage range of 2 V to 6 V and features low input current of 1 μA maximum. It includes a strobe (enable) input that forces the standard output low and the inverse output high when active. The component supports operation temperatures from -40°C to +85°C and is designed for surface-mount installation.

Feature Summary

• Provides complete binary decoding for selecting one of eight data inputs
• Includes a strobe input to disable outputs or force specific logic states
• Supports wide operating voltage range from 2 V to 6 V
• Features low power consumption with minimal input current

Applications

• Data selection and routing
• Demultiplexing operations
• Boolean function generation
• Parallel-to-serial conversion

Procurement Notes

Verify the package type matches the NS suffix, which typically denotes a plastic small-outline package variant. Confirm the specific revision level against the latest Texas Instruments datasheet to ensure compatibility with design requirements. Check for any recent product change notices regarding manufacturing location or material composition updates before finalizing procurement.

Selection Notes

Select this component for applications requiring an 8-channel multiplexer within the HC logic family. Ensure the system voltage falls within the 2 V to 6 V operational range. Consider the propagation delay characteristics relative to the system clock speed. Verify that the SOIC-Narrow or similar package footprint aligns with the PCB layout constraints.

Part Context

This part belongs to the SN74HC151 family of 8-to-1 line data selectors. It is part of the broader 74HC series of high-speed CMOS logic devices. The device serves as a fundamental building block for digital signal routing and control logic in various electronic systems.

Replacement Considerations

SN74HC151DR

FAQ

How does the strobe input affect the outputs?

When the strobe input is at a high logic level, it forces the standard output (Y) to a low state and the inverse output (W) to a high state, effectively disabling the selected data input.

What is the maximum input current for this device?

The maximum input current is specified as 1 μA, contributing to the device's low power consumption characteristics.