74HC151 (8-input Multiplexer)

Overview

The 74HC151 is a high-speed 8-input digital multiplexer that selects one of eight data sources based on a 3-bit binary address. This versatile IC is a fundamental building block for digital logic design, data routing, and signal selection in a wide range of electronic projects. Manufactured with advanced silicon-gate CMOS technology, it delivers the low power consumption of CMOS with the speed and drive capability of LSTTL.

Key Features

• 8-input multiplexer: Selects one of eight binary inputs (D0–D7)
• 3 binary control inputs: A, B, C for address selection
• Active-low enable input (E): Simplifies cascading and system control
• Complementary outputs: Both inverting (Y) and non-inverting (W) outputs available
• Wide supply voltage range: Operates from 2V to 6V
• High-speed operation: Propagation delay as low as 29 ns at 6V
• Low power consumption: CMOS technology ensures minimal power usage
• Standard DIP-16 package: Easy to use on breadboards and PCBs
• Broad temperature range: -40°C to +125°C for industrial applications

Technical Specifications

• Package: DIP-16
• Number of Pins: 16
• Number of Inputs: 8 data inputs, 3 select inputs, 1 enable input
• Output Current: 5.2 mA at 6V
• Supply Voltage Range: 2V to 6V
• Propagation Delay Time: 170 ns at 2V, 29 ns at 6V
• Operating Temperature Range: -40°C to +125°C

Applications & Use Cases

• Data routing: Direct multiple digital signals to a single destination
• Digital logic design: Implement Boolean functions and combinational circuits
• Microcontroller I/O expansion: Read multiple sensors or switches with fewer pins
• Signal multiplexing: Combine multiple serial or parallel data streams
• Educational projects: Teach multiplexing concepts in electronics labs
• Communication systems: Select between different data sources or channels

What's Included

• 1x 74HC151 8-input Multiplexer IC (DIP-16)

Compatibility

• Logic families: Compatible with 74HC, 74HCT, and other 5V logic families
• Microcontrollers: Works with Arduino, Raspberry Pi, ESP32, PIC, and other MCUs (ensure voltage levels match)
• Breadboards: Standard 0.1" pin spacing fits all standard breadboards

MOKWN Recommendation

Whether you're a student learning digital electronics or a professional engineer designing complex systems, the 74HC151 is a reliable and cost-effective solution for your multiplexing needs. Its wide voltage range and high-speed performance make it a go-to choice for projects requiring efficient data selection. Add it to your kit today and simplify your circuit designs!