74HC154 (4-to-16 Decoder/Demultiplexer)

Overview

The 74HC154 is a high-speed 4-to-16 line decoder/demultiplexer from the 74HC series, designed to decode four binary inputs into sixteen mutually exclusive active-low outputs. This versatile IC is essential for address decoding in memory systems, multiplexing data lines, and expanding digital outputs in microcontroller projects. With its low power consumption (CMOS technology) and wide operating voltage range (2V to 6V), the 74HC154 is a reliable choice for both hobbyist and professional electronics applications.

Key Features

• 4-to-16 line decoding: Converts 4-bit binary input into one of 16 active-low outputs.
• Active-low outputs: Simplifies interfacing with active-low logic and LEDs.
• Two enable inputs: Both active-low, allowing for easy expansion (cascading) and control.
• Wide supply voltage range: Operates from 2V to 6V, compatible with 3.3V and 5V systems.
• Low power consumption: CMOS technology ensures minimal current draw.
• Standard DIP-24 package: Ideal for breadboarding and through-hole PCBs.

Technical Specifications

• Type: Decoder/Demultiplexer
• Circuits: 1
• Package / Case: 24-DIP (0.600", 15.24mm)
• Voltage - Supply: 2V ~ 6V
• Logic Family: 74HC
• Output Type: Active-low
• Operating Temperature: -40°C to +85°C (typical)

Applications & Use Cases

• Address decoding in memory and I/O systems.
• Output expansion for microcontrollers (e.g., control 16 LEDs with just 4 pins).
• Demultiplexing serial data to parallel outputs.
• Digital logic experiments in education and prototyping.
• Building large decoder trees by cascading multiple 74HC154s.

What's Included

• 1x 74HC154 4-to-16 Decoder/Demultiplexer IC (DIP-24 package)

Compatibility

• Works with Arduino, Raspberry Pi (with level shifting for 3.3V), STM32, and other 3.3V/5V logic systems.
• DIP package fits standard breadboards and IC sockets.
• Can be cascaded with other 74HC series ICs for expanded functionality.

MOKWN Recommendation

Whether you're building a memory decoder, a large LED matrix, or a digital logic trainer, the 74HC154 is a must-have in your component kit. Its robust design and easy-to-use DIP package make it perfect for both beginners and advanced makers. Stock up now at MOKWN and bring your digital projects to life!