Symbol

74HC4051

8-channel analog multiplexer — high-speed CMOS version

⚡ Install this symbol

Paste this into Claude Code (VS Code panel, Adom editor, or terminal) to install:

Search the Adom Wiki for the symbol "74HC4051" (slug: sym-74hc4051) at https://wiki-ufypy5dpx93o.adom.cloud/wiki/symbols/sym-74hc4051. Download the .kicad_sym file from the wiki page's static assets. Add it to my current KiCad project's symbols/ directory and register in sym-lib-table.
Category Analog Switch
Library 74xx
Symbol 74HC4051
Pins 16
Package DIP-16 / TSSOP-16
Schematic Symbol

AI Skill Technical Reference

Edit AI Skill

74HC4051

Symbol: 74HC4051 Library: 74xx Category: Analog Switch Pins: 16 Package: DIP-16 / TSSOP-16

Description

The 74HC4051 is an 8-channel analog multiplexer/demultiplexer — the HC-series upgrade of the CD4051 with faster switching and lower on-resistance (80 ohm typ). Used in audio switching, sensor arrays, and test equipment. DIP-16 / TSSOP-16.

KiCad Library Reference

This symbol is from the official KiCad 74xx library. Full identifier: 74xx:74HC4051

To use in your project:

  1. Open the Symbol Library Manager in KiCad
  2. Search for 74HC4051
  3. Place the symbol in your schematic

Sub-Skills
?
What are Sub-Skills?

Sub-skills are community-contributed AI skill extensions for this component. They teach AI assistants about specific tools, configurators, or workflows.

Examples:

  • A manufacturer’s configuration tool for a motor controller
  • A community-written design guide for an amplifier circuit
  • An automated test/validation script for a sensor module

How to add one: Click Add Sub-Skill, provide the URL to your skill and a brief description. Submissions are reviewed by the Adom team before going live.

No sub-skills yet. Be the first to contribute one!

0 revisions · KiCad Library: 74xx:74HC4051 · Updated 2026-03-02 17:31:36