Install this component

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

Search the Adom Wiki for the library component "AT24C256" (slug: at24c256) at https://wiki-ufypy5dpx93o.adom.cloud/wiki/libraries/at24c256. Pull down the KiCad symbol, footprint, and 3D model files from the wiki page's assets. Install them into my current KiCad project and register in sym-lib-table and fp-lib-table. If the page has a datasheet URL, save that too.
Manufacturer Microchip
Package SOIC-8
Pins 8 pins (I2C, Config, Power)
LCSC C6574
Capacity 256Kbit (32KB)
Interface I2C (1MHz)
Endurance 1,000,000 cycles
Data Retention 100 years

Library View

Interactive symbol, footprint, and 3D model — hover pins for cross-highlighting.

SymbolGenerated Generated from pin data (not in KiCad standard library)
FootprintKiCad KiCad standard library: Package_SO/SOIC-8_3.9x4.9mm_P1.27mm
3DGenerated Generated pad visualization (Babylon.js)

Breakout Board

Auto-generated breakout molecule for AT24C256 — all pins brought to 2mm-pitch headers with 4 corner machine pins on 8mm grid.

Pricing & Availability

Specifications

Capacity256Kbit (32KB)
InterfaceI2C (1MHz)
Endurance1,000,000 cycles
Data Retention100 years
PackageSOIC-8

Pin Configuration

I2CConfigPower
PinNameGroupFunction
I2C — I2C interface
5SDAI2CI2C data
6SCLI2CI2C clock
Config — Address pins and write protect
1A0ConfigAddress select bit 0
2A1ConfigAddress select bit 1
3A2ConfigAddress select bit 2
7WPConfigWrite protect (active high)
Power — Supply and ground
4GNDPowerGround
8VCCPowerSupply voltage (1.7V-5.5V)

AI Skill Technical Reference

Edit AI Skill

AT24C256 — 256Kbit I2C EEPROM, SOIC-8

Manufacturer: Microchip Package: SOIC-8 LCSC: C6574

Description

The AT24C256 is a 256Kbit (32KB) serial EEPROM with I2C interface from Microchip. Features 1 million write cycles, 100-year data retention, and page write capability for storing configuration and calibration data.

Electrical Specifications

  • Capacity: 256Kbit (32KB)
  • Interface: I2C (1MHz)
  • Endurance: 1,000,000 cycles
  • Data Retention: 100 years
  • Package: SOIC-8

Pin Configuration

Package: SOIC-8

  • Pin 1: A0 — Address select bit 0
  • Pin 2: A1 — Address select bit 1
  • Pin 3: A2 — Address select bit 2
  • Pin 4: GND — Ground
  • Pin 5: SDA — I2C data
  • Pin 6: SCL — I2C clock
  • Pin 7: WP — Write protect (active high)
  • Pin 8: VCC — Supply voltage (1.7V-5.5V)

Sub-Skills
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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.

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0 revisions · Updated 2026-03-02 17:31:36