Atmel AT24C02 Card

Descripción

The AT24C02 is a 2048-bit serial EEPROM organised into 256 words of 8 bits, designed for low-power industrial and commercial applications such as electricity meter cards, hotel key cards, and access control systems. It features a two-wire I²C interface for easy integration with microcontrollers and is available in multiple compact packages to meet space- and power-sensitive needs.

Key Features 

2048-bit EEPROM memory organised as 256 words of 8 bits

Two-wire I²C serial communication interface

Ultra-low power consumption, suitable for battery-operated devices

1,000,000 write cycles and >25 years data retention

Available package options: 8-lead PDIP, JEDEC SOIC, MAP, 5-lead SOT23, 8-lead TSSOP, 8-ball dBGA2

Standard CR80 card size (86×54mm) with PVC, PET, PET-G, or PC materials

Why Choose the AT24C02 EEPROM?

Ideal for battery-powered applications.
Supports >1,000,000 write cycles and >25 years of data retention.
Available in multiple package types for various design requirements.
Used in metering, access control, hotel key cards, and public transportation cards.

Application Areas

Electricity Meter Cards

Water Meter Cards

Gas Meter Cards

Membership Cards

Hotel Key Cards

Fuel Cards

Access Control Cards

Public Transportation Cards

Technical Specifications

Frequently Asked Questions (FAQs)

Q: What applications can use the AT24C02 EEPROM?
A: The AT24C02 is commonly used in metering cards, access control systems, hotel keycards, membership cards, and transportation cards.

Q: Can I customise the AT24C02 EEPROM for my project?
A: Yes, we offer custom memory configurations and different package options.

Q: What is the write cycle endurance of this EEPROM?
A: The AT24C02 offers >1,000,000 write cycles, ensuring long-term reliability.