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Description

The AT24C02 is a compact, energy-efficient 2048-bit serial EEPROM contact card with a 256-word 8-bit organization. Designed for low-power industrial and commercial systems, it is widely used in electricity meter cards, hotel room cards, access control systems, and public transportation cards. The AT24C02 is durable, supporting over 1 million write cycles and providing over 25 years of data retention, ensuring stable performance even in harsh environments. It offers a variety of package options, including 8-pin PDIP, JEDEC SOIC, MAP, 5-pin SOT23, 8-pin TSSOP, and 8-ball dBGA2, providing OEMs and system integrators with flexible design choices. Cards made using this chip conform to the CR80 standard size (86×54mm) and can be manufactured using PVC, PET, PET-G, or PC materials to meet different durability and environmental requirements.

Key Features 

2048-bit EEPROM memory organized 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.