The AT24C04/08/16 series is a low-power I²C EEPROM with 4 KB, 8 KB, or 16 KB capacity, ideal for compact, battery-powered applications such as smart cards, meters, and access control systems. It offers high endurance and reliability for long-term use.
4/8/16KB EEPROM capacity selectable
I²C communication support for seamless integration with microcontrollers
Ultra-low power consumption and low-voltage operation
1 million write cycles, over 25 years of data retention
Available in 8-pin PDIP, JEDEC SOIC, and MAP packages
CR80 card standard size, available in various materials
The AT24C04/08/16 series is a low-power, I²C-compatible EEPROM memory solution offering capacities of 4 KB, 8 KB, or 16 KB. Organized in 8-bit word structures, it’s optimized for space-constrained and battery-powered applications such as meter cards, hotel key cards, and membership cards. Its compact packaging and high endurance make it ideal for long-term use in both industrial and commercial settings.
Why Choose the AT24C04/08/16 Serial EEPROM?
The AT24C04/08/16 is designed for low-power operations, making it suitable for battery-powered applications.
Available in small package sizes, it’s ideal for space-constrained applications.
The chip is designed for long-term reliability, with a lifespan exceeding 1,000,000 write cycles.
Choose between 4096 bits, 8192 bits, or 16384 bits of storage, depending on your application needs.
Commonly used in metering cards, membership cards, and access control systems.
Electricity Meter Card, Water Meter Card, Gas Meter Card, Membership Card, Hotel Key Card, Fuel Card, Access Control Card, Public Transportation Card, etc.
Application Areas
Electricity Meter Cards、Water Meter Cards、Gas Meter Cards、Membership Cards、Hotel Key Cards、Fuel Cards、Access Control Cards 、Public Transportation Cards.
FAQ
1. What are the main differences between AT24C04, AT24C08, and AT24C16? They differ in memory capacity — 4Kb, 8Kb, and 16Kb, respectively — while sharing the same I²C interface, low-power operation, and electrical characteristics.
2. What is the operating voltage range of the AT24C04/08/16 series? The devices typically operate from 1.7V to 5.5V, making them suitable for both 3V and 5V systems.
3. How many write cycles does the EEPROM support? Each memory cell can typically endure up to 1 million write cycles, ensuring long-term data reliability.
4. Is the AT24C04/08/16 compatible with standard I²C communication? Yes. It fully supports I²C-compatible serial communication, allowing easy integration with most microcontrollers and embedded systems.
5. What are common applications for the AT24C04/08/16 series? They are widely used in smart cards, utility meter cards, hotel key cards, membership cards, and other compact devices requiring secure, non-volatile data storage.
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