Atmel AT24C64 smart chip Card

The Atmel AT88SC0404C CryptoMemory chip offers 8 Kbits of user memory divided into four configurable 128-byte zones. Designed for secure data storage and authentication, it features advanced cryptographic protection and supports the ISO 7816 3 T=0 protocol, making it ideal for banking, access control, and IoT security applications.

8 Kbits of user memory, four independent configurable 128-byte zones

Supports zone combination, allowing the creation of one to four data files

Compliant with the ISO 7816-3 T=0 protocol, compatible with various card readers

Over 500,000 read/write cycles, with a lifespan exceeding 25 years

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

Description

The Atmel AT88SC0404C is a high-security, encrypted memory chip designed for applications requiring reliable data protection and authentication. It offers 8 Kbits of user memory, divided into four 128-byte configurable zones, allowing flexible organization of secure data for multiple functions or user groups.

Engineered with advanced encryption algorithms and hardware-based authentication, the AT88SC0404C ensures that stored data remains protected against unauthorized access or cloning. Each memory zone can be independently configured for read/write permissions, password protection, or mutual authentication, making it adaptable to a wide range of secure system architectures.

Compliant with the ISO/IEC 7816-3 T=0 protocol, this chip integrates seamlessly with smart card readers and microcontroller-based systems. Its low power consumption and compact design make it ideal for space-limited, battery-powered devices.

The AT88SC0404C is widely used in banking and financial cards, secure identification badges, hotel key cards, access control systems, and IoT authentication modules.

Why Choose the Atmel AT24C64 Card?

Secure by Design: Built with robust data protection and configurable access control, ensuring sensitive information stays safe in every operation.

Flexible Memory Architecture: Four customizable zones allow you to store and manage multiple data types or merge them for larger applications with ease.

Proven Longevity: With over 500,000 read/write cycles and a 25-year data retention, the chip is made for systems that demand long-term reliability.

Seamless Integration: Fully compliant with ISO/IEC 7816-3 T=0, the card communicates effortlessly with most smart card readers and controllers.

Trusted in the Field: Deployed globally across banking, access control, identification, and IoT applications, it delivers stability where security truly matters.

Product Parameters

Microchip AT24C32 / AT24C64 Card
Material PVC, PET, PET-G, PC
Size CR80 standard 86×54mm
Printing Blank Card, or Customized Printing
Thickness 0.81mm
Chip Microchip AT24C32 / AT24C64
Interface Contact only
Protocol ISO7816
EEPROM 32K / 64K bits
Function Read & Write
Compatible Chip Fudan FM24C32, FM24C64; ISSI GT24C32, GT24C64
Lifetime >1,000,000 read/write cycles, >100 years
Applications 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

Application Areas

Electricity Meter Cards

Water Meter Cards

Gas Meter Cards

Membership Cards

Hotel Key Cards

Fuel Cards

Access Control Cards

Public Transportation Cards

Application areas (2)

FAQ

1. What is the storage capacity of the Atmel AT24C64 card?
The AT24C64 offers 64 Kbits (8 KB) of EEPROM memory, ideal for storing secure user data, authentication keys, and access records in smart card applications.

2. Does the AT24C64 support the ISO/IEC 7816 communication standard?
Yes. It is fully compatible with the ISO/IEC 7816-3 T=0 protocol, allowing seamless communication with most smart card readers and embedded systems.

3. How reliable is the data storage over time?
The chip is rated for over 500,000 read/write cycles and ensures data retention for more than 25 years, making it suitable for long-term, mission-critical applications.

4. Can different sections of memory be configured for various purposes?
Absolutely. The AT24C64 features configurable memory zones, enabling developers to allocate sections for different data types or user access levels as needed.

5. What are the typical use cases for the AT24C64 card?
It is widely used in access control cards, prepaid utility cards, membership and loyalty programs, banking systems, and IoT devices that require secure, non-volatile storage.

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