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CONTACT SMART CARDS

CONTACT SMART CARDS

 Introduction

Contact smart cards are a type of integrated circuit card that has gained widespread popularity due to their versatility and security features. These cards have become an integral part of our daily lives, used in various applications, including identification, payment systems, access control, and more. In this article, we will explore the world of contact smart cards, examining their components, functioning, applications, and the advantages they offer.


Components of Contact Smart Cards

  • Integrated Circuit (IC) Chip: The heart of a contact smart card, the IC chip, contains the card's memory and processing unit. It stores data and performs various cryptographic functions to ensure data security.
  • Copper Contacts: Contact smart cards have metal contacts embedded in the card's surface, which connect to card readers through physical contact. These contacts are essential for data exchange.
  • Plastic Card Body: The card body is typically made of durable plastic material, protecting the IC chip and contacts. This body can be further customized for branding and security purposes.


How Contact Smart Cards Work

  • Card Insertion: To use a contact smart card, it must be inserted into a card reader or terminal. The metal contacts on the card establish an electrical connection with the reader.
  • Data Transfer: When the card is inserted, the card reader can communicate with the IC chip, sending and receiving data. This data can include personal information, financial data, or authentication codes.
  • Security Measures: Contact smart cards are known for their high level of security. They employ encryption and authentication protocols to protect the data they store and transmit.
  • Card Removal: Once the transaction or operation is complete, the user can safely remove the card. The card reader ceases communication with the card, making it secure and ready for future use.


Applications of Contact Smart Cards

  • Payment Systems: Credit and debit cards with contact smart chips are widely used for secure transactions at ATMs and point-of-sale terminals.
  • Identification: Contact smart cards are used in national ID cards, driver's licenses, and employee ID badges to verify identity.
  • Access Control: Many organizations use contact smart cards for secure access to buildings, secure areas, and computer systems.
  • Healthcare: Patient ID and health insurance cards use contact smart card technology for quick and secure access to medical records.
  • Transportation: Contact smart cards, such as transit cards, are used for ticketing and access control in public transportation systems.
  • Government Services: Many governments issue contact smart cards for services like e-passports, social benefits, and voting.


Advantages of Contact Smart Cards

  • Security: Contact smart cards provide a high level of security through encryption and authentication, making them suitable for sensitive applications.
  • Versatility: They can be used in a wide range of applications, from payments to identification and access control.
  • Durability: The plastic card body protects the IC chip and contacts, ensuring a long lifespan.
  • Data Storage: These cards offer ample data storage capacity, which can be useful for multifunctional applications.
  • Speed: Data transfer through physical contact is fast and efficient, ensuring quick transactions.


Conclusion

Contact smart cards have become an integral part of our daily lives, providing secure and efficient solutions for a variety of applications. With their robust security measures and versatility, these cards continue to play a crucial role in an increasingly connected and digitized world.

contact smart cards

Infineon

Infineon Security Cryptocontroller

  • SLE78CFX Series – 8 – 12 KByte

Infineon Datacarrier IC

  • SLE 5532 / SLE 5542 – 256 Byte
  • SLE 4432 / SLE 4442 – 256 Byte
  • SLE 5518 / SLE 5528 – 1 KByte

Infineon Telecom IC

  • SLE 4436 – 221 bit
  • SLE 5536 – 237 bit
  • SLE 6636 – 237 bit
  • SLE 7736 – 237 bit


Atmel

Atmel CryptoMemory IC

 

  • AT88SC0204C – 256 Byte
  • AT88SC0404C – 512 Byte
  • AT88SC0808C – 1 KByte
  • AT88SC3216C – 4 KByte
  • AT88SC12816C – 16 KByte
  • AT88SC25616C – 32 KByte

Atmel Serial EEPROM IC

 

  • AT24C02 – 256 Byte
  • AT24C04 – 512 Byte
  • AT24C16 – 2 KByte
  • AT24C64 – 8 KByte
  • AT24C128 – 16 KByte
  • AT24C256 – 32 KByte

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