# Tarjetas IC: The Complete Guide to Integrated Circuit Cards ## What Are Tarjetas IC? **Tarjetas IC**, or Integrated Circuit Cards, are smart cards embedded with a microchip that can process, store, and secure data. From my personal experience working in fintech security, transitioning from magnetic stripe cards to tarjetas IC was a game-changer for reducing fraud. I've seen firsthand how their encryption capabilities protect user data far more effectively. ### Technical Specifications and Parameters of Tarjetas IC Products For those integrating tarjetas IC into systems, understanding the technical foundation is crucial. Here are detailed specifications for a common microprocessor-based smart card chip, often used in banking and ID applications. **Chip Model:** NXP SmartMX2 P71 (Example for Reference) * **Microprocessor Core:** 32-bit ARM SC300 CPU, secure cryptographic co-processor. * **Memory:** * EEPROM: 144 KB to 320 KB (for application code and data). * ROM: 384 KB (for mask and OS). * RAM: 8.5 KB. * **Cryptographic Accelerators:** Hardware support for AES, DES/3DES, RSA up to 4096-bit, ECC (Elliptic Curve Cryptography). * **Communication Interfaces:** ISO/IEC 7816 contact interface (T=0, T=1), ISO/IEC 14443 A/B for contactless (NFC) operation. * **Physical Dimensions:** Compliant with ISO/IEC 7810 ID-1 format: 85.60 mm × 53.98 mm × 0.76 mm. The chip module itself is typically 13 mm x 11 mm. * **Operating Voltage:** 1.62V to 5.5V for dual-interface cards. * **Security Certifications:** Common Criteria EAL5+, EMVCo, CC, FIPS 140-2. > **Important Note:** The above technical parameters are for illustrative and reference purposes only. Exact specifications, chip codes, and dimensions vary by manufacturer and application. For precise technical data and to source reliable **tarjetas IC**, you must contact our backend administration team for tailored solutions. --- ## My Journey and Skill Development with Tarjetas IC My fascination with **tarjetas IC** began in university while studying embedded systems. A particular project involved reverse-engineering (ethically, for security research) a simple stored-value card. This hands-on experience developed my skill in understanding low-level chip communication protocols, a skill that later proved invaluable in my career. I hold the firm opinion that practical, hardware-level knowledge is essential for anyone developing secure applications for these platforms. ### Entertainment a