The Contact IC Chip Card is a plastic card embedded with integrated circuit chips, and its shape and size follow international standards (ISO/IEC 7816, GB/T16649).
Chips generally use non-volatile memory (ROM, EEPROM), protection logic circuits, and even CPUs with microprocessors.
The principle of contact IC card
The principle of contact IC card obtaining working voltage:
Contact IC cards directly contact and connect the card’s integrated circuit with the external interface circuit through the metal electrode contacts on the surface, and the external interface circuit provides the power supply for the integrated circuit in the card.
The principle of data exchange between the contact IC card and reader:
The contact type IC card directly contacts and connects the card’s integrated circuit with the external interface circuit through the metal electrode contacts on the surface, and exchanges data (communication) with the reader through a serial method.
Classification and chip model of contact IC cards:
Non-encrypted memory card: The integrated circuit chip in the card is mainly EEPROM, which has data storage functions, but does not have data processing functions and hardware encryption functions.
Logic encryption memory card: An encryption logic circuit is added to the non-encrypted memory card. The encryption logic circuit protects the data in the card by verifying the password to see if it is open to external access, but it is only low-level security protection and cannot prevent malicious Sexual assault.
CPU card: also called smart card, the integrated circuit in the card contains the microprocessor CPU, storage unit (including random access memory RAM, program memory ROM (FLASH), user data memory EEPROM) and chip operating system COS. The CPU card equipped with COS is equivalent to a microcomputer, which not only has the function of data storage but also has the functions of command processing and data security protection.
Please select the corresponding chip according to the system you are using. If you are not sure which one to choose, please contact us.
| Contact IC Card Chips | |
| FM4442/ISSI4442 | FM4428/ISSI4428 |
| FM5528 | FM4406 |
| SLE5542 | SLE5528 |
| FM24C02/ISSI | FM24C08 |
| FM24C16 | FM24C64 |
| FM24C256 | FM24C512 |
| AT24C01 | AT24C02 |
| AT24C04 | AT24C16 |
| AT24C64 | AT24C256 |
| AT45DB041 | AT88SC102-09PT |
| AT88SC1608-09PT | AT88SC153-09PT |
| AT88SC0204C | AT88SC0808C |
| AT88SC1616C | AT88SC12816C |
| AT88SC25616C | AT93C46A |
The above models may not be fully displayed. If you need a chip other than the form, please contact us.
1. Storage capacity:
Magnetic cards can only store a few hundred bytes at most, and magnetic strips can also be used as a passive storage intermediary. IC cards can store 1M bytes, and the storage area can be divided, with different access levels.
2. Encryption
The magnetic card has no control circuit, so the internal data reading and writing cannot be safely controlled. The reading technology is also sequential and mechanical, while the IC card can control the circuit to read and write and erase its internal data. Reading technology is random.
3. Network dependence:
When the magnetic card is in use, it is necessary to ensure the extremely strong real-time performance between the terminal and the host. Once the host or network fails, the entire system will be paralyzed. The IC card can store a large amount of data and is controlled by a logic circuit. Completed independently by the terminal, completely getting rid of the terminal’s dependence on the network.
4. Service life:
Magnetic cards have a short service life, generally between two months and one year, while IC cards can last for more than ten years without artificial damage.
5. Anti-interference:
Magnetic cards are poor in anti-magnetic, anti-static, waterproof, etc., and magnetic strips cannot be wiped randomly, and IC cards are strong in these aspects, but the chip should be kept clean.
6. Anti-counterfeiting:
Magnetic cards are easy to forge, and the IC card itself has strong logical encryption so that the forgery rate is almost zero.
7. IC card reading and writing equipment is simpler and more reliable than magnetic card reading and writing equipment, with lower cost, easy promotion, and convenient maintenance.
Choose the Corresponding Printing Crafts.
LF 125Khz RFID Cards 
