T5557 is the Atmel company produces the multi-function non-contact identification of R/W integrated circuit, apply to 125KHz frequency range.

△Have a password Settings and write protected. Users can set reading way. anti-collision

△Built-in capacitance can mask choice, also can be outside distribution capacity.

△The only 64bit serial number, has the traceability.

△Read/write data transmission non-contact way

T5557 major upgrade replacement early E5550/5551 chip, now for T5567 upgrade replacement products, widely used in various forms of identification, such as traffic travel, health communication, education, entertainment and so on a variety of applications, such as hotel door lock card, health insurance card, campus id, enterprise/factory attendance card, Gas station Gas cards,dining cards, game cards, student achievement cards, phone cards, movie theaters cards, entertainment cards.

Technical Parameters:

Operating frequency: 100-150KHz

Protocol standards: ISO/IEC11784/11785

Memory capacity: 330bits, 10 partitions, 8bit passwords

224 can read and write EEPROM, divided into 7, 32bit each

Reading distance: 3-10cm

Endurance: > 100,000 times

Data Retention: 10 years

Size : ISO standard thin cards / thick cards / shaped cards

Packaging materials: PVC/ABS/PET/PETG

IC Working temperature: -40℃-+85℃

Typical Applications: Induction smart door locks, school / business card systems, access control,access systems,etc.