ATA5577 Card From Atmel Company Temic T5577 Card

ATA5577 Card From Atmel Company Temic T5577 Card


ATA5577 is a contactless read/ write identification IC (IDIC) for applications in 125-kHz or 134-kHz frequency band. A single coil connected to the chip serves as the IC’s power supply and bi-directional communication interface. The antenna and chip together form a transponder, or tag. The on-chip 363-bit EEPROM (11 blocks with 33 bits each) can be read and written block-wise from a base station (reader). Data is transmitted from the IDIC (uplink) using load modulation. This is achieved by damping the RF field with a resistive load between the two terminals Coil 1 and Coil 2. The IC receives and decodes serial base station commands (downlink) which are encoded as 100% amplitude modulated (OOK) pulse-interval-encoded bit streams.

Full revision datasheet with enhanced data is available: Datasheet.


  •  High Performance IDIC® (Extended Read/Write Distance)
  • Contactless Power Supply
  • Contactless Read/Write Data Transmission
  • Radio Frequency fRF from 100 kHz to 150 kHz
  • Basic Mode or Extended Mode
  • Compatible with E5551/T5551, T5557, ATA5567
  • Configurable for ISO/IEC 11784/785 Animal and Waste Standards Compatibility
  • Total 363 Bits EEPROM Memory: 11 Blocks (32 Bits + 1 Lock Bit)
  • On Chip Trimmed Capacitor
  • High Q-antenna Tolerance Due to Build in Options


  • Hotel Key Card
  • Access Control
  • Time Attendance
  • Animal Identification 
  • Waste management standard (BDE)
  • Programming to EM(Manchester) format or any other format customized

Shop from our shop: ATA5577 


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