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Overview

T5557/5567/T5577 Chip is one of the most common low frequency chip, which has many applications such as Ticketing, Automotive Immobilizer with rolling code, High Security Hands Free Access Control, Industrial automation with portable database, Manufacturing automation, Prepayment Devices, etc…

General Description:

The ATA5577 is a contactless R/W IDentification IC (IDIC) for applications in the 125-kHz frequency range. 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, 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, Coil1 and Coil2. The IC receives and decodes serial base station commands(downlink),which are encoded as 100% amplitude modulated(OOK)pulse-interval-encoded bit streams.

Technical Features:

  • Contactless Read/Write Data Transmission
  • Radio Frequency fRF from 100kHz to 150kHz
  • Replacement for Atmel e5551/T5551 in most common operation modes
  • Compatible with Atmel T5557,ATA5567
  • Configurable for ISO/IEC 11784/785 compatibility
  • Total 363 bits EEPROM memory:11 blocks(32 bits + 1 lock bit)
  • High Q-antenna tolerance due to build in options
  • Adaptable to different applications:access control,animal ID and waste management
  • On-chip trimmed antenna capacitor
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Ordering Information

Delivery Terms

  • <10K pcs: Within 3-4 working days
  • <100K pcs: Within 6-7 working days
  • <1KK pcs: Within 15 working days.
  • >1KK pcs: On request

Payment Terms

  • TT in advance or LC
  • Others on requested

Why buy from us ?

  • You can get our reply within 12 hours at most time
  • Unsurpassable competitive price
  • Large quantity inventory always
  • Strong at customization on request
  • Experience and expertise
  • Fast delivery and strong package

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