A Atmel T5577 Proximity Card

The ATA5577 is a contactless read/write identification IC (IDIC®) for applications in the 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. A complete datasheet with further technical data is available on request. Please contact your local sales office.

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Atmel T5577 Proximity card

Atmel T5577(update version which downward compatible with T5567). This 125KHz read/write RFID from Atmel is very mature and widely used technology. The card have 330-bit EEPROM(10 blocks. 33bits each).

The Atmel T5577 proximity card is great solution for hotel key lock. access control. time attendance system.

About Atmel T5577 IC:
Key Feature of T5577 Card:

About Atmel T5577 IC:

– IC manufacturer: Atmel
– Wafer die: Atmel T5577
– Function: Read/Write protect by password
– Memory: 330-bit EEPROM(10 blocks. 33bits each)
– Frequency: 125KHz
– RF protocol: N/A
– Modulation: FSK. PSK. Manchester. Biphase. NRZ

Key Feature of T5577 Card:

– Dimensions: CR80 85.60 x 53.98mm
– Thickness: 0.84mm
– Material: PVC. PET
– Card Surface: Matte/ gloss finish
– Housing: Lamination
– Working Frequency: 125KHz
– Reading Distance: 6cm typically
– Data storage time: 10 years ”