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ATA5577C

Part Number	ATA5577C
Manufacturer	Microchip
Description	Read/Write LF RFID IDIC
Published	Jan 28, 2024
Detailed Description	ATA5577C ATA5577C – Read/Write LF RFID IDIC 100 kHz to 150 kHz Introduction The ATA5577C is a contactless read/write Ide...
Datasheet	ATA5577C PDF File

Overview

ATA5577C ATA5577C – Read/Write LF RFID IDIC 100 kHz to 150 kHz Introduction The ATA5577C is a contactless read/write Identification Integrated Chip (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 bidirectional communication interface.
The antenna and chip together form a transponder or tag.
The on-chip 363-bit EEPROM (11 blocks with 33 bits each) is read and written blockwise from a base station (reader).
Data are 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 de...

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