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Under 100-150 kHz Read/Write

Low frequency Microchip IDIC® (IDentification IC) devices integrate components to reduce your bill of materials. A single coil, connected to the chip, serves as the power supply and bi-directional communication interface, while the antenna and chip together form the transponder (tag). An on-chip EEPROM can be read and written block-wise from the reader.

Device Description
ATA5577M1C Read/Write LF RFID IDIC 100 to 150kHz
ATA5577M2C Read/Write LF RFID IDIC 100 to 150kHz with Gold-Bumped Mega Pads