Best Theratronics Ltd.

Steven McGARRY

Langis Roy

Behzad Yadegari

Low power non-volatile non-charge-based variable supply RFID tag memory devices and methods for reading and writing predetermined ID values for a RFID tag are described. The RFID tag memory device includes a reference/bias generator that receives and provides voltages and currents for write and read operations, a clocked comparator that provides a voltage comparison with a reference voltage, a shift register that receives a non-charge-based memory component value saved in the shift register, a memory cell that includes non-charge-based memory components to store corresponding predetermined ID values, a ring counter that provides ring signals to enable sequential writing and reading of the predetermined ID values to and from the memory cell, a write decision component that receives ring signals to enable the write operation, an output select/isolation component for reading and a read/write component to enable reading or writing the predetermined ID values in response to received ring signals.

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Ottawa, Canada

Steven McGARRY