A Transparent Logic Circuit for RFID Tag in a-IGZO TFT Technology

作者：Yang Byung Do^*; Oh Jae Mun; Kang Hyeong Ju; Park Sang Hee; Hwang Chi Sun; Ryu Min Ki; Pi Jae Eun

来源：ETRI Journal, 2013, 35(4): 610-616.

DOI：10.4218/etrij.13.1912.0004

• a-IGZO
• RFID
• thin-film transistor
• transparent

This paper proposes a transparent logic circuit for radio frequency identification (RFID) tags in amorphous indium-gallium-zinc-oxide (a-IGZO) thin-film transistor (TFT) technology. The RFID logic circuit generates 16-bit code programmed in read-only memory. All circuits are implemented in a pseudo-CMOS logic style using transparent a-IGZO TFTs. The transmittance degradation due to the transparent RFID logic chip is 2.5% to 8% in a 300-nm to 800-nm wavelength. The RFID logic chip generates Manchester-encoded 16-bit data with a 3.2-kHz clock frequency and consumes 170 mu W at V-DD=6 V. It employs 222 transistors and occupies a chip area of 5.85 mm(2).

• 出版日期2013-8