ETRI Journal

  • 제35권4호
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  • Pages.610-616
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  • 2013
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  • 1225-6463(pISSN)
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  • 2233-7326(eISSN)
한국전자통신연구원 (Electronics and Telecommunications Research Institute)
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A Transparent Logic Circuit for RFID Tag in a-IGZO TFT Technology

  • Yang, Byung-Do (Department of Electronics Engineering, Chungbuk National University) ;
  • Oh, Jae-Mun (Department of Electronics Engineering, Chungbuk National University) ;
  • Kang, Hyeong-Ju (School of Computer Science & Engineering, Korea University of Technology and Education) ;
  • Park, Sang-Hee (Components & Materials Research Laboratory, ETRI) ;
  • Hwang, Chi-Sun (Components & Materials Research Laboratory, ETRI) ;
  • Ryu, Min Ki (Components & Materials Research Laboratory, ETRI) ;
  • Pi, Jae-Eun (Components & Materials Research Laboratory, ETRI)
  • 투고 : 2012.11.28
  • 심사 : 2013.03.05
  • 발행 : 2013.08.01
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⟨ 이전 논문 다음 논문 ⟩

초록

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 $mm^2$.

키워드

참고문헌

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