Benchmarking organic thin film transistor inverter design styles

Zhuozhi Yao, Ting Jung Chang, David Wentzlaff, Barry P. Rand

Research output: Contribution to journalArticlepeer-review

Abstract

Organic thin-film transistors (OTFTs) are a promising technology for large-area electronics; choosing an appropriate circuit style is critical to enhancing OTFT circuit functionality and reliability. Here, we design and evaluate different types of static and dynamic logic based on complementary and p-type only technology styles, benchmarking their performance under equivalent processing and testing conditions. We find that differences in off characteristics between n-type and p-type OTFTs to be the primary factor for the choice of logic style. For complementary technology, we conclude that static logic is preferred over dynamic logic considering limited n-type transistor off characteristics, integration density, and delay. In the case of p-type transistors, pre-discharge dynamic logic is preferred over static logic, primarily due to the static power efficiency from good p-type transistor off characteristics. We expect this evaluation to be helpful for assisting design style decisions as these technologies continue to mature and develop.

Original languageEnglish (US)
Article number116825
JournalSynthetic Metals
Volume278
DOIs
StatePublished - Aug 2021

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Keywords

  • Benchmark
  • Dynamic
  • Inverter
  • Off characteristics
  • OTFT

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