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Epson develops flexible 8-bit asynchronous microprocessor

Seiko Epson developed the new flexible 8-bit asynchronous microprocessor using low-temperature polysilicon thin-film transistors (LTPS-TFTs) on a plastic substrate. It has energy consumption reduced by 70% compared to the existing synchronous microprocessors. The combination of Epson´s SUFTLA technology, LTPS-TFTs technology, and asynchronous circuit design technology allowed to create stable displays that are large in size, and that use substrates that are both flexible and variable in shape. SUFTLA is an Epson developed technique that makes it possible to transfer LTPS-TFT circuits onto flexible substrates. In the current project, Epson is aiming to build on its traditional strengths to firmly establish the field of flexible microelectronics technology.

Features:

  • Circuit size: 32,000 transistors (LTPS TFT)
  • Gate length: 4Ám
  • Compatibility with the Epson original S1C88 8-bit microcomputer series
  • External dimensions: 27x 24mm
  • Thickness: 200Ám
  • Weight: 140 mg
  • Range of operating voltage: 3.5-7 V
  • Maximum frequency: 5V, 500 kHz
  • Consumption current: 180A (at 5V, 500KHz)

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