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Seiko Epson tips flexible processor via TFT technology

Posted: 10 Feb 2005 ?? ?Print Version ?Bookmark and Share

Keywords:asynchronous microprocessor? 8bit? tft? act11? processor?

At the International Solid-State Circuits Conference (ISSCC) here, Japan's Seiko Epson Corp. presented a paper on a flexible, 8bit asynchronous microprocessor, based on a low-temperature, poly-silicon TFT technology.

The ACT11 processor is aimed at the emerging flexible microelectronics market. Flexible microelectronics is expected to become a platform for developing thin, low-power emissive devices.

The ACT11 is a flexible, 32,000-transistor device, which measures 27- x 24- x 0.2-mm and weighs just 140mg. The two-metal-layer product features an 8bit-wide channel, with 608 instructions, 16MB of addressing space, and four interrupt sources.

The processor runs from 30kHz to 500kHz and operates from 3.5-to-7 Volts. It consists of 80 I/O pins.

It is manufactured by using a low-temperature TFT and surface-free process by laser annealing and ablation techniques. The company refers to its manufacturing technology as SUFTLA. Using this technology, a device is manufactured and then lifted off the glass substrate for transfer to a plastic substrate.

- Mark LaPedus

Silicon Strategies

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