Abstract
Printed organic thin-film transistor (OTFT) technology has the potential to enable ubiquitous, inexpensive, flexible electronic systems. Realization of this vision requires circuit design techniques sensitive to the constraints of the technology, as well as integration with components such as memory, sensors, and displays. The OTFT fabrication process is much less mature than silicon technologies, and direct implementation of conventional complementary designs is challenging due to the relatively low yield, high variability, and drift instability of printed OTFTs. Here we demonstrate an OTFT-specific approach to design with a pulse generator circuit for writing non-volatile thin-film ferroelectric (FE) memory. The approach takes into account the constraints of existing OTFT processes and can be extended to other circuits. The new circuit, and a more conventional complementary pulse-generator, are designed, fabricated, and tested in an additive ink-jet OTFT process.
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