Applied Micro Circuits Corporation

Ampere Computing LLC

Ronen Cohan

Alfred Yeung

A decoupling capacitor circuit design facilitates high operational frequency without sacrificing area efficiency. In order to disassociate the sometimes opposing design criteria of high operational frequency and area efficiency, a p-channel field effect transistor (PFET) and an n-channel field effect transistor are connected in a half-cross-coupled (HCC) fashion. The HCC circuit is then supplemented by at least one area efficient capacitance (AEC) device. The half-cross-coupled transistors address the high frequency design requirement, while the AEC device(s) address the high area efficiency requirement. The design eliminates the undesirable trade-off between operating frequency and area efficiency inherent in some conventional DCAP designs.

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Sunnyvale, CA, United States of America

Ronen Cohan