FD-SOI breakthrough boosts performance: Page 2 of 2

February 22, 2021 // By Nick Flaherty
Adaptive back-biasing (ABB) architecture for FD-SOI
CEA-Leti and Dolphin Design have developed a new approach to FD-SOI that boosts operating frequency by 450 percent with a 30 percent power reduction

“The performance of our ABB IP is state of the art and show the compensation of the variations across process-voltage-temperature (PVT) conditions on a representative number of samples, enabling the usage of this solution in industrial products,” said Andrea Bonzo, IP program manager at Dolphin Design.

“Previous efforts in this technique have reported only limited numbers of chips that perform as intended. With our technique, a large number of chips are shown to work properly. ABB is versatile and can be used to drive a large digital area without any limitation for any FD-SOI technology.”

With this new architecture, the ABB area is relatively small compared to the application design, and in both area and power it allows the application design to maintain its targeted frequency with a relatively low overhead.

www.leti-cea.com

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