Integrated Regulation for Energy-Efficient Digital Circuits
Alon, E.
Horowitz, M.
Univ. of California, Berkeley;
This paper appears in: Custom Integrated Circuits Conference, 2007. CICC '07. IEEE
Publication Date: 16-19 Sept. 2007
On page(s): 389-392
Location: San Jose, CA,
ISBN: 978-1-4244-1623-3
INSPEC Accession Number: 9803854
Digital Object Identifier: 10.1109/CICC.2007.4405759
Current Version Published: 2008-01-21
Abstract
Linear regulation can reduce the effective supply impedance of digital circuits without increasing their total power dissipation. This can be achieved with a push-pull regulator topology that uses a second, higher-than-nominal supply, comparator-based feedback, and a switched-source follower output stage. Measured results from a 65 nm SOI test-chip verify that by using these techniques, regulation reduces supply noise by ~30% while also enabling a slight decrease (~1.4%) in total power.
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