Title :
Technology exploration for adaptive power and frequency scaling in 90nm CMOS
Author :
Meijer, Maurice ; Pessolano, Francesco ; De Gyvez, José Pineda
Author_Institution :
Philips Res. Labs., Eindhoven, Netherlands
Abstract :
In this paper we examine the expectations and limitations of design technologies such as adaptive voltage scaling (AVS) and adaptive body biasing (ABB) in a modem deep sub-micron process. To serve this purpose, a set of ring oscillators was fabricated in a 90nm triple-well CMOS technology. The analysis hereby presented is based on two ring oscillators running at 822MHz and 93MHz, respectively. Measurement results indicate that it is possible to reach 13.8× power savings by 3.4× frequency downscaling using AVS, ±11% power and ±8% frequency tuning at nominal conditions using ABB only, 22× power savings with 5× frequency downscaling by combining AVS and ABB, as well as 22× leakage reduction.
Keywords :
CMOS integrated circuits; UHF oscillators; VHF oscillators; integrated circuit design; leakage currents; low-power electronics; nanoelectronics; voltage-controlled oscillators; 822 MHz; 90 nm; 93 MHz; adaptive body biasing; adaptive frequency scaling; adaptive power scaling; adaptive voltage scaling; deep submicron process; design technology exploration; frequency downscaling; leakage reduction; performance compensation; performance optimization; power savings; ring oscillators; triple-well CMOS technology; CMOS technology; Energy consumption; Frequency measurement; Modems; Power measurement; Power supplies; Ring oscillators; Tuning; Very large scale integration; Voltage;
Conference_Titel :
Low Power Electronics and Design, 2004. ISLPED '04. Proceedings of the 2004 International Symposium on
Print_ISBN :
1-58113-929-2
DOI :
10.1109/LPE.2004.1349300
