A 1GHz/0.9mW CMOS/SIMOX Divide-by 128/129 Dual-Modulus Prescaler Using a Divide-by 2/3 Synchronous Counter

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This paper presents an extremely low-power CMOS / SIMOX divide-by-128 / 129 dual-modulus prescaler. While operating at up to 1 GHz and dissipating merely 0.9 mW at a supply voltage of 1 V, it is capable of 2-GHz performance with dissipation of 7.2 mW at 2 V. This superior performance is primarily achieved by using an advanced ultrathin-film CMOS / SIMOX process technology combined with a new circuit configuration that uses a divide-by-2 / 3 synchronous counter. Using these same technologies, a single-chip CMOS PLL LSI that uses the developed prescaler is also fabricated. This CMOS PLL LSI can operate at up to 2 GHz while dissipating only 8.4 mW at a supply votage of 2 V. Even at a lower supply voltage of .2 V, 1-GHz operation can be obtained with a corresponding power consumption of merely 1.4 mW. These results indicate that the high-speed and very-low-power features of CMOS / SIMOX technology could have an important impact on the development of future personal communication systems.
社団法人電子情報通信学会の論文
1993-05-25