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首页> 外文期刊>IEEE Transactions on Circuits and Systems. 1 >Folded source-coupled logic vs. CMOS static logic for low-noise mixed-signal ICs
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Folded source-coupled logic vs. CMOS static logic for low-noise mixed-signal ICs

机译:适用于低噪声混合信号IC的折叠式源极耦合逻辑与CMOS静态逻辑

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摘要

CMOS folded source-coupled logic (FSCL) uses a smaller logic voltage swing ( Delta V/sub L/ approximately=0.2 V/sub dd/) than conventional static logic and achieves a smaller power-delay product at high operating frequencies. By using current-steering techniques in fully-differential FSCL circuits to maintain a constant power supply current, digital switching noise is reduced by 30-300 times compared to conventional CMOS static logic. Measured results are presented for FSCL gates fabricated in a 2- mu m CMOS process, and simulated results with a standard 1- mu m process are used to compare the power, delay, and switching noise characteristics of FSCL and static logic with 5.0-, 3.3-, and 2.0-V power supplies.
机译:与传统的静态逻辑相比,CMOS折叠式源极耦合逻辑(FSCL)使用较小的逻辑电压摆幅(Delta V / sub L /大约= 0.2 V / sub dd /),并在高工作频率下实现了较小的功率延迟乘积。通过在全差分FSCL电路中使用电流控制技术来维持恒定的电源电流,与传统的CMOS静态逻辑相比,数字开关噪声可降低30-300倍。给出了在2微米CMOS工艺中制造的FSCL栅极的测量结果,并使用标准1微米工艺的仿真结果来比较FSCL和5.0-,静态逻辑的功率,延迟和开关噪声特性, 3.3V和2.0V电源。

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