منابع مشابه
Switched-Capacitor Dynamic Threshold PMOS (SC-DTPMOS) Transistor for High Speed Sub-threshold Applications
This work studies the effects of dynamic threshold design techniques on the speed and power of digital circuits. A new dynamic threshold transistor structure has been proposed to improve performances of digital circuits. The proposed switched-capacitor dynamic threshold PMOS (SC-DTPMOS) scheme employs a capacitor along with an NMOS switch in order to effectively reduce the threshold voltage of ...
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Ultralow threshold nanolasers have been sought after as power efficient light sources in photonic integrated circuits. Here a single-cell nanobeam laser with a nanoisland quantum well is proposed and demonstrated. Continuous operation at 1.5 μm is achieved at room temperature with an ultralow lasing threshold of 210 nW in absorbed power. The size of the active medium is reduced to 0.7 × 0.25 × ...
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Sub-threshold operation offers a compelling solution for ultra-low energy applications such as micro-sensors and embedded medical applications, where low energy needs are the primary concern instead of speed. By lowering the supply voltage below the transistors’ threshold voltage, we see a dramatic drop in energy consumption when compared to normal operations, but circuit instability and delay ...
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Previous efforts to reduce SRAM power have included voltage scaling to the edge of sub-threshold [2] or into the sub-threshold region [3], but only for idle cells. Although some published SRAMs operate at the edge of sub-threshold, none function at sub-threshold supply voltages compatible with logic operating at the minimum energy point. The 0.18μm memory in [4] provides one exception. Consisti...
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Sub-threshold operation is a compelling approach for energy-constrained applications where speed is of secondary concern, but increased sensitivity to process variation must be mitigated in this regime. With scaling of process technologies, random within-die variation has recently introduced another degree of complexity in circuit design. This thesis proposes approaches to mitigate process vari...
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ژورنال
عنوان ژورنال: New Journal of Physics
سال: 2003
ISSN: 1367-2630
DOI: 10.1088/1367-2630/5/1/132