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首页> 外文期刊>IEEE Journal of Solid-State Circuits >Capacitor-Less Design of Power-Rail ESD Clamp Circuit With Adjustable Holding Voltage for On-Chip ESD Protection
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Capacitor-Less Design of Power-Rail ESD Clamp Circuit With Adjustable Holding Voltage for On-Chip ESD Protection

机译:电源轨ESD箝位电路的无电容设计,具有可调的保持电压,用于片上ESD保护

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摘要

The RC-based power-rail ESD clamp circuit with the n-channel metal-oxide-semiconductor (NMOS) transistor drawn in the layout style of big field-effect transistor (BigFET) has been utilized to effectively enhance the ESD robustness of CMOS ICs. In this work, a new ESD-transient detection circuit without using the capacitor has been proposed and verified in a 65 nm 1.2 V CMOS process. The layout area of the new ESD-transient detection circuit can be greatly reduced by more than 54%, as compared to the traditional RC-based ESD-transient detection circuit realized with capacitor. From the experimental results, the new proposed ESD-transient detection circuit with adjustable holding voltage can achieve long enough turn-on duration under the ESD stress condition, as well as better immunity against mistrigger and transient-induced latch-on event under the fast power-on and transient noise conditions.
机译:采用大场效应晶体管(BigFET)布局的n沟道金属氧化物半导体(NMOS)晶体管的基于RC的电源轨ESD钳位电路,有效增强了CMOS IC的ESD鲁棒性。在这项工作中,提出了一种不使用电容器的新型ESD瞬态检测电路,并在65 nm 1.2 V CMOS工艺中进行了验证。与传统的基于RC的ESD瞬态检测电路相比,新型ESD瞬态检测电路的布局面积可以大大减少54%以上。从实验结果来看,新提出的保持电压可调的ESD瞬态检测电路在ESD应力条件下可以实现足够长的导通持续时间,并且在快速上电和瞬态噪声条件下具有更好的抗误触发和瞬态诱导闩锁事件的能力。

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