Performance and reliability of asymmetric LDD devices and logic gates

Jone-Fang Chen, Jiang Tao, Peng Fang, Chenming Hu

Research output: Contribution to journalConference articlepeer-review

Abstract

The performance and reliability of NMOSFET asymmetric LDD devices (with no LDD on the source side) are compared with that of conventional LDD devices. Asymmetric LDD devices exhibit higher Idsat and larger Isub. To maintain the same hot-carrier lifetime, asymmetric LDD devices must operate at lower Vdd. For the same hot-carrier lifetime, ring oscillators with NMOSFET asymmetric LDD devices can achieve 5% (10% if PMOSFET also had asymmetric LDD) higher speed and 10% lower power. The hot-carrier reliability of inverter, NAND, and NOR structures with asymmetric LDD devices are also simulated and compared.

Original languageEnglish
Pages (from-to)533-536
Number of pages4
JournalProceedings of the Custom Integrated Circuits Conference
Publication statusPublished - 1998 Jan 1
EventProceedings of the 1998 IEEE Custom Integrated Circuits Conference - Santa Clara, CA, USA
Duration: 1998 May 111998 May 14

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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