IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Special Section on Fundamentals and Applications of Advanced Semiconductor Devices
FN Stress Induced Degradation on Random Telegraph Signal Noise in Deep Submicron NMOSFETs
Hochul LEEYoungchang YOONIckhyun SONGHyungcheol SHIN
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2008 Volume E91.C Issue 5 Pages 776-779

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Abstract
As the gate area decreases to the order of a square micron, individual trapping events can be detected as fluctuations between discrete levels of the drain current, known as random telegraph signal (RTS) noise. Many circuit application areas such as CMOS Image sensor and flash memory are already suffering from RTS noise. Especially, in case of flash memory, FN stress causes threshold voltage shift problems due to generation of additional oxide traps, which degrades circuit performance. In this paper, we investigated how FN stress effects on RTS noise behavior in MOSFET and monitored it in both the time domain and frequency domain.
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© 2008 The Institute of Electronics, Information and Communication Engineers
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