Memoirs of the Graduate School of Science and Engineering Shimane University. Series A

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Memoirs of the Graduate School of Science and Engineering Shimane University. Series A 32
1998-12-24 発行

低消費電カ・高速CMOS/SOIテバイス技術

Low-Power High-Speed CMOS/SOI Device Technology
Tsuchiya, Toshiaki
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Description
CMOS (complementary Metal Oxide Semconductor)/SOI(sillcon on Insulator) devices are very promising for low-power and high-speed VLSI applications. Fundamental matters regarding SOI devices, such as a kind of SOI substrates, features of SOI CMOS structures, and two kinds of operation modes in SOI MOSFETs,i.e., fully-depleted and partially-depleted modes, are explamed, and the reason why CM0S/SOI is effective for low-power and high-speed LSIs is described. Floating body effects in SOI MOSFFTs and some proposed methods to prevent the effects are explained, and hot carrier reliability in ultra-thin SOI MOSFETs are also described. They are most important issue from the view point of device operation. Dynamic threshold-voltage MOSFFT, which is suitable for ultra-low voltage LSIs, is introduced . Finally,the effectiveness of SOI devices is veriied based on some expermental LSIs.
NCID
AA11157087