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Fast Pulse Driving of Ferroelectric SBT Capacitors in a Nonvolatile Latch Shinzo KOYAMA Yoshihisa KATO Takayoshi YAMADA Yasuhiro SHIMADA Publication IEICE TRANSACTIONS on Electronics Vol.E89-C No.9 pp.1368-1372 Publication Date: 2006/09/01 Online ISSN: 1745-1353 DOI: 10.1093/ietele/e89-c.9.1368 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Integrated Electronics Keyword: nonvolatile latch, SBT, fast resumption, power management, Full Text: PDF(518.3KB)>>
Summary: We demonstrate a fast shutdown and resumption of a logic circuit applied a nonvolatile latch having SrBi2(Ta,Nb)2O9 (SBT) capacitors without a higher drive voltage than a logic voltage of 1.8 V. By assigning an individual drive circuit of the SBT capacitors to the nonvolatile latch not sharing a drive circuit with multiple nonvolatile latches, the fast shutdown and resumption of a logic circuit were completed in 7.5 ns at a drive voltage of 1.3 V. The fast shutdown and resumption without an addition of a high drive voltage to a logic circuit meets a requirement from power-saving applications of system LSIs fabricated in CMOS technologies at 90-nm and below. | |||||
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