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    • 5. 发明授权
    • Apparatus and method for reducing noise in mixed-signal circuits and digital circuits
    • 用于降低混合信号电路和数字电路噪声的装置和方法
    • US07834428B2
    • 2010-11-16
    • US11680430
    • 2007-02-28
    • Radu M. SecareanuOlin L. HartinEmre Salman
    • Radu M. SecareanuOlin L. HartinEmre Salman
    • H01L27/06H01L23/64
    • H01L27/092H01L2924/0002H01L2924/00
    • Apparatus and a method are provided for reducing noise in mixed-signal and digital circuits. One apparatus (200) includes a metal-oxide-semiconductor field-effect transistor (MOSFET) (210). MOSFET (210) includes a doped substrate (2210) with a source formed proximate a substrate tie (2224) and a substrate tie (2250) adjacent substrate (2210). A ground rail (255) is coupled to the source and substrate tie (2224), and a ground rail (285) is coupled to substrate tie (2250). Ground rails (255) and (285) are configured to be coupled to different ground networks (250 and 280). One method includes producing a model of a semiconductor device including a standard semiconductor cell (710). The semiconductor cell is identified as a noise-sensitive or a noise-producing semiconductor cell (720), and the semiconductor cell is replaced with a corresponding noise-aware semiconductor cell (730).
    • 提供了用于降低混合信号和数字电路中的噪声的装置和方法。 一种装置(200)包括金属氧化物半导体场效应晶体管(MOSFET)(210)。 MOSFET(210)包括掺杂衬底(2210),源极靠近衬底接合端(2224)和与衬底(2210)相邻的衬底接头(2250)。 接地导轨(255)耦合到源极和衬底连接件(2224),并且接地导轨(285)耦合到衬底连接件(2250)。 地线(255)和(285)被配置为耦合到不同的地面网络(250和280)。 一种方法包括制造包括标准半导体单元(710)的半导体器件的模型。 半导体单元被识别为噪声敏感或产生噪声的半导体单元(720),并且半导体单元被相应的噪声感知半导体单元(730)替代。
    • 7. 发明授权
    • Integrated circuit with improved signal noise isolation and method for improving signal noise isolation
    • 具有改进的信号噪声隔离的集成电路和用于改善信号噪声隔离的方法
    • US07138686B1
    • 2006-11-21
    • US11142433
    • 2005-05-31
    • Suman K. BanerjeeEnrique FerrerOlin L. HartinRadu M. Secareanu
    • Suman K. BanerjeeEnrique FerrerOlin L. HartinRadu M. Secareanu
    • H01L29/76
    • H01L27/0248H01L23/552H01L2924/0002H01L2924/00
    • A system-on chip (SOC) (100) and method of isolating noise in a SOC, including a plurality of noise sensitive circuit blocks (120, 220) and ESD protected pads (302, 304, 306, 308, 310, 312, and 314). A VDD isolation pad (302) is connected to an N well ring (124) of the first noise sensitive circuit (120) to collect noise from the substrate (110) and isolate the circuit from the P well region (112). A ground protected pad (304) is connected to an isolated P well (126) of a first noise sensitive circuit (120). The ground pad (304) collects noise from the isolated P well (126) and sends it to ground. A dedicated ground isolation pad (306) is connected to a P well ring (224) of a second noise sensitive circuit (220). The dedicated ground isolation pad (306) collects noise from the P well ring (224) and sends it to ground. The dedicated ground isolation pad (306) and the ground pad (304) collect noise that would normally propagate between the first and second noise sensitive circuits (120, 220) and additional circuits that share the same substrate (110).
    • 一种片上系统(SOC)(100)以及分离SOC中的噪声的方法,包括多个噪声敏感电路块(120,220)和ESD保护焊盘(302,304,306,308,310,312,312) 和314)。 VDD隔离焊盘(302)连接到第一噪声敏感电路(120)的N阱环(124),以从基板(110)收集噪声,并将电路与P阱区域(112)隔离。 接地保护焊盘(304)连接到第一噪声敏感电路(120)的隔离P阱(126)。 接地焊盘(304)从隔离的P阱(126)收集噪声并将其发送到地面。 专用接地隔离垫(306)连接到第二噪声敏感电路(220)的P阱环(224)。 专用接地隔离垫(306)从P阱环(224)收集噪声并将其发送到地面。 专用接地隔离焊盘(306)和接地焊盘(304)收集正常地在第一和第二噪声敏感电路(120,220)之间传播的噪声以及共享相同衬底(110)的附加电路。
    • 9. 发明申请
    • APPARATUS AND METHOD FOR REDUCING NOISE IN MIXED-SIGNAL CIRCUITS AND DIGITAL CIRCUITS
    • 用于减少混合信号电路和数字电路噪声的装置和方法
    • US20080203494A1
    • 2008-08-28
    • US11680430
    • 2007-02-28
    • Radu M. SecareanuOlin L. HartinEmre Salman
    • Radu M. SecareanuOlin L. HartinEmre Salman
    • H01L27/06G06F17/50
    • H01L27/092H01L2924/0002H01L2924/00
    • Apparatus and a method are provided for reducing noise in mixed-signal and digital circuits. One apparatus (200) includes a metal-oxide-semiconductor field-effect transistor (MOSFET) (210). MOSFET (210) includes a doped substrate (2210) with a source formed proximate a substrate tie (2224) and a substrate tie (2250) adjacent substrate (2210). A ground rail (255) is coupled to the source and substrate tie (2224), and a ground rail (285) is coupled to substrate tie (2250). Ground rails (255) and (285) are configured to be coupled to different ground networks (250 and 280). One method includes producing a model of a semiconductor device including a standard semiconductor cell (710). The semiconductor cell is identified as a noise-sensitive or a noise-producing semiconductor cell (720), and the semiconductor cell is replaced with a corresponding noise-aware semiconductor cell (730).
    • 提供了用于降低混合信号和数字电路中的噪声的装置和方法。 一种装置(200)包括金属氧化物半导体场效应晶体管(MOSFET)(210)。 MOSFET(210)包括掺杂衬底(2210),源极靠近衬底接合端(2224)和与衬底(2210)相邻的衬底接头(2250)。 接地导轨(255)耦合到源极和衬底连接件(2224),并且接地导轨(285)耦合到衬底连接件(2250)。 地线(255)和(285)被配置为耦合到不同的地面网络(250和280)。 一种方法包括制造包括标准半导体单元(710)的半导体器件的模型。 半导体单元被识别为噪声敏感或产生噪声的半导体单元(720),并且半导体单元被相应的噪声感知半导体单元(730)替代。