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    • 52. 发明授权
    • Non-volatile semiconductor memory device
    • 非易失性半导体存储器件
    • US09318196B1
    • 2016-04-19
    • US14725740
    • 2015-05-29
    • Floadia Corporation
    • Hideo KasaiYutaka ShinagawaRyotaro SakuraiYasuhiro TaniguchiKosuke Okuyama
    • G11C16/04G11C14/00G11C11/417H01L29/423G11C11/419G11C16/24
    • G11C14/0063G11C5/025G11C11/417G11C11/419G11C16/10
    • In a non-volatile semiconductor memory device capable of programming SRAM data in an SRAM into a non-volatile memory unit while implementing a high-speed operation in the SRAM, a voltage required to program the SRAM data into the non-volatile memory unit can be lowered. Thus, the SRAM can be operated at high speed with a low power supply voltage because the thickness of a gate insulating film of each of a first access transistor, a second access transistor, a first load transistor, a second load transistor, a first drive transistor, and a second drive transistor constituting the SRAM connected to the non-volatile memory unit can be set to 4 [nm] or less. Therefore, the SRAM data in the SRAM can be programmed into the non-volatile memory unit while a high-speed operation in the SRAM can be implemented.
    • 在能够将SRAM中的SRAM数据编程成非易失性存储器单元同时在SRAM中实现高速操作的非易失性半导体存储器件中,将SRAM数据编程到非易失性存储器单元中所需的电压可以 被降低 因此,由于第一存取晶体管,第二存取晶体管,第一负载晶体管,第二负载晶体管,第一驱动器中的每一个的栅极绝缘膜的厚度,SRAM可以以较低的电源电压高速运行 晶体管和构成连接到非易失性存储单元的SRAM的第二驱动晶体管可以被设置为4 [nm]或更小。 因此,可以将SRAM中的SRAM数据编程到非易失性存储器单元中,同时可以实现SRAM中的高速操作。
    • 53. 发明申请
    • METHOD AND APPARATUS FOR PROVIDING MULTI-PAGE READ AND WRITE USING SRAM AND NONVOLATILE MEMORY DEVICES
    • 使用SRAM和非易失性存储器件提供多页读取和写入的方法和装置
    • US20160078938A1
    • 2016-03-17
    • US14855323
    • 2015-09-15
    • NEO Semiconductor, Inc.
    • Fu-Chang Hsu
    • G11C14/00G11C16/04G11C11/419G11C16/10
    • G11C14/0063G11C11/005G11C11/419G11C16/0483G11C16/10
    • A memory device includes a static random-access memory (“SRAM”) circuit and a first nonvolatile memory (“NVM”) string, a second NVM string, a first and a second drain select gates (“DSGs”). The SRAM circuit is able to temporarily store information in response to bit line (“BL”) information which is coupled to at the input terminal of the SRAM circuit. The first NVM string having at least one nonvolatile memory cell is coupled to the output terminal of the SRAM. The first DSG is operable to control the timing for storing information at the output terminal of the SRAM to the first nonvolatile memory. The second NVM string having at least one nonvolatile memory cell is coupled to the output terminal of the SRAM. The second DSG controls the timing for storing information at the output terminal of the SRAM to the second nonvolatile memory string.
    • 存储器件包括静态随机存取存储器(“SRAM”)电路和第一非易失性存储器(“NVM”)串,第二NVM串,第一和第二漏极选择栅极(“DSG”)。 SRAM电路能够临时存储响应于在SRAM电路的输入端耦合的位线(“BL”)信息的信息。 具有至少一个非易失性存储单元的第一NVM串耦合到SRAM的输出端。 第一DSG可操作以控制在SRAM的输出端处将信息存储到第一非易失性存储器的定时。 具有至少一个非易失性存储单元的第二NVM串耦合到SRAM的输出端。 第二DSG控制用于将SRAM的输出端子处的信息存储到第二非易失性存储器串的定时。
    • 54. 发明申请
    • NON-VOLATILE SEMICONDUCTOR MEMORY DEVICE AND WRITING METHOD THEREOF
    • 非挥发性半导体存储器件及其写入方法
    • US20150325299A1
    • 2015-11-12
    • US14625436
    • 2015-02-18
    • POWERCHIP TECHNOLOGY CORPORATION
    • Mathias Yves Gilbert BAYLE
    • G11C16/10G11C16/34G11C14/00
    • G11C16/10G11C8/08G11C8/10G11C8/14G11C14/0063G11C16/0483G11C16/08G11C16/3427
    • A non-volatile semiconductor memory device utilized to implement the writing of data by adding a predetermined voltage for assigning a word line to a non-volatile memory cell includes a control process or generating and outputting control data implementing a program code for writing data including a word line assignment command and voltage source assignment data, a writing controller decoding the control data and generating a control signal of the word line assignment command and a control signal of the voltage source assignment data, a voltage generation circuit generating several voltages for writing data, and a switch circuit selecting a voltage, corresponding to voltage source assignment data, among several voltages, according to the control signal of the word line assignment command and the control signal of voltage source assignment data and outputting the selected voltage to the word line corresponding to the word line assignment command.
    • 用于通过添加用于将字线分配给非易失性存储单元的预定电压来实现数据写入的非易失性半导体存储器件包括控制处理或产生和输出实现用于写入数据的程序代码的控制数据,所述程序代码包括 字线分配命令和电压源分配数据,写入控制器对控制数据进行解码并产生字线分配命令的控制信号和电压源分配数据的控制信号,产生用于写数据的多个电压的电压产生电路, 以及开关电路,根据字线分配指令的控制信号和电压源分配数据的控制信号,在多个电压中选择与电压源分配数据对应的电压,并将选择的电压输出到对应于 字线分配命令。
    • 58. 发明授权
    • On-chip HV and LV capacitors acting as the second back-up supplies for NVSRAM auto-store operation
    • 作为NVSRAM自动存储操作的第二个备用电源的片上HV和LV电容
    • US09001583B2
    • 2015-04-07
    • US14053549
    • 2013-10-14
    • Aplus Flash Technology, Inc
    • Peter Wung LeeHsing-Ya Tsao
    • G11C11/34G11C16/30G11C5/14G11C14/00G11C16/12G11C16/22
    • G11C16/30G11C5/141G11C14/0063G11C16/12G11C16/22
    • Two on-chip capacitors including one HV capacitor VPPcap and one LV VCC capacitor VCCcap are built over a NVSRAM memory chip as a back-up second power supplies for each NVSRAM cell, regardless of 1-poly, 2-poly, PMOS or NMOS flash cell structures therein. The on-chip HV and LV capacitors are preferably made from one or more MIM or MIP layers for achieving required capacitance. A simplified VCC power system circuit without a need of a State machine designed for performing only one NVSRAM Program operation without Erase operations is proposed for initiating NVSRAM's Auto-Store operation without using any off-chip Vbat and Vcap. During the Auto-Store operation, all HV pumps and oscillators associated with the two on-chip capacitors are shut off once VCC voltage drop is detected by a VCC detector to be below 80% of regular VDD level.
    • 两个片上电容器包括一个HV电容器VPPcap和一个LV VCC电容器VCCcap,构成NVSRAM存储器芯片,作为每个NVSRAM单元的备用第二个电源,无论1-poly,2-poly,PMOS或NMOS闪存 其中的细胞结构。 片上HV和LV电容器优选地由用于实现所需电容的一个或多个MIM或MIP层制成。 提出了一种简化的VCC电源系统电路,不需要设计用于仅执行一个NVSRAM编程操作而不进行擦除操作的状态机,用于启动NVSRAM的自动存储操作,而不使用任何片外Vbat和Vcap。 在自动存储操作期间,一旦VCC检测器检测到VCC电压降低到正常VDD电平的80%,则与两个片上电容器相关的所有HV泵和振荡器都将被关闭。
    • 59. 发明申请
    • MEMORY CIRCUIT
    • 存储器电路
    • US20140313827A1
    • 2014-10-23
    • US14318841
    • 2014-06-30
    • Semiconductor Energy Laboratory Co., Ltd.
    • Takuro Ohmaru
    • G11C14/00
    • G11C14/0018G11C5/14G11C11/34G11C11/41G11C14/00G11C14/0063H01L21/8258H01L27/0688H01L27/1156H01L27/1207H01L29/788H01L29/792
    • The present invention provides a memory circuit in which, while the power is not supplied, a data signal that has been held in a memory section corresponding to a volatile memory can be held in a capacitor in a memory section corresponding to a nonvolatile memory. In the nonvolatile memory section, a transistor whose channel is formed in an oxide semiconductor layer allows a signal to be held in the capacitor for a long period. Thus, the memory circuit can hold a logic state (data signal) even while the power supply is stopped. A potential applied to a gate of the transistor whose channel is formed in an oxide semiconductor layer is raised by a booster circuit provided between a wiring for carrying power supply potential and the gate of the transistor, allowing a data signal to be held even by one power supply potential without malfunction.
    • 本发明提供了一种存储电路,其中在不提供电力的情况下,已经保存在与易失性存储器相对应的存储器部分中的数据信号可以被保存在与非易失性存储器相对应的存储器部分中的电容器中。 在非易失性存储器部分中,其沟道形成在氧化物半导体层中的晶体管允许信号被长时间保持在电容器中。 因此,即使在电源停止的情况下,存储电路也可以保持逻辑状态(数据信号)。 施加到其沟道形成在氧化物半导体层中的晶体管的栅极的电位由设置在用于承载电源电位的布线和晶体管的栅极之间的升压电路升高,允许数据信号被保持为一个 电源电位无故障。