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    • 85. 发明授权
    • On chip word line voltage with PVT tracking for memory embedded in logic process
    • 片上字线电压采用PVT追踪内存嵌入逻辑过程
    • US07142043B2
    • 2006-11-28
    • US10909729
    • 2004-08-02
    • Chung-Cheng Chou
    • Chung-Cheng Chou
    • G05F1/10
    • G11C8/08G11C5/147
    • The present disclosure is directed toward regulation of voltage for semiconductor memories. In an embodiment, a circuit for providing a controlled voltage level comprises a PMOS transistor coupled to a first voltage coupler (VPP), the gate of the PMOS transistor being coupled to the drain of the PMOS transistor; a MOS sub-threshold current source, coupled to a second voltage coupler (ground); and a bias independent current source coupled to the MOS sub-threshold current source and the PMOS transistor intermediate the MOS sub-threshold current source and the PMOS transistor. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
    • 本公开涉及用于半导体存储器的电压的调节。 在一个实施例中,用于提供受控电压电平的电路包括耦合到第一电压耦合器(V PP PP)的PMOS晶体管,PMOS晶体管的栅极耦合到PMOS晶体管的漏极; 耦合到第二电压耦合器(接地)的MOS子阈值电流源; 以及耦合到MOS子阈值电流源的偏置独立电流源和位于MOS子阈值电流源和PMOS晶体管之间的PMOS晶体管。 要强调的是,该摘要被提供以符合要求摘要的规则,这将允许搜索者或其他读者快速确定技术公开的主题。 提交它的理解是,它不会用于解释或限制权利要求的范围或含义。
    • 89. 发明授权
    • Multiple-time programmable electrical fuse utilizing MOS oxide breakdown
    • 多次可编程电熔丝利用MOS氧化物分解
    • US06903436B1
    • 2005-06-07
    • US10833968
    • 2004-04-27
    • Ruei-Chin LuoChung-Cheng ChouChing-Wei Wu
    • Ruei-Chin LuoChung-Cheng ChouChing-Wei Wu
    • G11C17/16G11C17/18H01L23/525H01L29/00H01L29/76
    • G11C17/16G11C17/18H01L23/5252H01L2924/0002H01L2924/00
    • An improved a programmable electrical fuse device utilizing MOS oxide breakdown is described herein. The fuse device comprises a programmable MOS device having a first gate width, a reference MOS device having a second gate width that is substantially less than the first gate width, and a sense amplifier operable to detect a difference in current and generate a corresponding logical signal. According to one embodiment, the fuse device can be programmed only once to invert its logical state and thereby provide a changeable logical signal. This is done by applying an overvoltage signal to the programmable MOS device so that its oxide layer breaks down. Since the programmable MOS device and the reference MOS device are on opposite sides of the sense amplifier, an opposite logical signal is generated by shorting-out the programmable MOS device. According to another embodiment, the fuse device can be programmed and erased multiple times by breaking down oxide layers in MOS devices that are alternating sides of a sense amplifier.
    • 本文描述了利用MOS氧化物击穿的改进的可编程电熔丝装置。 熔丝器件包括具有第一栅极宽度的可编程MOS器件,具有基本上小于第一栅极宽度的第二栅极宽度的参考MOS器件,以及用于检测电流差并产生相应逻辑信号的读出放大器 。 根据一个实施例,熔丝器件可以仅被编程一次以反转其逻辑状态,从而提供可变的逻辑信号。 这通过对可编程MOS器件施加过电压信号以使其氧化层发生故障来完成。 由于可编程MOS器件和参考MOS器件位于读出放大器的相对侧,所以通过短路可编程MOS器件产生相反的逻辑信号。 根据另一实施例,通过分解作为读出放大器的交替侧的MOS器件中的氧化物层,可以对熔丝器件进行多次编程和擦除。