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    • 21. 发明授权
    • Memory error correction
    • 内存纠错
    • US09135099B2
    • 2015-09-15
    • US13434588
    • 2012-03-29
    • Yun-Han ChenSung-Chieh LinKuoyuan (Peter) Hsu
    • Yun-Han ChenSung-Chieh LinKuoyuan (Peter) Hsu
    • G11C29/00G06F11/07G06F11/10H03M13/19H03M13/00
    • G06F11/073G06F11/0793G06F11/1008H03M13/19H03M13/6561
    • A method includes, by a first circuit, converting a plurality of bits in a first format to a second format. The plurality of bits in the second format is used, by a second circuit, to program a plurality of memory cells corresponding to the plurality of bits. The first format is a parallel format. The second format is a serial format. The first circuit and the second circuit are electrically coupled together in a chip. In some embodiments, the plurality of bits includes address information, cell data information, and program information of a memory cell that has an error. In some embodiments, the plurality of bits includes word data information of a word and error code and correction information corresponding to the word data information of the word.
    • 一种方法包括通过第一电路将第一格式的多个比特转换成第二格式。 通过第二电路使用第二格式的多个比特来对与多个比特相对应的多个存储单元进行编程。 第一种格式是并行格式。 第二种格式是串行格式。 第一电路和第二电路在芯片中电耦合在一起。 在一些实施例中,多个位包括地址信息,单元数据信息和具有错误的存储器单元的程序信息。 在一些实施例中,多个比特包括单词的字数据信息和与单词的单词数据信息对应的错误代码和校正信息。
    • 24. 发明授权
    • Voltage level shifter
    • 电压电平转换器
    • US08466732B2
    • 2013-06-18
    • US12900650
    • 2010-10-08
    • Po-Hung ChenKuoyuan (Peter) HsuDavid YenSung-Chieh Lin
    • Po-Hung ChenKuoyuan (Peter) HsuDavid YenSung-Chieh Lin
    • H03L5/00
    • H03K3/356165
    • An input of a first inverter is configured to serve as an input node. An output of the first inverter is coupled to an input of a second inverter. An output of the second inverter is configured to serve as an output node. An input of a third inverter is coupled to an input of the first inverter. A gate of a first NMOS transistor is coupled to an output of the third inverter. A drain of the first NMOS transistor is coupled to the second inverter. A source of the first NMOS transistor is configured to serve as a level input node. When the input node is configured to receive a low logic level, the output node is configured to receive a voltage level provided by a voltage level at the level input node.
    • 第一反相器的输入被配置为用作输入节点。 第一反相器的输出耦合到第二反相器的输入端。 第二反相器的输出被配置为用作输出节点。 第三反相器的输入耦合到第一反相器的输入端。 第一NMOS晶体管的栅极耦合到第三反相器的输出端。 第一NMOS晶体管的漏极耦合到第二反相器。 第一NMOS晶体管的源极被配置为用作电平输入节点。 当输入节点被配置为接收低逻辑电平时,输出节点被配置为接收由电平输入节点处的电压电平提供的电压电平。
    • 25. 发明授权
    • Testing one time programming devices
    • 测试一次性编程设备
    • US08411483B2
    • 2013-04-02
    • US12833131
    • 2010-07-09
    • Sung-Chieh LinKuoyuan (Peter) Hsu
    • Sung-Chieh LinKuoyuan (Peter) Hsu
    • G11C17/00
    • G11C17/16G11C17/14G11C29/08
    • A one time programming (OTP) memory array is divided into a user section and a test section. The cells in the user section and in the test section are configured to form a checkerboard pattern, that is, having repeats of one user cell and one test cell in both column and row directions. Programming the test section and various additional tests are performed to both the user and test sections and other circuitry of the memory array while the user section is not programmed. Even though the OTP user section is not programmed or tested, the provided tests in accordance with embodiments of the invention can provide a very high probability that the OTP memory including the user section is of high quality, i.e., the OTP cells in the user section can be programmed and function appropriately.
    • 一次性编程(OTP)存储器阵列分为用户部分和测试部分。 用户部分和测试部分中的单元格被配置为形成棋盘图案,即在列和行方向上具有一个用户单元和一个测试单元的重复。 在用户部分未编程的情况下,对测试部分进行编程,并对存储器阵列的用户和测试部分以及其他电路进行各种附加测试。 即使OTP用户部分未被编程或测试,根据本发明的实施例提供的测试可以提供包括用户部分的OTP存储器具有高质量(即,用户部分中的OTP单元)的非常高的概率 可以编程并正常工作。
    • 26. 发明授权
    • Repair circuitry with an enhanced ESD protection device
    • 具有增强型ESD保护装置的修复电路
    • US07551415B2
    • 2009-06-23
    • US11512830
    • 2006-08-30
    • Ming-Hsien TsaiHung-Jen LiaoSung-Chieh Lin
    • Ming-Hsien TsaiHung-Jen LiaoSung-Chieh Lin
    • H02H3/22
    • G11C29/02G11C17/18G11C29/027
    • A repair circuitry consisting of at least one electrical fuse forming part of a conduction path between a positive voltage supply (Vq) pad and a complimentary lower voltage supply source (Vss). The repair circuitry includes at least one switching device and at least one control circuitry. The at least one switching device has a control terminal and is coupled between the Vq pad and the at least one electrical fuse. The at least one control circuitry is coupled to the control terminal and the Vq pad respectively. Upon an application of a positive high voltage to the Vq pad, the control circuitry delays the turned-on state of the switching device for a predetermined period of time, thereby blocking stray currents occurred during ESD events. Consequently, the repair circuitry can prevent the at least one electrical fuse from being mistakenly programmed.
    • 修复电路由至少一个电熔丝构成,形成正电压源(Vq)焊盘和互补的低电压源(Vss)之间的传导路径的一部分。 修复电路包括至少一个开关装置和至少一个控制电路。 所述至少一个开关装置具有控制端子,并且耦合在所述Vq焊盘和所述至少一个电熔丝之间。 至少一个控制电路分别耦合到控制端子和Vq焊盘。 当向Vq焊盘施加正高电压时,控制电路将开关器件的接通状态延迟预定的时间段,从而阻止在ESD事件期间发生的杂散电流。 因此,修理电路可以防止至少一个电熔丝被错误编程。
    • 27. 发明授权
    • Methods of testing fuse elements for memory devices
    • 测试存储器件熔丝元件的方法
    • US07733096B2
    • 2010-06-08
    • US11731960
    • 2007-04-02
    • Sung-Chieh LinPo-Hung Chen
    • Sung-Chieh LinPo-Hung Chen
    • G01R31/02
    • G11C29/02G11C17/165G11C29/027
    • A method of testing a fuse element for a memory device is provided. A first test probe is electrically connected to a program terminal of the memory device. A second test probe is electrically connected to a ground terminal. The fuse element is on an electrical circuit path between the program terminal and the ground terminal. The first and second test probes are electrically connected to a testing device. A first voltage is applied with the testing device between the program terminal and the ground terminal. At least part of a first current of the first voltage flows across the fuse element. The first voltage and the at least part of the first current that flows across the fuse element is not large enough to change the conductivity state of the fuse element. The first current is measured and used to evaluated the conductive state of the fuse element.
    • 提供一种测试用于存储器件的熔丝元件的方法。 第一测试探针电连接到存储器件的程序终端。 第二测试探针电连接到接地端子。 保险丝元件位于程序端子和接地端子之间的电路上。 第一和第二测试探针电连接到测试装置。 测试设备在程序终端和接地端子之间施加第一个电压。 第一电压的第一电流的至少一部分流过熔丝元件。 在熔断元件上流动的第一电流和第一电流的至少一部分不足以改变熔丝元件的导电状态。 测量第一电流并用于评估熔丝元件的导电状态。
    • 29. 发明申请
    • Repair circuitry with an enhanced ESD protection device
    • 具有增强型ESD保护装置的修复电路
    • US20080062605A1
    • 2008-03-13
    • US11512830
    • 2006-08-30
    • Ming-Hsien TsaiHung-Jen LiaoSung-Chieh Lin
    • Ming-Hsien TsaiHung-Jen LiaoSung-Chieh Lin
    • H02H5/04
    • G11C29/02G11C17/18G11C29/027
    • A repair circuitry consisting of at least one electrical fuse forming part of a conduction path between a positive voltage supply (Vq) pad and a complimentary lower voltage supply source (Vss). The repair circuitry includes at least one switching device and at least one control circuitry. The at least one switching device has a control terminal and is coupled between the Vq pad and the at least one electrical fuse. The at least one control circuitry is coupled to the control terminal and the Vq pad respectively. Upon an application of a positive high voltage to the Vq pad, the control circuitry delays the turned-on state of the switching device for a predetermined period of time, thereby blocking stray currents occurred during ESD events. Consequently, the repair circuitry can prevent the at least one electrical fuse from being mistakenly programmed.
    • 修复电路由至少一个电熔丝构成,形成正电压源(Vq)焊盘和互补的低电压源(Vss)之间的传导路径的一部分。 修复电路包括至少一个开关装置和至少一个控制电路。 所述至少一个开关装置具有控制端子,并且耦合在所述Vq焊盘和所述至少一个电熔丝之间。 至少一个控制电路分别耦合到控制端子和Vq焊盘。 当向Vq焊盘施加正高电压时,控制电路将开关器件的接通状态延迟预定的时间段,从而阻止在ESD事件期间发生的杂散电流。 因此,修理电路可以防止至少一个电熔丝被错误编程。