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    • 3. 发明专利
    • Storage device and writing method of the same
    • 存储器件及其写入方法
    • JP2013257933A
    • 2013-12-26
    • JP2013102028
    • 2013-05-14
    • Semiconductor Energy Lab Co Ltd株式会社半導体エネルギー研究所
    • SHIONOIRI YUTAKAINOUE KIYOKO
    • G11C11/407G11C11/405H01L21/8242H01L27/108H01L29/786
    • G11C11/409G11C11/4076G11C11/4087
    • PROBLEM TO BE SOLVED: To provide a storage device in which held voltage is prevented from decreasing due to feedthrough in writing data to the storage device at high voltage.SOLUTION: The storage device includes a write circuit 110, a bit line, a word line WL, transistors 114, 117, 118, and a capacitor 111. A gate of the transistor is electrically connected to the word line. One of a source and a drain of the transistor is electrically connected to the bit line. The other of the source and the drain of the transistor is electrically connected to one terminal of the capacitor. The other terminal of the capacitor is electrically connected to the ground. The write circuit includes an element holding write voltage and a circuit gradually decreasing voltage from the element holding write voltage. The write voltage is output from the write circuit to the word line.
    • 要解决的问题:提供一种存储装置,其中防止由于馈电在高电压下将数据写入存储装置而导致的保持电压降低。解决方案:存储装置包括写电路110,位线,字线 WL,晶体管114,117,118和电容器111.晶体管的栅极电连接到字线。 晶体管的源极和漏极之一电连接到位线。 晶体管的源极和漏极中的另一个电连接到电容器的一个端子。 电容器的另一个端子电连接到地。 写入电路包括保持写入电压的元件和从元件保持写入电压逐渐降低电压的电路。 写入电压从写入电路输出到字线。
    • 5. 发明专利
    • Semiconductor device
    • 半导体器件
    • JP2013073653A
    • 2013-04-22
    • JP2011212143
    • 2011-09-28
    • Elpida Memory Incエルピーダメモリ株式会社
    • KONDO TSUTOMU
    • G11C11/401G11C29/42
    • G11C11/409G11C7/24G11C8/12G11C11/4063G11C11/4076G11C11/4078G11C11/408G11C29/52
    • PROBLEM TO BE SOLVED: To perform appropriate processing upon occurrence of a parity error.SOLUTION: The semiconductor device includes, for example, an access control circuit 20 which receives, from the outside, an address signal ADD indicating an address of a memory cell MC to be accessed, and a command signal CMD indicating an access type, and which accesses a memory cell array 11 on the basis of the signals. The access control circuit 20 includes a verification circuit 90 which verifies the address signal ADD and the command signal CMD on the basis of a verification signal PRTY supplied from the outside. When determining that the address signal ADD or the command signal CMD is determined to be an error, the verification circuit 90 suspends an access to the memory cell array 11. This prevents, upon detection of a defect such as a so-called parity error, data from being destroyed by execution of an erroneous command or data from being overwritten to a wrong address.
    • 要解决的问题:在发生奇偶校验错误时执行适当的处​​理。 解决方案:半导体器件例如包括访问控制电路20,其从外部接收指示要访问的存储器单元MC的地址的地址信号ADD以及指示访问类型的命令信号CMD 并且其基于信号访问存储单元阵列11。 访问控制电路20包括基于从外部提供的验证信号PRTY来验证地址信号ADD和命令信号CMD的验证电路90。 当确定地址信号ADD或命令信号CMD被确定为错误时,验证电路90暂停对存储单元阵列11的访问。这防止在检测到诸如所谓的奇偶校验错误的缺陷时, 通过执行错误的命令或数据而被破坏的数据被覆盖到错误的地址。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Semiconductor memory
    • 半导体存储器
    • JP2003022671A
    • 2003-01-24
    • JP2001207580
    • 2001-07-09
    • Fujitsu Ltd富士通株式会社
    • KITAMOTO AYAKOMATSUMIYA MASATO
    • G11C11/401G11C7/10G11C11/408G11C11/409
    • G11C11/409G11C7/10G11C2207/002G11C2207/065G11C2207/108
    • PROBLEM TO BE SOLVED: To reduce the power consumption of a semiconductor memory having a wide bus bandwidth of input/output data and to realize a high speed operation thereof. SOLUTION: Data read to a bit line from a memory cell at the time of reading operation is amplified by a sense amplifier, and outputted to the outside. At the time, a data control circuit outputs all data read to the bit line from the memory cell and amplified by the sense amplifier are outputted to the outside. Data supplied to a bit line from the outside at the time of write-in operation is amplified by the sense amplifier, and written in the memory cell. At the time, the data control circuit writes all data inputted from the outside and amplified by the sense amplifier in the memory cell. As all data amplified by the sense amplifier is inputted and outputted to the outside, a data transfer rate of input/output data can be improved, and power consumption per transfer quantity of data can be reduced.
    • 要解决的问题:为了降低具有宽的输入/输出数据的总线带宽的半导体存储器的功耗,并实现其高速操作。 解决方案:读取操作时从存储单元读取到位线的数据由读出放大器放大,并输出到外部。 此时,数据控制电路将从存储单元读出的所有数据输出到位线并由读出放大器放大后输出到外部。 在写入操作时从外部提供给位线的数据由读出放大器放大,并写入存储单元。 此时,数据控制电路将从外部输入并由读出放大器放大的全部数据写入存储单元。 由于由读出放大器放大的全部数据被输入并输出到外部,所以可以提高输入/输出数据的数据传送速率,并且可以减少每个传送数据量的功耗。