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    • 62. 发明授权
    • Single cell erasing method for recovering memory cells under programming disturbs in non volatile semiconductor memory devices
    • 用于在非易失性半导体存储器件中的编程干扰下恢复存储单元的单单元擦除方法
    • US06944061B2
    • 2005-09-13
    • US10724022
    • 2003-11-26
    • Emilio CamerlenghiGiovanni CampardoTecla Ghilardi
    • Emilio CamerlenghiGiovanni CampardoTecla Ghilardi
    • G11C16/34G11C16/04
    • G11C16/3431G11C16/3404G11C16/3418
    • The present invention relates to a particular single cell erasing method for recovering memory cells under reading or programming disturbs in non volatile semiconductor memory electronic devices comprising cell matrix split in sectors and organized in rows, or word lines, and columns, or bit lines.This kind of memory devices generally provides the application of a sector erasing algorithm with subsequent testing phase (erase-verify); but the method according to the present invention provides a bit by bit erasing by applying to each single word line a negative voltage used during the erasing of a whole sector and on the drain terminal of each single cell a programming voltage.With this kind of selective bias it is possible to perform a single cell, or bit by bit, erasing, allowing all the cells in case under a reading or programming disturb increasing the original threshold value thereof to be recovered.
    • 本发明涉及一种用于在非易失性半导体存储器电子器件中读取或编程干扰的存储器单元中恢复存储单元的特定单元擦除方法,该非易失性半导体存储器电子器件包括扇区中的单元矩阵分割并以行或字线,列或位线组织。 这种存储器件通常提供具有随后的测试阶段(擦除验证)的扇区擦除算法的应用; 但是根据本发明的方法通过在每个单个字线上施加在擦除整个扇区期间使用的负电压并且在每个单电池的漏极端子上施加编程电压来逐位擦除。 利用这种选择性偏置,可以执行单个单元,或逐位擦除,允许在读取或编程干扰的情况下的所有单元增加其要恢复的原始阈值。
    • 63. 发明授权
    • Non-volatile memory capable of autonomously executing a program
    • 能够自主执行程序的非易失性存储器
    • US06587914B2
    • 2003-07-01
    • US09349702
    • 1999-07-08
    • Giovanni Campardo
    • Giovanni Campardo
    • G06F1200
    • G11C7/00G06F9/262G11C7/1006
    • A non-volatile semiconductor memory device that includes an address buffer block, a matrix of memory cells, and an output buffer block. The address buffer block receives input signals external to the memory device, that in a first operating mode are controlled by devices outside to the memory device, and transmit signals to the matrix of memory cells, which are adapted to decode the received signals and to transmit in turn output decoded signals through the output buffer block. A command block is provided that is activatable through an external control signal and once activated, it puts the memory device in a second operating mode in which the command block receives at least a part of the signals in output of said matrix of memory cells and, after having processed them, transmits internal address signals to the address buffer block. This provides a feedback inside the memory device capable of making the same able to autonomously execute a succession of instructions stored in the matrix of memory cells.
    • 一种非易失性半导体存储器件,包括地址缓冲器块,存储器单元矩阵和输出缓冲器块。 地址缓冲器块接收存储器件外部的输入信号,在第一操作模式中由存储器件外部的器件控制,并将信号发送到存储器单元矩阵,该存储器单元矩阵适于对接收的信号进行解码并传输 反过来通过输出缓冲块输出解码信号。 提供了可通过外部控制信号激活的命令块,一旦被激活,它将存储器件置于第二操作模式,其中命令块在存储器单元矩阵的输出中接收至少一部分信号, 在处理它们之后,将内部地址信号发送到地址缓冲块。 这提供了能够使得能够自主地执行存储在存储器单元矩阵中的一系列指令的存储器件内的反馈。
    • 64. 发明授权
    • Programmable logic arrays
    • 可编程逻辑阵列
    • US06396168B2
    • 2002-05-28
    • US09782173
    • 2001-02-12
    • Stefano GhezziDonato FerrarioEmilio YeroGiovanni Campardo
    • Stefano GhezziDonato FerrarioEmilio YeroGiovanni Campardo
    • H03K19096
    • H03K19/17736H03K19/17704H03K19/1778Y10T307/505
    • A programmable logic array (PLA) includes at least one AND plane including an array of transistors arranged in rows and columns. The transistors belonging to a same column may be connected in series with each other. Two end conduction terminals of the series connected transistors may be coupled to a supply voltage rail and to a reference, respectively. The transistors of the first and last rows of the array may have their control terminals coupled to respective opposite enabling/disabling potentials. Except for the first and last rows, first, second, and third control lines are associated with each row of the array. Except for the first and last rows, each transistor of each row may have its control terminal connected to one of the three control lines associated with its row. The PLA may alternatively include at least one OR plane.
    • 可编程逻辑阵列(PLA)包括至少一个AND平面,其包括以行和列排列的晶体管阵列。 属于同一列的晶体管可以彼此串联连接。 串联连接的晶体管的两个端部导电端子可以分别耦合到电源电压轨和参考。 阵列的第一行和最后一行的晶体管可以使它们的控制端耦合到各自相对的使能/禁止电位。 除了第一行和最后一行,第一,第二和第三控制行都与数组的每一行相关联。 除了第一行和最后一行之外,每行的每个晶体管可以将其控制端连接到与其行相关联的三条控制线之一。 PLA可以替代地包括至少一个OR平面。
    • 67. 发明授权
    • Sense amplifier having capacitively coupled input for offset compensation
    • 具有用于偏移补偿的电容耦合输入的感测放大器
    • US5729492A
    • 1998-03-17
    • US639192
    • 1996-04-26
    • Giovanni Campardo
    • Giovanni Campardo
    • G11C17/00G11C16/06G11C16/28
    • G11C16/28
    • A sense amplifier circuit for a semiconductor memory device comprises a first current/voltage converter for convening a current of a memory cell to be read into a voltage signal, a second current/voltage converter for converting a reference current into a reference voltage signal, and a voltage comparator for comparing the voltage signal with the reference voltage signal. The sense amplifier circuit comprises a capacitive decoupler for decoupling the voltage signal from the comparator, and circuitry for providing the capacitive decoupler with an electric charge suitable for compensating an offset voltage introduced in the voltage signal by an offset current superimposed on the current of the memory cell to be read.
    • 一种用于半导体存储器件的读出放大器电路包括用于将待读取的存储单元的电流转换为电压信号的第一电流/电压转换器,将参考电流转换为参考电压信号的第二电流/电压转换器,以及 电压比较器,用于将电压信号与参考电压信号进行比较。 感测放大器电路包括用于去耦电压信号与比较器的电容去耦器,以及电路,用于向电容解耦器提供适合于通过叠加在存储器电流上的偏置电流补偿电压信号中引入的偏移电压的电荷 单元格被读取。