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公开(公告)号：US06756814B2
公开(公告)日：2004-06-29
申请号：US10345242
申请日：2003-01-16
申请人： Yoshikazu Saitou , Kenichi Osada
发明人： Yoshikazu Saitou , Kenichi Osada
IPC分类号： H03K19175
CPC分类号： H03K19/0016
摘要： The present invention is directed to simplify a circuit for fixing an output logic of a logic gate while suppressing a subthreshold current. A logic circuit has an n-channel type first transistor capable of interrupting power supply to a logic gate in accordance with an input control signal, and a p-channel type second transistor capable of fixing an output node of the logic gate to a high level interlockingly with the power supply interrupting operation by the first transistor, and a threshold of the first transistor is set to be higher than that of a transistor as a component of the logic gate. Means for interrupting the power supply to the logic gate is realized by the first transistor, and means for fixing an output node of the logic gate to the high level is realized by the second transistor, thereby simplifying the circuit for fixing the output logic of the logic gate while suppressing a subthreshold current.
摘要翻译： 本发明旨在简化用于在抑制亚阈值电流的同时固定逻辑门的输出逻辑的电路。 逻辑电路具有能够根据输入控制信号中断到逻辑门的电源的n沟道型第一晶体管，以及能够将逻辑门的输出节点固定为高电平的p沟道型第二晶体管 与第一晶体管的电源中断操作互锁，并且将第一晶体管的阈值设置为高于作为逻辑门的组件的晶体管的阈值。 用于中断对逻辑门的电源的装置由第一晶体管实现，并且通过第二晶体管实现将逻辑门的输出节点固定为高电平的装置，从而简化用于固定逻辑门的输出逻辑的电路 同时抑制亚阈值电流。
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公开(公告)号：US20070286001A1
公开(公告)日：2007-12-13
申请号：US11783123
申请日：2007-04-06
IPC分类号： G11C7/00
CPC分类号： G06F11/1008 , G11C29/848
摘要： A semiconductor integrated circuit with memory redundancy circuit to address the problems of increased area, power consumption and access time which is caused by using an ECC circuit for error correction. The circuit comprises: a plurality of memory mats; a local bus, parallel to word lines, which transfers read data and write data from memory cells; a global bus for writing, parallel to data lines, which transfers write data from an input pad IO; a global bus for reading, parallel to data lines, which transfers read data to an output pad IO; and at least one error correction circuit located at an intersection of the global buses and the local bus. Reading and writing may each be completed in a single cycle, and during a write operation, data which is different from data previously read is written. By this configuration, an increase in area and power consumption can be avoided and errors such as soft errors can be corrected.
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公开(公告)号：US07219272B2
公开(公告)日：2007-05-15
申请号：US10170583
申请日：2002-06-14
CPC分类号： G06F11/1008 , G11C29/848
摘要： A semiconductor integrated circuit with memory redundancy circuit to address the problems of increased area, power consumption and access time which is caused by using an ECC circuit for error correction. The circuit comprises: a plurality of memory mats; a local bus, parallel to word lines, which transfers read data and write data from memory cells; a global bus for writing, parallel to data lines, which transfers write data from an input pad IO; a global bus for reading, parallel to data lines, which transfers read data to an output pad IO; and at least one error correction circuit located at an intersection of the global buses and the local bus. Reading and writing may each be completed in a single cycle, and during a write operation, data which is different from data previously read is written. By this configuration, an increase in area and power consumption can be avoided and errors such as soft errors can be corrected.
摘要翻译： 一种具有存储器冗余电路的半导体集成电路，用于解决由使用ECC电路进行纠错引起的增加的面积，功耗和访问时间的问题。 该电路包括：多个存储垫; 平行于字线的本地总线，其传送读取数据并从存储器单元写入数据; 与数据线并行的写入全局总线，其从输入焊盘IO传送写入数据; 用于读取数据线的全局总线，其将读取的数据传送到输出焊盘IO; 以及位于全局总线和本地总线的交叉点处的至少一个纠错电路。 读取和写入可以在单个周期中完成，并且在写入操作期间，写入与先前读取的数据不同的数据。 通过这种配置，可以避免面积和功耗的增加，并且可以校正诸如软错误的错误。
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公开(公告)号：US07710764B2
公开(公告)日：2010-05-04
申请号：US11783123
申请日：2007-04-06
IPC分类号： G11C11/00
CPC分类号： G06F11/1008 , G11C29/848
摘要： A semiconductor integrated circuit with memory redundancy circuit to address the problems of increased area, power consumption and access time which is caused by using an ECC circuit for error correction. The circuit includes: a plurality of memory mats; a local bus, parallel to word lines, which transfers read data and write data from memory cells; a global bus for writing, parallel to data lines, which transfers write data from an input pad IO; a global bus for reading, parallel to data lines, which transfers read data to an output pad IO; and at least one error correction circuit located at an intersection of the global buses and the local bus. Reading and writing may each be completed in a single cycle, and during a write operation, data which is different from data previously read is written. By this configuration, an increase in area and power consumption can be avoided and errors such as soft errors can be corrected.
摘要翻译： 一种具有存储器冗余电路的半导体集成电路，用于解决由使用ECC电路进行纠错引起的增加的面积，功耗和访问时间的问题。 电路包括：多个存储垫; 平行于字线的本地总线，其传送读取数据并从存储器单元写入数据; 与数据线并行的写入全局总线，其从输入焊盘IO传送写入数据; 用于读取数据线的全局总线，其将读取的数据传送到输出焊盘IO; 以及位于全局总线和本地总线的交叉点处的至少一个纠错电路。 读取和写入可以在单个周期中完成，并且在写入操作期间，写入与先前读取的数据不同的数据。 通过这种配置，可以避免面积和功耗的增加，并且可以校正诸如软错误的错误。
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5.发明授权Semiconductor integrated circuit device including SRAM cell array and a wiring layer for supplying voltage to well regions of SRAM cells provided on a region exterior of SRAM cell array 有权包括SRAM单元阵列的半导体集成电路器件和用于向SRAM单元阵列的外部区域上提供的SRAM单元的阱区域提供电压的布线层公开(公告)号：US09286968B2
公开(公告)日：2016-03-15
申请号：US13616435
申请日：2012-09-14
IPC分类号： H01L29/76 , H01L27/11 , G11C11/412
CPC分类号： H01L27/1104 , G11C11/412 , G11C11/417 , H01L27/11 , H01L29/4916 , H01L29/783 , Y10S257/904
摘要： Prior known static random access memory (SRAM) cells required that a diffusion layer be bent into a key-like shape in order to make electrical contact with a substrate with a P-type well region formed therein, which would result in a decrease in asymmetry leading to difficulty in micro-patterning. To avoid this problem, the P-type well region in which an inverter making up an SRAM cell is formed is subdivided into two portions, which are disposed on the opposite sides of an N-type well region NW1 and are formed so that a diffusion layer forming a transistor has no curvature while causing the layout direction to run in a direction parallel to well boundary lines and bit lines. At intermediate locations of an array, regions for use in supply power to the substrate are formed in parallel to word lines.
摘要翻译： 现有已知的静态随机存取存储器（SRAM）单元需要将扩散层弯曲成键状形状，以便与其中形成有P型阱区的衬底电接触，这将导致不对称性的降低 导致微图案化困难。 为了避免这个问题，构成SRAM单元的逆变器的P型阱区被细分成两部分，它们设置在N型阱区NW1的相对侧上，并形成为扩散 形成晶体管的层没有曲率，同时使得布局方向在平行于阱边界线和位线的方向上运行。 在阵列的中间位置处，与基板平行地形成用于向基板供电的区域。
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公开(公告)号：US08633684B2
公开(公告)日：2014-01-21
申请号：US12917523
申请日：2010-11-02
IPC分类号： G01R5/14
CPC分类号： G06F1/3203 , G06F1/206 , H01L21/67276 , Y02D10/16
摘要： To provide an LSI having a low power mode that can prevent an apparatus on which the LSI is mounted from resulting in performance degradation, etc. even when its electric power is not reduced in the low power mode. Devised is a circuit that instructs an operation mode and detects whether the LSI operates as specified by the mode, and that measures a current at the time of the low power mode in a pseudo manner and, if despite having shifted to the low power mode, the current is not reduced actually, issues an alarm signal.
摘要翻译： 为了提供具有低功率模式的LSI，即使在低功率模式下其电力没有降低的情况下，也可以防止LSI的装置在其中导致性能劣化等。 设计的是指示操作模式并且检测LSI是否以模式指定的方式操作的电路，并且以伪方式测量低功率模式时的电流，并且如果尽管已经转移到低功率模式， 电流实际上没有减少，发出报警信号。
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公开(公告)号：US08531872B2
公开(公告)日：2013-09-10
申请号：US13350340
申请日：2012-01-13
IPC分类号： G11C11/00
CPC分类号： G11C11/417
摘要： High manufacturing yield is realized and variation in threshold voltage of each MOS transistor in a CMOS·SRAM is compensated. Body bias voltages are applied to wells for MOS transistors of each SRAM memory cell in any active mode of an information holding operation, a write operation and a read operation of an SRAM. Threshold voltages of PMOS and NMOS transistors of the SRAM are first measured. Control information is programmed into control memories according to results of determination. Levels of the body bias voltages are adjusted based on the programs so that variations in the threshold voltages of the MOS transistors of the CMOS·SRAM are controlled to a predetermined error span. Body bias voltage corresponding to a reverse body bias or an extremely shallow forward body bias is applied to a substrate for the MOS transistors with an operating voltage applied to the source of each MOS transistor.
摘要翻译： 实现了高制造成品率，补偿了CMOS·SRAM中的每个MOS晶体管的阈值电压的变化。 在SRAM的信息保持操作，写入操作和读取操作的任何活动模式中，将体偏置电压施加到每个SRAM存储器单元的MOS晶体管的阱。 首先测量SRAM的PMOS和NMOS晶体管的阈值电压。 控制信息根据确定结果被编程到控制存储器中。 基于程序调整体偏置电压的电平，使得CMOS·SRAM的MOS晶体管的阈值电压的变化被控制到预定的误差范围。 将对应于反体偏置或非常浅的正向体偏置的体偏置电压施加到施加到每个MOS晶体管的源极的工作电压的MOS晶体管的衬底。
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公开(公告)号：US08451050B2
公开(公告)日：2013-05-28
申请号：US12987112
申请日：2011-01-08
IPC分类号： G05F1/10
CPC分类号： G06F1/3203 , H03K19/0016
摘要： Information technology equipment includes a circuit block, a local power source line for supplying a power source to the circuit block, a power source line, and a first transistor which is provided with a source-drain path thereof between the power source line and the local power source line, in which the first transistor is controlled to an OFF state in a first state, and is controlled to an ON state in a second state, and when the first state is shifted to the second state, the first transistor is controlled such that a rate of changing a current flowing in the source-drain path of the first transistor does not exceed a predetermined value.
摘要翻译： 信息技术设备包括电路块，用于向电路块提供电源的局部电源线，电源线和在电源线和本地电源线之间设置有源极 - 漏极路径的第一晶体管 电源线，其中第一晶体管在第一状态下被控制为OFF状态，并且在第二状态下被控制为ON状态，并且当第一状态转移到第二状态时，第一晶体管被控制为 改变在第一晶体管的源极 - 漏极路径中流动的电流的速率不超过预定值。
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公开(公告)号：US08270230B2
公开(公告)日：2012-09-18
申请号：US13353949
申请日：2012-01-19
申请人： Masanao Yamaoka , Kenichi Osada
发明人： Masanao Yamaoka , Kenichi Osada
CPC分类号： G11C8/08 , G11C11/412
摘要： The semiconductor device makes a comparison between a word-line timing signal for determining a word-line activation time and a reference signal, applies a back-gate bias for enlarging a read margin when the result of the comparison represents a low condition of the read margin, and applies a back-gate bias for enlarging a write margin when the comparison result represents a low condition of the write margin. The reference signal is selected depending on whether to compensate an operating margin fluctuating according to the word-line activation time (or word-line pulse width), or to compensate an operating margin fluctuating according to the process fluctuation (or variation in threshold voltage). By controlling the back-gate biases according to the word-line pulse width, an operating margin fluctuating according to the word-line pulse width, and an operating margin fluctuating owing to the variation in threshold voltage during its fabrication are improved.
摘要翻译： 半导体器件在用于确定字线激活时间的字线定时信号与参考信号之间进行比较，当比较结果表示读取的低条件时，施加用于放大读取余量的反向栅极偏置 并且当比较结果表示写入余量的低条件时，施加用于扩大写入裕度的反向栅极偏置。 参考信号是根据是否补偿根据字线激活时间（或字线脉冲宽度）而波动的工作裕度，或者根据工艺波动（或阈值电压的变化）来补偿工作裕量波动， 。 通过根据字线脉冲宽度控制背栅极偏压，可以提高根据字线脉冲宽度而波动的工作裕度，以及由于其制造期间的阈值电压的变化而波动的工作裕度。
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公开(公告)号：US08264870B2
公开(公告)日：2012-09-11
申请号：US12891208
申请日：2010-09-27
CPC分类号： G11C11/417 , G11C5/14 , G11C5/148
摘要： When threshold voltages of constituent transistors are reduced in order to operate an SRAM circuit at a low voltage, there is a problem in that a leakage current of the transistors is increased and, as a result, electric power consumption when the SRAM circuit is not operated while storing data is increased. Therefore, there is provided a technique for reducing the leakage current of MOS transistors in SRAM memory cells MC by controlling a potential of a source line ssl of the driver MOS transistors in the memory cells.
摘要翻译： 当降低构成晶体管的阈值电压以便在低电压下操作SRAM电路时，存在晶体管的漏电流增加的问题，结果是当SRAM电路不工作时的功耗 同时存储数据增加。 因此，提供了通过控制存储单元中的驱动器MOS晶体管的源极线ssl的电位来减小SRAM存储单元MC中的MOS晶体管的漏电流的技术。
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