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    • 1. 发明授权
    • Three device BICMOS gain cell
    • 三器件BICMOS增益单元
    • US5909400A
    • 1999-06-01
    • US917630
    • 1997-08-22
    • Claude Louis BertinJohn Atkinson FifieldRussell J. HoughtonChristopher P. MillerWilliam R. Tonti
    • Claude Louis BertinJohn Atkinson FifieldRussell J. HoughtonChristopher P. MillerWilliam R. Tonti
    • G11C11/405G11C11/406G11C11/34
    • G11C11/406G11C11/405
    • A nondestructive read, three device BICMOS gain cell for a DRAM memory having two FETs and one bipolar device. The gain cell has an improved access time (less latency), can operate for longer periods of time before a refresh operation is required, requires a smaller storage capacitance than a traditional DRAM cell, and can be produced commercially at lower costs than are presently available. In a preferred embodiment, the gain cell comprises an n channel metal oxide semiconductor field effect write transistor having its gate connected to a write word line WLw. Its drain is connected to a storage node Vs having a storage capacitance Cs associated therewith, and its source is connected to a write bit line BLw. An n channel metal oxide semiconductor field effect read transistor has its gate connected to the storage node Vs and its source connected to a read word line WLr. A PNP transistor has its base connected to the drain of the read transistor and its emitter connected to a read bit line BLr. A second embodiment is constructed with p channel FETs and an NPN transistor.
    • 具有两个FET和一个双极器件的DRAM存储器的非破坏性读取,三器件BICMOS增益单元。 增益单元具有改进的访问时间(更低的延迟),可以在需要刷新操作之前更长时间地操作,需要比传统DRAM单元更小的存储电容,并且可以以比目前可用的更低的成本在商业上生产 。 在优选实施例中,增益单元包括其栅极连接到写入字线WLw的n沟道金属氧化物半导体场效应写入晶体管。 其漏极连接到具有与其相关联的存储电容Cs的存储节点Vs,并且其源极连接到写入位线BLw。 n沟道金属氧化物半导体场效应读取晶体管的栅极连接到存储节点Vs,其源极连接到读取字线WLr。 PNP晶体管的基极连接到读晶体管的漏极,其发射极连接到读位线BLr。 第二实施例由p沟道FET和NPN晶体管构成。
    • 3. 发明授权
    • Decode scheme for programming antifuses arranged in banks
    • 用于在银行中排列的编程反熔丝的解码方案
    • US06339559B1
    • 2002-01-15
    • US09781883
    • 2001-02-12
    • Claude Louis BertinJohn Atkinson FifieldNicholas Martin van Heel
    • Claude Louis BertinJohn Atkinson FifieldNicholas Martin van Heel
    • G11C1716
    • G11C17/16
    • Described is an antifuse array comprising a plurality of antifuse elements and a plurality of cell plates. Each of the antifuse elements comprises a programming transistor and one of the cell plates. The programming transistor and the cell plate of each antifuse element are both activated to program the antifuse element. Each of the cell plates is coupled to a portion of the plurality of antifuse elements and to one of a plurality of decode circuits, and the decode circuits selectively activate its coupled cell plate. With a preferred embodiment, a multitude of interconnect lines are connected to the antifuses and in particular, each interconnect line intersects each of the cell plates and is associated with one antifuse in each group of antifuses. With this preferred embodiment, the array of antifuses are decoded by predecoding one of the cell plates by elevating the cell plate voltage from ground to a program voltage, and decoding one of the interconnect lines to program one of the antifuses. The intersection of the cell plate set to a program voltage and the decoded interconnect line results in programming a unique antifuse.
    • 描述了包括多个反熔丝元件和多个单元板的反熔丝阵列。 每个反熔丝元件包括编程晶体管和单元板之一。 每个反熔丝元件的编程晶体管和单元板都被激活以对反熔丝元件进行编程。 每个单元板耦合到多个反熔丝元件的一部分和多个解码电路中的一个,并且解码电路选择性地激活其耦合的单元板。 利用优选实施例,多个互连线连接到反熔丝,并且特别地,每个互连线与每个单元板相交,并且在每组反熔丝组中与一个反熔丝相关联。 利用该优选实施例,通过将单元板电压从地面升高到编程电压,对单元板中的一个进行预解码,并解码其中一条互连线以对其中一个反熔丝进行编译,对反熔丝阵列进行解码。 单元板设置为编程电压和解码的互连线的交点导致编程独特的反熔丝。
    • 9. 发明授权
    • Reference potential for sensing data in electronic storage element
    • 电子存储元件中感应数据的参考电位
    • US5880988A
    • 1999-03-09
    • US893797
    • 1997-07-11
    • Claude Louis BertinJohn Atkinson FifieldRussell James HoughtonChristopher Paul MillerWilliam Robert Patrick Tonti
    • Claude Louis BertinJohn Atkinson FifieldRussell James HoughtonChristopher Paul MillerWilliam Robert Patrick Tonti
    • G11C11/401G11C7/14G11C5/06
    • G11C7/14
    • A column of an integrated memory circuit includes two bit lines each with a right half and a left half and a plurality of similar memory cells connected to each half of each bit line. One of the memory cells connected to each line is used as a reference and the other cells are used for data storage. Each half of each bit line is connected to a sense node of a sense amplifier latch through an independently controlled transistor switch. To read the data from the first half of the first bit line, the transistors connecting the first half of the first bit line to the sense node is turned on and the transistor connecting the second half of the first bit line to the sense node is turned off. Both transistor switches connecting respective halves of the other bit line to the other sense node are turned on. Each half of each bit line includes approximately the same effective load. The load applied to the first sense node is thus about half of the load applied to the second sense node. Access switches are opened to access the value stored in the data memory element and the reference data element and the resulting potential in the bit lines are significantly different whether the same value is stored or not, due to the different loads. Preferably, the output of the memory elements is selected so that the reference potential is about midway between the potential in a bit line half connected to a memory element storing a high value and a low value.
    • 集成存储器电路的列包括两个位线,每个位线具有连接到每个位线的每一半的右半部分和左半部分以及多个相似的存储器单元。 连接到每条线的存储器单元之一用作参考,其他单元用于数据存储。 每个位线的每一半通过独立控制的晶体管开关连接到读出放大器锁存器的感测节点。 为了读取来自第一位线的前半部分的数据,将第一位线的前半部分连接到感测节点的晶体管导通,并且将第一位线的第二半部分连接到感测节点的晶体管被​​转换 关闭 将另一个位线的相应两半连接到另一个感测节点的两个晶体管开关导通。 每个位线的每一半包括大致相同的有效负载。 因此,施加到第一感测节点的负载大约是施加到第二感测节点的负载的一半。 打开访问开关以访问存储在数据存储器元件中的值和参考数据元素,并且由于不同的负载,位线中产生的电位是否与存储相同的值是显着不同的。 优选地,存储器元件的输出被选择为使得参考电位在连接到存储高值和低值的存储元件的位线半部中的电位之间的大约中间。