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    • 1. 发明授权
    • Method of reducing disturbs in non-volatile memory
    • 减少非易失性存储器中的干扰的方法
    • US07468915B2
    • 2008-12-23
    • US11538521
    • 2006-10-04
    • Daniel C. GutermanGeorge SamachisaBrian MurphyChi-Ming WangKhandker N. Quader
    • Daniel C. GutermanGeorge SamachisaBrian MurphyChi-Ming WangKhandker N. Quader
    • G11C11/34
    • G11C7/12G11C16/12G11C16/3427G11C29/02G11C29/021G11C29/028G11C29/50012G11C2029/1204
    • In a non-volatile memory, the displacement current generated in non-selected word lines that results when the voltage levels on an array's bit lines are changed can result in disturbs. Techniques for reducing these currents are presented. In a first aspect, the number of cells being simultaneously programmed on a word line is reduced. In a non-volatile memory where an array of memory cells is composed of a number of units, and the units are combined into planes that share common word lines, the simultaneous programming of units within the same plane is avoided. Multiple units may be programmed in parallel, but these are arranged to be in separate planes. This is done by selecting the number of units to be programmed in parallel and their order such that all the units programmed together are from distinct planes, by comparing the units to be programmed to see if any are from the same plane, or a combination of these. In a second, complementary aspect, the rate at which the voltage levels on the bit lines are changed is adjustable. By monitoring the frequency of disturbs, or based upon the device's application, the rate at which the bit line drivers change the bit line voltage can be adjusted. This can be implemented by setting the rate externally, or by the controller based upon device performance and the amount of data error being generated.
    • 在非易失性存储器中,在阵列位线上的电压电平改变时产生的未选择字线中产生的位移电流可能导致干扰。 提出了减少这些电流的技术。 在第一方面,减少了在字线上同时编程的单元的数量。 在非易失性存储器中,存储器单元阵列由多个单元组成,并且单元被组合成共享公共字线的平面,避免同一平面内的单元的同时编程。 多个单元可以并行编程,但是它们被布置成处于分开的平面中。 这是通过选择并行编程的单元数量及其顺序,使得所有编程在一起的单元都来自不同的平面,通过比较要编程的单元以查看是否来自同一平面,或者组合 这些。 在第二个互补方面,位线上的电压电平改变的速率是可调节的。 通过监视干扰的频率,或者基于设备的应用,可以调整位线驱动器改变位线电压的速率。 这可以通过外部设置速率或由控制器基于设备性能和产生的数据错误量来实现。
    • 2. 发明授权
    • Method of reducing disturbs in non-volatile memory
    • 减少非易失性存储器中的干扰的方法
    • US06977844B2
    • 2005-12-20
    • US11054084
    • 2005-02-08
    • Daniel C. GutermanGeorge SamachisaBrian MurphyChi-Ming WangKhandker N. Quader
    • Daniel C. GutermanGeorge SamachisaBrian MurphyChi-Ming WangKhandker N. Quader
    • G11C16/02G11C16/12G11C16/04
    • G11C7/12G11C16/12G11C16/3427G11C29/02G11C29/021G11C29/028G11C29/50012G11C2029/1204
    • In a non-volatile memory, the displacement current generated in non-selected word lines that results when the voltage levels on an array's bit lines are changed can result in disturbs. Techniques for reducing these currents are presented. In a first aspect, the number of cells being simultaneously programmed on a word line is reduced. In a non-volatile memory where an array of memory cells is composed of a number of units, and the units are combined into planes that share common word lines, the simultaneous programming of units within the same plane is avoided. Multiple units may be programmed in parallel, but these are arranged to be in separate planes. This is done by selecting the number of units to be programmed in parallel and their order such that all the units programmed together are from distinct planes, by comparing the units to be programmed to see if any are from the same plane, or a combination of these. In a second, complementary aspect, the rate at which the voltage levels on the bit lines are changed is adjustable. By monitoring the frequency of disturbs, or based upon the device's application, the rate at which the bit line drivers change the bit line voltage can be adjusted. This can be implemented by setting the rate externally, or by the controller based upon device performance and the amount of data error being generated.
    • 在非易失性存储器中,在阵列位线上的电压电平改变时产生的未选择字线中产生的位移电流可能导致干扰。 提出了减少这些电流的技术。 在第一方面,减少了在字线上同时编程的单元的数量。 在非易失性存储器中,存储器单元阵列由多个单元组成,并且单元被组合成共享公共字线的平面,避免同一平面内的单元的同时编程。 多个单元可以并行编程,但是它们被布置成处于分开的平面中。 这是通过选择并行编程的单元数量及其顺序,使得所有编程在一起的单元都来自不同的平面,通过比较要编程的单元以查看是否来自同一平面,或者组合 这些。 在第二个互补方面,位线上的电压电平改变的速率是可调节的。 通过监视干扰的频率,或者基于设备的应用,可以调整位线驱动器改变位线电压的速率。 这可以通过外部设置速率或由控制器基于设备性能和产生的数据错误量来实现。
    • 4. 发明授权
    • Method of reducing disturbs in non-volatile memory
    • 减少非易失性存储器中的干扰的方法
    • US06717851B2
    • 2004-04-06
    • US09759835
    • 2001-01-10
    • John S. ManganDaniel C. GutermanGeorge SamachisaBrian MurphyChi-Ming WangKhandker N. Quader
    • John S. ManganDaniel C. GutermanGeorge SamachisaBrian MurphyChi-Ming WangKhandker N. Quader
    • G11C1604
    • G11C7/12G11C16/12G11C16/3427G11C29/02G11C29/021G11C29/028G11C29/50012G11C2029/1204
    • In a non-volatile memory, the displacement current generated in non-selected word lines that results when the voltage levels on an array's bit lines are changed can result in disturbs. Techniques for reducing these currents are presented. In a first aspect, the number of cells being simultaneously programmed on a word line is reduced. In a non-volatile memory where an array of memory cells is composed of a number of units, and the units are combined into planes that share common word lines, the simultaneous programming of units within the same plane is avoided. Multiple units may be programmed in parallel, but these are arranged to be in separate planes. This is done by selecting the number of units to be programmed in parallel and their order such that all the units programmed together are from distinct planes, by comparing the units to be programmed to see if any are from the same plane, or a combination of these. In a second, complementary aspect, the rate at which the voltage levels on the bit lines are changed is adjustable. By monitoring the frequency of disturbs, or based upon the device's application, the rate at which the bit line drivers change the bit line voltage can be adjusted. This can be implemented by setting the rate externally, or by the controller based upon device performance and the amount of data error being generated.
    • 在非易失性存储器中,在阵列位线上的电压电平改变时产生的未选择字线中产生的位移电流可能导致干扰。 提出了减少这些电流的技术。 在第一方面,减少了在字线上同时编程的单元的数量。 在非易失性存储器中,存储器单元阵列由多个单元组成,并且单元被组合成共享公共字线的平面,避免同一平面内的单元的同时编程。 多个单元可以并行编程,但是它们被布置成处于分开的平面中。 这是通过选择并行编程的单元数量及其顺序,使得所有编程在一起的单元都来自不同的平面,通过比较要编程的单元以查看是否来自同一平面,或者组合 这些。 在第二个互补方面,位线上的电压电平改变的速率是可调节的。 通过监视干扰的频率,或者基于设备的应用,可以调整位线驱动器改变位线电压的速率。 这可以通过外部设置速率或由控制器基于设备性能和产生的数据错误量来实现。
    • 6. 发明授权
    • Method of reducing disturbs in non-volatile memory
    • 减少非易失性存储器中的干扰的方法
    • US06570785B1
    • 2003-05-27
    • US09703083
    • 2000-10-31
    • John S. ManganDaniel C. GutermanGeorge SamachisaBrian MurphyChi-Ming Wang
    • John S. ManganDaniel C. GutermanGeorge SamachisaBrian MurphyChi-Ming Wang
    • G11C1610
    • G11C16/12
    • In a non-volatile memory, the displacement current generated in non-selected word lines that results when the voltage levels on an array's bit lines are changed can result in disturbs. Techniques for reducing these currents are presented. In a first aspect, the number of cells being simultaneously programmed on a word line is reduced. In a non-volatile memory where an array of memory cells is composed of a number of units, and the units are combined into planes that share common word lines, the simultaneous programming of units within the same plane is avoided. Multiple units may be programmed in parallel, but these are arranged to be in separate planes. This is done by selecting the number of units to be programmed in parallel and their order such that all the units programmed together are from distinct planes, by comparing the units to be programmed to see if any are from the same plane, or a combination of these. In a second, complementary aspect, the rate at which the voltage levels on the bit lines are changed is adjustable. By monitoring the frequency of disturbs, or based upon the device's application, the rate at which the bit line drivers change the bit line voltage is adjusted. This can be implemented by setting the rate externally, or by the controller based upon device performance and the amount of data error being generated.
    • 在非易失性存储器中,在阵列位线上的电压电平改变时产生的未选择字线中产生的位移电流可能导致干扰。 提出了减少这些电流的技术。 在第一方面,减少了在字线上同时编程的单元的数量。 在非易失性存储器中,存储器单元阵列由多个单元组成,并且单元被组合成共享公共字线的平面,避免同一平面内的单元的同时编程。 多个单元可以并行编程,但是它们被布置成处于分开的平面中。 这是通过选择并行编程的单元数量及其顺序,使得所有编程在一起的单元都来自不同的平面,通过比较要编程的单元以查看是否来自同一平面,或者组合 这些。 在第二个互补方面,位线上的电压电平改变的速率是可调节的。 通过监视干扰的频率,或者基于设备的应用,调整位线驱动器改变位线电压的速率。 这可以通过外部设置速率或由控制器基于设备性能和产生的数据错误量来实现。
    • 8. 发明申请
    • Method of Reducing Disturbs in Non-Volatile Memory
    • 减少非易失性存储器中的干扰的方法
    • US20070076510A1
    • 2007-04-05
    • US11538521
    • 2006-10-04
    • John ManganDaniel GutermanGeorge SamachisaBrian MurphyChi-Ming WangKhandker Quader
    • John ManganDaniel GutermanGeorge SamachisaBrian MurphyChi-Ming WangKhandker Quader
    • G11C8/00
    • G11C7/12G11C16/12G11C16/3427G11C29/02G11C29/021G11C29/028G11C29/50012G11C2029/1204
    • In a non-volatile memory, the displacement current generated in non-selected word lines that results when the voltage levels on an array's bit lines are changed can result in disturbs. Techniques for reducing these currents are presented. In a first aspect, the number of cells being simultaneously programmed on a word line is reduced. In a non-volatile memory where an array of memory cells is composed of a number of units, and the units are combined into planes that share common word lines, the simultaneous programming of units within the same plane is avoided. Multiple units may be programmed in parallel, but these are arranged to be in separate planes. This is done by selecting the number of units to be programmed in parallel and their order such that all the units programmed together are from distinct planes, by comparing the units to be programmed to see if any are from the same plane, or a combination of these. In a second, complementary aspect, the rate at which the voltage levels on the bit lines are changed is adjustable. By monitoring the frequency of disturbs, or based upon the device's application, the rate at which the bit line drivers change the bit line voltage can be adjusted. This can be implemented by setting the rate externally, or by the controller based upon device performance and the amount of data error being generated.
    • 在非易失性存储器中,在阵列位线上的电压电平改变时产生的未选择字线中产生的位移电流可能导致干扰。 提出了减少这些电流的技术。 在第一方面,减少了在字线上同时编程的单元的数量。 在非易失性存储器中,存储器单元阵列由多个单元组成,并且单元被组合成共享公共字线的平面,避免同一平面内的单元的同时编程。 多个单元可以并行编程,但是它们被布置成处于分开的平面中。 这是通过选择并行编程的单元数量及其顺序,使得所有编程在一起的单元都来自不同的平面,通过比较要编程的单元以查看是否来自同一平面,或者组合 这些。 在第二个互补方面,位线上的电压电平改变的速率是可调节的。 通过监视干扰的频率,或者基于设备的应用,可以调整位线驱动器改变位线电压的速率。 这可以通过外部设置速率或由控制器基于设备性能和产生的数据错误量来实现。