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    • 2. 发明授权
    • Semiconductor memory device having a current consumption reduction in a data write path
    • 具有在数据写入路径中消耗电流消耗的半导体存储器件
    • US07948807B2
    • 2011-05-24
    • US11964136
    • 2007-12-26
    • Ki Chon Park
    • Ki Chon Park
    • G11C7/10
    • G11C7/10G11C7/1006G11C7/1012G11C7/1078G11C7/1096
    • The present invention describes a semiconductor memory device that can reduce current consumption occurring in a data write path. The semiconductor memory device includes a write path over which any one of general data and representative data corresponding to a particular mode is transferred in correspondence with a prescribed pad. A routing controller allows the representative data to be routed over a transfer path corresponding to any other pads in the particular mode and prevents the general data from being routed over the transfer path in modes other than the particular mode. The semiconductor memory device can reduce current consumption caused by unnecessary toggling of the data through utilization of the routing controller.
    • 本发明描述了可以减少在数据写入路径中发生的电流消耗的半导体存储器件。 半导体存储器件包括与通常数据和对应于特定模式的代表数据中的任何一个对应于规定的焊盘传送的写入路径。 路由控制器允许代表性数据通过与特定模式中的任何其它焊盘相对应的传输路径进行路由,并防止通用数据在特定模式以外的模式下通过传输路径进行路由。 半导体存储器件可以通过利用路由控制器来减少由不必要的数据切换引起的电流消耗。
    • 3. 发明授权
    • Circuit and method for generating internal clock signal
    • 用于产生内部时钟信号的电路和方法
    • US07009439B2
    • 2006-03-07
    • US10736722
    • 2003-12-16
    • Ki Chon Park
    • Ki Chon Park
    • H03K21/00
    • G11C7/222G11C7/1072H03K5/159
    • The present invention relates to a circuit and method for generating an internal clock signal. According to the present invention, it is determined whether an external clock signal is a high frequency or a low frequency. Depending on the determination, the external clock signal is waveform-shaped to generate an internal clock signal or the external clock signal as the internal clock signal as it is. Therefore, rising edge timings of the external clock signal and the internal clock signal become coincident regardless of the frequency of the external clock signal. Reduction in an operating margin within the circuit due to reduction in the pulse width of the internal clock signal is prevented. Thus, the circuit of the present invention can be used in the high frequency and the low frequency at the same time and reliability of the circuit can be improved.
    • 本发明涉及一种用于产生内部时钟信号的电路和方法。 根据本发明,确定外部时钟信号是高频还是低频。 根据确定,外部时钟信号是波形形状的,以产生内部时钟信号或外部时钟信号作为内部时钟信号。 因此,与外部时钟信号的频率无关,外部时钟信号和内部时钟信号的上升沿定时变得一致。 防止由于内部时钟信号的脉冲宽度的减小而减小电路内的工作裕度。 因此,本发明的电路可以同时用于高频和低频,并且可以提高电路的可靠性。
    • 7. 发明授权
    • Semiconductor memory device having reduced current consumption during data mask function
    • 半导体存储器件在数据掩模功能期间具有降低的电流消耗
    • US07843759B2
    • 2010-11-30
    • US12206824
    • 2008-09-09
    • Ki Chon Park
    • Ki Chon Park
    • G11C8/00
    • G11C7/1006G11C7/1009G11C2207/2227
    • The present invention describes a semiconductor memory device having a data mask function and includes a common driving control unit for generating a common driving control signal in response to a data mask signal and a write command signal supplied to the common driving control unit. A plurality of driving units are supplied with the common driving control signal and selectively drive data according to the common driving control signal and transmit the driven data to a plurality of data lines, respectively. Accordingly, a driving and data mask operation of the plurality of driving units is controlled by the common driving control unit, which reduces current consumption and a layout area of the circuit.
    • 本发明描述了具有数据掩模功能的半导体存储器件,并且包括用于响应于提供给公共驱动控制单元的数据屏蔽信号和写入命令信号产生公共驱动控制信号的公共驱动控制单元。 向多个驱动单元提供公共驱动控制信号,并根据公共驱动控制信号选择性地驱动数据,并将驱动数据分别发送到多条数据线。 因此,多个驱动单元的驱动和数据掩模操作由公共驱动控制单元控制,这降低了电流消耗和电路的布局面积。