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    • 6. 发明授权
    • Semiconductor memory device
    • 半导体存储器件
    • US07821867B2
    • 2010-10-26
    • US12344654
    • 2008-12-29
    • Sun-Suk Yang
    • Sun-Suk Yang
    • G11C8/00
    • G11C7/1051G11C5/066G11C7/1006G11C7/1057G11C7/1078G11C7/1084G11C8/12G11C8/18
    • A semiconductor memory device includes a plurality of address pads, a plurality of data pads, a mode entry controlling unit configured to control the entry to a data masking mode in response to a write command signal and signals inputted through predetermined pads among the plurality of address pads, a signal classifying unit configured to classify signals inputted sequentially and in parallel through the plurality of address pads into column address signals and data masking signals in response to an output signal of the mode entry controlling unit and a write latency signal, and a pad masking signal generating unit configured to generate pad masking signals to control the masking of data inputted through the plurality of data pads, where the pad masking signals are generated by converting the data masking signals in response to the output signal of the mode entry controlling unit.
    • 半导体存储器件包括多个地址焊盘,多个数据焊盘,模式输入控制单元,被配置为响应写入命令信号和多个地址中的预定焊盘输入的信号来控制条目到数据屏蔽模式 焊盘,信号分类单元,被配置为响应于模式输入控制单元的输出信号和写等待时间信号,将通过多个地址焊盘顺序地并行地输入的信号分类成列地址信号和数据屏蔽信号;以及焊盘 掩模信号生成单元,被配置为生成焊盘掩蔽信号,以控制通过所述多个数据焊盘输入的数据的掩蔽,其中通过响应于所述模式输入控制单元的输出信号转换所述数据屏蔽信号来生成焊盘屏蔽信号。
    • 7. 发明授权
    • On-die termination circuit and method for semiconductor memory apparatus
    • 半导体存储装置的片上终端电路和方法
    • US07525337B2
    • 2009-04-28
    • US11602284
    • 2006-11-21
    • Jung-Hoon ParkSun-Suk Yang
    • Jung-Hoon ParkSun-Suk Yang
    • H03K17/16H03K19/003
    • H03K19/0005G11C5/063G11C7/1051G11C7/1057G11C7/1078G11C7/1084H04L25/0272H04L25/0298H04L25/063
    • An on-die termination circuit for semiconductor memory apparatus includes an ODT (On Die Termination) input driving unit that divides an input voltage on the basis of a resistance ratio according to a first code Pcode having at least two bits and outputs a first line voltage, a first ODT control unit that counts the first code or resets the first code to a first set value according to whether or not the first line voltage and a reference voltage match with each other, an ODT output driving unit that divides an input voltage on the basis of the resistance ratio according to the first code and a resistance ratio according to a second code having at least two bits and outputs a second line voltage, and a second ODT control unit that counts the second code or resets the second code to a second set value according to whether or not the second line voltage and the reference voltage are consistent with each other.
    • 用于半导体存储装置的片上终端电路包括:ODT(On Die Termination)输入驱动单元,其根据具有至少两个位的第一代码Pcode <0:N>根据电阻比分割输入电压,以及 输出第一线电压,第一ODT控制单元,其对第一代码进行计数,或者根据第一线电压和参考电压是否彼此匹配来将第一代码重置为第一设定值; ODT输出驱动单元, 根据第一代码和电阻比根据具有至少两个比特的第二代码并输出第二线电压的电阻比分压输入电压,以及计数第二代码或复位的第二ODT控制单元 根据第二线电压和参考电压是否彼此一致,将第二代码设置为第二设定值。