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    • 1. 发明授权
    • Power-up circuit for semiconductor memory device
    • 半导体存储器件的上电电路
    • US08035428B2
    • 2011-10-11
    • US12495282
    • 2009-06-30
    • Khil-Ohk Kang
    • Khil-Ohk Kang
    • H03L7/00
    • H03K17/20G11C5/143
    • A power-up circuit for a semiconductor memory device includes a voltage division unit configured to divide a power supply voltage, a first power-up generation unit configured to detect a voltage level of a first divided voltage of the voltage division unit during an initial stage of applying a power supply to generate a first power-up signal and a second power-up generation unit configured to detect a voltage level of a second divided voltage of the voltage division unit, after the first power-up signal is generated from the first power-up generation unit, to generate a second power-up signal.
    • 半导体存储器件的上电电路包括:分压单元,被配置为分配电源电压;第一上电生成单元,被配置为在初始阶段检测分压单元的第一分压的电压电平 施加电源以产生第一上电信号;以及第二上电生成单元,被配置为在从所述第一上电信号生成所述第一上电信号之后检测所述分压单元的第二分压的电压电平 上电生成单元,以产生第二上电信号。
    • 4. 发明授权
    • Semiconductor memory device and method of inputting addresses therein
    • 半导体存储器件及其中输入地址的方法
    • US07697368B2
    • 2010-04-13
    • US11967577
    • 2007-12-31
    • Khil-Ohk Kang
    • Khil-Ohk Kang
    • G11C11/00
    • G11C29/48G11C8/06G11C29/1201
    • A semiconductor memory device is capable of reducing a test time by sharing input pins of addresses for the test, thereby reducing test costs also. The semiconductor memory device includes first and second address buffer units. The first address buffer unit is configured to transmit a plurality of normal addresses to an internal circuit and store one or more of the received normal addresses. The second address buffer unit is configured to transmit one or more external bank addresses to the internal circuit as internal bank addresses in a normal mode and transmit addresses stored in the first address buffer unit to the internal circuit as the internal bank addresses in a test mode.
    • 半导体存储器件能够通过共享用于测试的地址的输入引脚来减少测试时间,从而降低测试成本。 半导体存储器件包括第一和第二地址缓冲器单元。 第一地址缓冲器单元被配置为向内部电路发送多个正常地址,并且存储所接收的正常地址中的一个或多个。 第二地址缓冲器单元被配置为将内部电路中的一个或多个外部存储体地址作为正常模式的内部存储体地址发送,并且将内部存储在第一地址缓冲器单元中的地址作为内部存储体以测试模式地址发送到内部电路 。
    • 6. 发明申请
    • SEMICONDUCTOR MEMORY DEVICE AND METHOD FOR DRIVING THE SAME
    • 半导体存储器件及其驱动方法
    • US20100014361A1
    • 2010-01-21
    • US12565587
    • 2009-09-23
    • Khil-Ohk KANG
    • Khil-Ohk KANG
    • G11C7/06G11C7/02
    • G11C11/4091G11C7/08
    • A semiconductor memory device can stabilize a voltage level of a normal driving voltage terminal in a normal driving operation, which is performed after an overdriving operation, even when an overdriving voltage is unstable due to environmental factors of the semiconductor memory device in the overdriving operation. The semiconductor memory device includes a bit line sense amplifier for performing an amplification operation using a normal driving voltage or an overdriving voltage to sense and amplify data applied to bit lines, a normal driving voltage compensator configured to drive a normal driving voltage terminal according to a voltage level of the normal driving voltage terminal and target normal driving voltage levels, and a discharge enable signal generator configured to generate a discharge enable signal by adjusting an activation period of the discharge enable signal according to the overdriving voltage.
    • 半导体存储器件即使在过驱动操作中由于半导体存储器件的环境因素导致过驱动电压不稳定,也能够在过驱动之后执行的正常驱动操作中稳定正常驱动电压端子的电压电平。 半导体存储器件包括:位线读出放大器,用于使用正常驱动电压或过驱动电压进行放大操作,以检测和放大施加到位线的数据;正常驱动电压补偿器,被配置为驱动正常驱动电压端子, 正常驱动电压端子的电压电平和目标正常驱动电压电平,以及放电使能信号发生器,被配置为通过根据过驱动电压调节放电使能信号的激活周期来产生放电使能信号。
    • 7. 发明申请
    • Semiconductor memory device and method of operating the same
    • 半导体存储器件及其操作方法
    • US20090168553A1
    • 2009-07-02
    • US12217045
    • 2008-06-30
    • Khil-Ohk Kang
    • Khil-Ohk Kang
    • G11C7/00
    • G11C11/4074G11C5/143G11C5/147G11C11/4072
    • Semiconductor memory device and method of operating the same includes an enable signal generator configured to generate first and second enable signals having activation timings determined in response to activation of an active command, the first enable signal being deactivated after a first time from a deactivation timing of the active command, and the second enable signal being deactivated after a second time longer than the first time from the deactivation timing of the active command. Internal voltage generators are configured to generate internal voltages. At least one of the internal voltage generators is turned on/off in response to the first enable signal, and at least one other of the internal voltage generators is turned on/off in response to the second enable signals.
    • 半导体存储器件及其操作方法包括使能信号发生器,其被配置为产生具有响应于有效命令的激活而确定的激活定时的第一和第二使能信号,所述第一使能信号在第一次从停止定时 所述激活命令和所述第二使能信号在从所述激活命令的去激活定时开始的第二时间长于所述第一时间之后被去激活。 内部电压发生器配置为产生内部电压。 内部电压发生器中的至少一个响应于第一使能信号而导通/截止,并且内部电压发生器中的至少一个响应于第二使能信号而导通/截止。
    • 8. 发明授权
    • Semiconductor memory device
    • 半导体存储器件
    • US07539072B2
    • 2009-05-26
    • US11647707
    • 2006-12-29
    • Khil-Ohk Kang
    • Khil-Ohk Kang
    • G11C7/00G11C8/00
    • G11C5/14G11C5/147
    • A semiconductor memory device generates an internal voltage by using one detecting circuit at the burn-in and normal modes. The semiconductor memory device includes a burn-in adjusting circuit to produce a burn-in mode test signal, a first reference voltage generating circuit to produce a first reference voltage for a burn-in test in response to the burn-in mode test signal, a second reference voltage generating circuit to produce a second reference voltage for a normal mode, a detecting circuit for detecting voltage levels of the first and second reference voltages and outputting a detection signal and an internal voltage generating circuit for generating an internal voltage in response to the detection signal.
    • 半导体存储器件通过在老化模式和正常模式下使用一个检测电路产生内部电压。 该半导体存储器件包括一个产生老化模式测试信号的老化调节电路,一个响应于老化模式测试信号产生老化测试的第一参考电压的第一参考电压产生电路, 第二参考电压产生电路,用于产生用于正常模式的第二参考电压;检测电路,用于检测第一和第二参考电压的电压电平,并输出检测信号;以及内部电压产生电路,用于响应于 检测信号。
    • 9. 发明申请
    • Semiconductor device
    • 半导体器件
    • US20080303504A1
    • 2008-12-11
    • US11987936
    • 2007-12-06
    • Khil-Ohk KangSang-Jin Byeon
    • Khil-Ohk KangSang-Jin Byeon
    • G05F3/16
    • G05F3/30G11C5/143G11C5/147G11C7/04
    • A semiconductor device includes: a first reference voltage generator for generating a first reference voltage; a first band gap circuit for dividing a voltage at a second reference voltage output node to produce a first and a second band gap voltages having a property relative to temperature variations; a first comparator for receiving the first reference voltage as a bias input and comparing the first band gap voltage with the second band gap voltage; and a first driver for pull-up driving the second reference voltage output node in response to an output signal of the first comparator.
    • 半导体器件包括:用于产生第一参考电压的第一参考电压发生器; 第一带隙电路,用于分割第二参考电压输出节点处的电压,以产生具有相对于温度变化的性质的第一和第二带隙电压; 第一比较器,用于接收第一参考电压作为偏置输入,并将第一带隙电压与第二带隙电压进行比较; 以及用于响应于第一比较器的输出信号上拉驱动第二参考电压输出节点的第一驱动器。