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1. 发明申请

US20050276126A1 Programmable impedance control circuit in semiconductor device and impedance range shifting method thereof 有权
标题翻译：半导体器件中的可编程阻抗控制电路及其阻抗范围移位方法
公开(公告)号：US20050276126A1
公开(公告)日：2005-12-15
申请号：US11153755
申请日：2005-06-14
申请人： Myung-Han Choi , Young-Dae Lee , Chul-Sung Park
发明人： Myung-Han Choi , Young-Dae Lee , Chul-Sung Park
IPC分类号： H03K19/0175 , G11C5/00 , H03K19/00
CPC分类号： H03K19/0005
摘要： A programmable impedance control circuit for use in a semiconductor device having an impedance range shifting function prevents or substantially reduces an impedance detection failure based on an environment change. An impedance detector includes a first array driver, a second array driver, and an impedance matching transistor array and a range shifting transistor array independently controlled by the first and second array drivers. A comparator each compares first and second output voltage levels of the impedance detector with an array reference voltage, and outputs an up/down signal as the comparison result. A counter performs an up/down counting in response to the up/down signal, and outputs control code data. A range shifting circuit monitors a counting output of the counter and so generates range shifting data. Whereby, even if there is an environment change on a manufacturing process, power source voltage or operating temperature, etc., an impedance matching and correction operation can be performed without a waste of impedance matching transistor array and control code.
摘要翻译：用于具有阻抗范围移位功能的半导体器件中的可编程阻抗控制电路防止或基本上减少了基于环境变化的阻抗检测失败。阻抗检测器包括第一阵列驱动器，第二阵列驱动器和阻抗匹配晶体管阵列以及由第一和第二阵列驱动器独立控制的量程移位晶体管阵列。比较器每个将阻抗检测器的第一和第二输出电压电平与阵列参考电压进行比较，并输出上/下信号作为比较结果。计数器响应于上/下信号执行向上/向下计数，并输出控制代码数据。范围移动电路监视计数器的计数输出，因此产生范围移位数据。因此，即使在制造过程中存在环境变化，电源电压或工作温度等，也可以进行阻抗匹配和校正操作，而不会浪费阻抗匹配晶体管阵列和控制代码。

2. 发明授权

US07362128B2 Programmable impedance control circuit in semiconductor device and impedance range shifting method thereof 有权
标题翻译：半导体器件中的可编程阻抗控制电路及其阻抗范围移位方法
公开(公告)号：US07362128B2
公开(公告)日：2008-04-22
申请号：US11153755
申请日：2005-06-14
申请人： Myung-Han Choi , Young-Dae Lee , Chul-Sung Park
发明人： Myung-Han Choi , Young-Dae Lee , Chul-Sung Park
IPC分类号： H03K17/16
CPC分类号： H03K19/0005
摘要： A programmable impedance control circuit for use in a semiconductor device having an impedance range shifting function prevents or substantially reduces an impedance detection failure based on an environment change. An impedance detector includes a first array driver, a second array driver, and an impedance matching transistor array and a range shifting transistor array independently controlled by the first and second array drivers. A comparator each compares first and second output voltage levels of the impedance detector with an array reference voltage, and outputs an up/down signal as the comparison result. A counter performs an up/down counting in response to the up/down signal, and outputs control code data. A range shifting circuit monitors a counting output of the counter and so generates range shifting data. Whereby, even if there is an environment change on a manufacturing process, power source voltage or operating temperature, etc., an impedance matching and correction operation can be performed without a waste of impedance matching transistor array and control code.
摘要翻译：用于具有阻抗范围移位功能的半导体器件中的可编程阻抗控制电路防止或基本上减少了基于环境变化的阻抗检测失败。阻抗检测器包括第一阵列驱动器，第二阵列驱动器和阻抗匹配晶体管阵列以及由第一和第二阵列驱动器独立控制的量程移位晶体管阵列。比较器每个将阻抗检测器的第一和第二输出电压电平与阵列参考电压进行比较，并输出上/下信号作为比较结果。计数器响应于上/下信号执行向上/向下计数，并输出控制代码数据。范围移动电路监视计数器的计数输出，因此产生范围移位数据。因此，即使在制造过程中存在环境变化，电源电压或工作温度等，也可以进行阻抗匹配和校正操作，而不会浪费阻抗匹配晶体管阵列和控制代码。

3. 发明授权

US07288966B2 Programmable impedance controller and method for operating 有权
标题翻译：可编程阻抗控制器和操作方法
公开(公告)号：US07288966B2
公开(公告)日：2007-10-30
申请号：US11175634
申请日：2005-07-05
申请人： Myung-Han Choi , Nam-Seog Kim , Chul-Sung Park
发明人： Myung-Han Choi , Nam-Seog Kim , Chul-Sung Park
IPC分类号： H03K19/0175
CPC分类号： H04L25/0278 , H03K19/0005
摘要： A programmable impedance controller and a method of operating to prevent or substantially reduce internal noise and an influence from external noise lasting for a long time. The programmable impedance controller for comparing a pad voltage of a pad connected to an external determination impedance with a reference voltage, and for outputting an impedance control signal, and for performing a digital coding to an impedance code corresponding to the impedance control signal, includes a clock controller and a counter. The clock controller outputs a first clock signal in a reset mode and outputs a second clock signal in an operating mode, in response to an applied clock signal. The counter sequentially updates code data, one code step per clock period, in response to the first clock signal in the reset mode, and outputs update code data. In an operating mode, the counter outputs the update code data updated in the reset mode in response to the second clock signal.
摘要翻译：一种可编程阻抗控制器和一种操作方法，用于防止或大幅度地减少内部噪声以及长时间持续的外部噪声的影响。可编程阻抗控制器，用于将连接到外部确定阻抗的焊盘的焊盘电压与参考电压进行比较，并用于输出阻抗控制信号，以及对与阻抗控制信号相对应的阻抗代码执行数字编码，包括：时钟控制器和计数器。时钟控制器以复位模式输出第一时钟信号，并且响应于所施加的时钟信号而在操作模式下输出第二时钟信号。响应于复位模式中的第一时钟信号，计数器依次更新代码数据，每时钟周期的一个代码步长，并输出更新代码数据。在操作模式中，计数器响应于第二时钟信号输出以复位模式更新的更新代码数据。

4. 发明申请

US20050151561A1 Output driver for use in semiconductor device 有权
标题翻译：用于半导体器件的输出驱动器
公开(公告)号：US20050151561A1
公开(公告)日：2005-07-14
申请号：US11031723
申请日：2005-01-07
申请人： Myung-Han Choi , Hwa-Jin Kim , Young-Dae Lee
发明人： Myung-Han Choi , Hwa-Jin Kim , Young-Dae Lee
IPC分类号： G11C7/10 , H03K19/003
CPC分类号： H03K19/00384
摘要： There is provided an output driver for use in a semiconductor device capable of remarkably improving linearity of impedance by reducing or minimizing a change of an impedance for output data caused due to a change of an external power supply. The output driver for outputting internal data of a semiconductor device to the exterior of a chip comprises a first driving section including a driving transistor to maintain an impedance for applied data at a certain level in response to the data; and a second driving section for compensating for linearity of the impedance in response to an operation signal from the driving transistor of the first driving section and providing an output terminal with the data.
摘要翻译：提供了一种用于半导体器件的输出驱动器，其能够通过减少或最小化由于外部电源的变化引起的输出数据的阻抗的变化来显着提高阻抗的线性。用于将半导体器件的内部数据输出到芯片外部的输出驱动器包括：第一驱动部分，其包括驱动晶体管，以响应于该数据将应用数据的阻抗保持在一定水平; 以及第二驱动部分，用于响应于来自第一驱动部分的驱动晶体管的操作信号补偿阻抗的线性，并向输出端提供数据。

5. 发明授权

US07292068B2 Output driver for use in semiconductor device 有权
标题翻译：用于半导体器件的输出驱动器
公开(公告)号：US07292068B2
公开(公告)日：2007-11-06
申请号：US11031723
申请日：2005-01-07
申请人： Myung-Han Choi , Hwa-Jin Kim , Young-Dae Lee
发明人： Myung-Han Choi , Hwa-Jin Kim , Young-Dae Lee
IPC分类号： H03K19/0175
CPC分类号： H03K19/00384
摘要： There is provided an output driver for use in a semiconductor device capable of remarkably improving linearity of impedance by reducing or minimizing a change of an impedance for output data caused due to a change of an external power supply. The output driver for outputting internal data of a semiconductor device to the exterior of a chip comprises a first driving section including a driving transistor to maintain an impedance for applied data at a certain level in response to the data; and a second driving section for compensating for linearity of the impedance in response to an operation signal from the driving transistor of the first driving section and providing an output terminal with the data.
摘要翻译：提供了一种用于半导体器件的输出驱动器，其能够通过减少或最小化由于外部电源的变化引起的输出数据的阻抗的变化来显着提高阻抗的线性。用于将半导体器件的内部数据输出到芯片外部的输出驱动器包括：第一驱动部分，其包括驱动晶体管，以响应于该数据将应用数据的阻抗保持在一定水平; 以及第二驱动部分，用于响应于来自第一驱动部分的驱动晶体管的操作信号补偿阻抗的线性，并向输出端提供数据。

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