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    • 52. 发明授权
    • Memory circuit, a dynamic random access memory, a system comprising a memory and a floating point unit and a method for storing digital data
    • 存储器电路,动态随机存取存储器,包括存储器和浮点单元的系统以及用于存储数字数据的方法
    • US07515456B2
    • 2009-04-07
    • US11530858
    • 2006-09-11
    • Peter MayerWolfgang SpirklMarkus BalbChristoph BilgerMartin BroxThomas HeinMichael Richter
    • Peter MayerWolfgang SpirklMarkus BalbChristoph BilgerMartin BroxThomas HeinMichael Richter
    • G11C11/00
    • G11C7/16G11C7/1006G11C7/1051G11C7/1069G11C7/1078G11C7/1096G11C11/4085G11C11/4096
    • A memory circuit comprises a D/A converter connected with an input/output circuit and with a writing circuit, wherein the D/A converter converts a digital data with at least two digital bits received from the input/output circuit to one analog value and forwards the analog value to the writing circuit, wherein the digital data is at least a part of a floating point number, wherein the writing circuit writes the analog value in at least one selected memory cell, and an A/D converter connected with a reading circuit and with the input/output circuit, wherein the reading circuit reads an analog value from a selected memory cell and forwards the analog value to the A/D converter, wherein the A/D converter converts the analog value to digital data, and wherein the A/D converter forwards the digital data to the input/output circuit. Furthermore, a method is provided for reading data from at least one memory cell of a memory, wherein an analog value is read from the memory cell and the analog value is corrected according to a correction factor representing a storage time the analog value was stored and wherein the corrected analog value is converted to digital data.
    • 存储电路包括与输入/输出电路和写入电路连接的D / A转换器,其中D / A转换器将具有从输入/输出电路接收的至少两个数字位的数字数据转换成一个模拟值, 将模拟值转发到写入电路,其中数字数据是浮点数的至少一部分,其中写入电路将模拟值写入至少一个选择的存储单元,以及与读取器连接的A / D转换器 电路和输入/输出电路,其中读取电路从所选择的存储器单元读取模拟值并将模拟值转发到A / D转换器,其中A / D转换器将模拟值转换为数字数据,其中 A / D转换器将数字数据转发到输入/输出电路。 此外,提供一种用于从存储器的至少一个存储单元读取数据的方法,其中从存储器单元读取模拟值,并且根据表示存储模拟值的存储时间的校正因子来校正模拟值,以及 其中所述经修正的模拟值被转换为数字数据。
    • 53. 发明申请
    • Circuit
    • 电路
    • US20080225603A1
    • 2008-09-18
    • US11726401
    • 2007-03-21
    • Thomas Hein
    • Thomas Hein
    • G11C7/10G11C8/18
    • G11C7/1051G11C7/1066G11C7/1072G11C7/1078G11C7/1093
    • An embodiment of a circuit includes an output buffer, a data interface which is at least in a position to transmit data, the data interface being coupled to an output of the output buffer, a command/address interface coupled to an input of the output buffer, a memory core coupled to the input of the output buffer, and a controller circuit configured to cause data stored within the output buffer to be output to the data interface, further configured to cause data stored within the memory core to be output to the input of the output buffer, so that the data is stored within the output buffer, and further configured to cause provision of data received at the command/address interface to the input of the output buffer, so that the data is stored within the output buffer.
    • 电路的一个实施例包括一个输出缓冲器,至少在一个位置上传输数据的数据接口,该数据接口耦合到该输出缓冲器的一个输出端;一个命令/地址接口,耦合到输出缓冲器的输入端 耦合到所述输出缓冲器的输入的存储器核心;以及控制器电路,被配置为将存储在所述输出缓冲器内的数据输出到所述数据接口,还被配置为使存储在所述存储器核心内的数据输出到所述输入 ,使得数据存储在输出缓冲器内,并进一步被配置为使得在命令/地址接口处接收到的数据提供给输出缓冲器的输入,使得数据被存储在输出缓冲器内。
    • 55. 发明申请
    • Read latency control circuit
    • 读延迟控制电路
    • US20050270852A1
    • 2005-12-08
    • US11136712
    • 2005-05-25
    • Stefan DietrichThomas HeinPatrick HeynePeter Schroegmeier
    • Stefan DietrichThomas HeinPatrick HeynePeter Schroegmeier
    • G06F3/06G11C7/22G11C11/4076
    • G11C11/4076G11C7/1066G11C7/20G11C7/22G11C7/222G11C11/4072G11C2207/2272
    • The invention provides a method for setting and controlling a read latency (L) by means of a FIFO-based read latency control circuit for a read access to a semiconductor memory, having the method steps of providing a common internal clock signal; generating an internal first clock signal and an internal second clock signal, which is different from the first clock signal, from the common clock signal; generating an output pointer for reading out the read data from the first clock signal; generating an input pointer for reading in the read data from the second clock signal; initializing the input and output pointers by allocating a defined, fixedly predetermined time offset between output pointer and input pointer. The invention furthermore provides a corresponding circuit arrangement for carrying out the method.
    • 本发明提供了一种用于通过用于对半导体存储器的读取访问的基于FIFO的读延迟控制电路来设置和控制读延迟(L)的方法,具有提供公共内部时钟信号的方法步骤; 从公共时钟信号产生与第一时钟信号不同的内部第一时钟信号和内部第二时钟信号; 产生用于从所述第一时钟信号读出读取数据的输出指针; 生成用于从所述第二时钟信号读取所述读取数据的输入指针; 通过在输出指针和输入指针之间分配定义的,固定地预定的时间偏移来初始化输入和输出指针。 本发明还提供了一种用于执行该方法的相应电路装置。
    • 57. 发明授权
    • Calibration configuration
    • 校准配置
    • US06946848B2
    • 2005-09-20
    • US10673965
    • 2003-09-29
    • Andreas TäuberThomas HeinAaron Nygren
    • Andreas TäuberThomas HeinAaron Nygren
    • G01R35/00G01R31/00G01R27/08G01R21/36
    • G01R35/007
    • A calibration configuration for setting an adjustable impedance has a voltage divider with a variable resistor and a resistor connected in series, which circuit is supplied with potentials of a supply voltage and has, between the resistors, a partial voltage tap off terminal. A circuit has a further resistor, whose value is in a fixed relationship with a resistance of the first voltage divider resistor, and generates a voltage dependent upon a value derived from the further resistor. The voltage and the partial voltage are fed to a comparator for outputting a comparison result to a downstream control logic unit, which logic unit is coupled to the resistor of the first voltage divider and generates a control signal dependent upon the comparator output signal. The control logic unit control signal is used to set the variable resistor until the voltages fed to the comparator correspond to one another.
    • 用于设置可调阻抗的校准配置具有分压器,其具有可变电阻器和串联连接的电阻器,该电路被供给电源电压,并且在电阻器之间具有部分电压抽头端子。 电路具有另一个电阻,其值与第一分压电阻器的电阻成固定关系,并且产生取决于从另一电阻器导出的值的电压。 电压和部分电压被馈送到比较器,用于将比较结果输出到下游控制逻辑单元,该逻辑单元耦合到第一分压器的电阻器,并根据比较器输出信号产生控制信号。 控制逻辑单元控制信号用于设置可变电阻,直到馈送到比较器的电压彼此相对应。