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    • 22. 发明授权
    • Latency time circuit for an S-DRAM
    • S-DRAM的延迟时间电路
    • US06819624B2
    • 2004-11-16
    • US10249029
    • 2003-03-11
    • Pramod AcharyaStefan DietrichSabine KieserPeter Schroegmeier
    • Pramod AcharyaStefan DietrichSabine KieserPeter Schroegmeier
    • G11C800
    • G11C7/222G11C7/1072H03L7/0814
    • Latency time circuit for an S-DRAM, which is clocked by a high-frequency clock signal for producing a delayed data enable control signal for synchronous data transfer through a data path of the S-DRAM, having at least one controllable latency time generator for delaying a decoded data enable control signal with an adjustable latency time, characterized by at least one comparison circuit, which compares the cycle time of the high-frequency clock signal with a predetermined decoding time and by a signal delay circuit which can be switched on by means of the comparison circuit in order to delay the decoded data enable control signal with a predetermined delay time, in which the signal delay circuit is switched on by the comparison circuit when the cycle time of the clock signal is in a limit time region which is located about the predetermined decoding time.
    • S-DRAM的延迟时间电路,其由高频时钟信号计时,用于产生用于通过S-DRAM的数据路径进行同步数据传输的延迟数据使能控制信号,具有至少一个可控延迟时间发生器,用于 延迟具有可调延迟时间的解码数据使能控制信号,其特征在于至少一个比较电路,该比较电路将高频时钟信号的周期时间与预定的解码时间进行比较,以及通过信号延迟电路可以被接通 比较电路的装置,以便在预定的延迟时间延迟解码的数据使能控制信号,其中当时钟信号的周期时间处于限制时间区域时,信号延迟电路被比较电路接通 位于预定的解码时间。
    • 23. 发明授权
    • DDR memory and storage method
    • DDR内存和存储方式
    • US06731567B2
    • 2004-05-04
    • US10350482
    • 2003-01-24
    • Pramod AcharyaStefan DietrichSabine KieserPeter Schroegmeier
    • Pramod AcharyaStefan DietrichSabine KieserPeter Schroegmeier
    • G11C800
    • G11C7/1066G11C7/1006G11C11/4093G11C2207/107
    • The invention relates to a DDR memory and to a storage method for storing data in a DDR memory having a plurality of memory cells which each have a prescribed word length, in which a serial data input is used to read in serial data on a rising or falling edge of the data clock signal, and a serial-parallel converter is used to put together a prescribed number of data items from the data read in to give a prescribed number of words from data words having the prescribed word length. To make transferring the data from one synchronization area to another synchronization area, and resynchronization thereof, more reliable, the invention involves an interface memory copying the at least one data word from the serial-parallel converter upon receipt of a copy signal which is synchronous with the data block signal and outputting it to a bus upon receipt of an output signal which is synchronous with the system clock signal.
    • 本发明涉及DDR存储器和存储方法,用于将数据存储在具有多个存储单元的DDR存储器中,每个存储器单元具有规定的字长,其中使用串行数据输入来读取串行数据上升或 数据时钟信号的下降沿和串行 - 并行转换器用于将从读取的数据中的规定数量的数据项组合在一起,以从具有规定字长的数据字中给出规定数量的字。为了传送 数据从一个同步区域到另一个同步区域,并且其再同步更可靠,本发明涉及一种接收存储器,该接口存储器在接收到与数据块信号同步的复制信号时从串行 - 并行转换器复制至少一个数据字 并在接收到与系统时钟信号同步的输出信号时将其输出到总线。