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    • 1. 发明授权
    • Data processing system having centralized memory refresh
    • 数据处理系统具有集中的内存刷新
    • US4317169A
    • 1982-02-23
    • US12081
    • 1979-02-14
    • William Panepinto, Jr.Ming T. MiuChester M. Nibby, Jr.Jian-Kuo Shen
    • William Panepinto, Jr.Ming T. MiuChester M. Nibby, Jr.Jian-Kuo Shen
    • G06F12/00G11C11/406G06F13/00
    • G11C11/406
    • In a data processing system which includes a central processing unit and one or more main memory units for storing program software instructions and program data, logic is provided within the CPU to signal the main memory units, comprised of semiconductor random access memory chips, that a memory refresh operation can be performed. The logic is organized such that the memory refresh operation signal may be given to the main memory units in parallel with and without detracting from other CPU operations. Further, logic is provided within the CPU to interrupt the CPU normal processing and perform a memory refresh operation if one has not been performed with a predetermined time period. Logic is provided within each main memory unit to accept the memory refresh signals from the CPU and to discard those memory refresh signals that would refresh the memory more frequently than required to retain the memory contents thus reducing main memory power consumption.
    • 在包括中央处理单元和用于存储程序软件指令和程序数据的一个或多个主存储器单元的数据处理系统中,在CPU内提供逻辑以对由半导体随机存取存储器芯片组成的主存储器单元进行信号, 可以执行存储器刷新操作。 逻辑被组织使得可以将存储器刷新操作信号并行并且不降低其他CPU操作的情况下给予主存储器单元。 此外,在CPU内提供中断CPU正常处理的逻辑,并且如果在预定时间段内未执行存储器刷新操作则执行存储器刷新操作。 在每个主存储器单元内提供逻辑以接受来自CPU的存储器刷新信号,并且丢弃将比保持存储器内容所需的频率更新的内存刷新信号,从而减少主存储器功耗的那些存储器刷新信号。
    • 4. 发明授权
    • Rotating chip selection technique and apparatus
    • 旋转芯片选择技术和装置
    • US4296467A
    • 1981-10-20
    • US921292
    • 1978-07-03
    • Chester M. Nibby, Jr.William Panepinto, Jr.
    • Chester M. Nibby, Jr.William Panepinto, Jr.
    • G06F12/06G11C11/407G11C13/00
    • G11C11/407G06F12/0669
    • A memory subsystem includes at least one up to a number of memory module boards identical in layout and construction. The board includes a number of memory chips which are positioned at an initial physical row location providing a predetermined number of addressable contiguous memory locations corresponding to a predetermined increment of memory capacity. The board further includes a register for receiving address signals for accessing the contents of a memory location, rotating chip selection circuits which include a set of switches and an arithmetic unit having first and second sets of input terminals. The first set of input terminals is connected to the register for receiving predetermined ones of the address signals representative of the physical row location of chips being addressed and the second set of input terminals are connected to receive signals from the set of switches. The arithmetic unit operates to perform a predetermined arithmetic operation upon the signals applied to the sets of input terminals to generate a set of logical row address signals for enabling the number of chips at the initial row location.
    • 存储器子系统包括至少一个在布局和结构上相同的多个存储器模块板。 该板包括多个存储器芯片,这些存储器芯片位于初始物理行位置,提供对应于预定增量的存储器容量的预定数量的可寻址连续存储器位置。 板还包括一个寄存器,用于接收访问存储器位置的内容的地址信号,旋转芯片选择电路包括一组开关和具有第一组和第二组输入端的运算单元。 第一组输入端子连接到寄存器,用于接收表示正在寻址的芯片的物理行位置的预定的地址信号,并且第二组输入端子被连接以从该组开关接收信号。 算术单元操作以对施加到输入端子组的信号执行预定的算术运算,以产生用于使初始行位置处的码片数量的一组逻辑行地址信号。
    • 8. 发明授权
    • Memory present apparatus
    • 存储器设备
    • US4303993A
    • 1981-12-01
    • US83438
    • 1979-10-10
    • William Panepinto, Jr.Chester M. Nibby, Jr.
    • William Panepinto, Jr.Chester M. Nibby, Jr.
    • G06F12/06G11C8/12G11C13/00
    • G06F12/0669G11C8/12
    • A memory subsystem includes at least one up to a number of memory module boards identical in layout and construction. The board includes a number of memory chips which are positioned in a number of physical row locations together providing a predetermined number of addressable contiguous memory locations corresponding to a predetermined increment of memory capacity. The board includes a set of switches whose input terminals are connected to receive predetermined ones of a plurality of address signals. These predetermined signals are coded specifying the segments of memory being accessed. The signals applied to the switch output terminals are logically combined and the resulting signal is applied to a group of memory present circuits connected to receive other ones of the address signals representative of the row of chips being addressed. By altering the set of switches, the group of memory present circuits can be conditioned to generate an output signal for indicating that the same increment is present for accessing within any one of a number of different segments thereby enabling the same board to be used in any available address slot position.
    • 存储器子系统包括至少一个在布局和结构上相同的多个存储器模块板。 该板包括多个存储器芯片,这些存储器芯片位于多个物理行位置,一起提供对应于预定增量的存储器容量的预定数量的可寻址连续存储单元。 该板包括一组开关,其输入端连接以接收多个地址信号中的预定的开关。 这些预定信号被编码,指定被访问的存储器的段。 施加到开关输出端子的信号被逻辑地组合,并且所得到的信号被施加到连接的一组存储器当前电路,以接收代表所寻址的芯片行的其他地址信号。 通过改变开关组,可以调节存储器组电路以产生输出信号,以指示存在相同的增量用于在多个不同段中的任何一个中进行访问,从而使同一板可以用于任何 可用的地址槽位置。