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Class Information
Number: 365/222
Name: Static information storage and retrieval > Read/write circuit > Data refresh
Description: Subject matter wherein decaying information is read before it becomes unrecognizable, and rewritten in original form, e.g., charge on a capacitor is read before too much has leaked off, then rewritten to a fully charged state.

Patents under this class:

Patent Number Title Of Patent Date Issued
8711653 Changing a system clock rate synchronously Apr. 29, 2014
8711652 Arbitration for memory device with commands Apr. 29, 2014
8711651 System and method for managing self-refresh in a multi-rank memory Apr. 29, 2014
8711650 Semiconductor device including multi-chip Apr. 29, 2014
8711647 DRAM refresh method and system Apr. 29, 2014
8705308 Circuit and method for generating clock signal Apr. 22, 2014
8705307 Memory system with dynamic refreshing Apr. 22, 2014
8705302 Semiconductor memory devices having self-refresh capability Apr. 22, 2014
8687450 Semiconductor device Apr. 1, 2014
8687446 Semiconductor device with self refresh test mode Apr. 1, 2014
8681578 Semiconductor device that performs refresh operation Mar. 25, 2014
8675438 Methods of operating DRAM devices having adjustable internal refresh cycles that vary in response to on-chip temperature changes Mar. 18, 2014
8675437 Semiconductor memory device Mar. 18, 2014
8675436 Multi-channel semiconductor memory device and method of refreshing the same Mar. 18, 2014
8661192 Refresh algorithm for memories Feb. 25, 2014
8659967 Random access memory and refresh controller thereof Feb. 25, 2014
8654557 Semiconductor memory device, information processing system including the same, and controller Feb. 18, 2014
8650376 Solid state storage element and method Feb. 11, 2014
8650353 Apparatus, system, and method for refreshing non-volatile memory Feb. 11, 2014
8649236 Circuit and method for controlling leakage current in random access memory devices Feb. 11, 2014
8649232 Internal voltage generation circuit and semiconductor integrated circuit Feb. 11, 2014
8638630 Semiconductor device having hierarchical bit line structure Jan. 28, 2014
8638629 Refresh control circuit, memory apparatus and refresh control method using the same Jan. 28, 2014
8638626 Row address control circuit semiconductor memory device including the same and method of controlling row address Jan. 28, 2014
8638625 Semiconductor device having redundant bit line provided to replace defective bit line Jan. 28, 2014
8630141 Circuits and methods for providing refresh addresses and alternate refresh addresses to be refreshed Jan. 14, 2014
8626999 Dynamic random access memory unit and data refreshing method thereof Jan. 7, 2014
8626998 Multi-rank memory module that emulates a memory module having a different number of ranks Jan. 7, 2014
8625376 Semiconductor memory device and method of operation the same Jan. 7, 2014
8624665 Method of operating semiconductor device Jan. 7, 2014
8619487 Semiconductor memory device and method of controlling the same Dec. 31, 2013
8619486 Semiconductor memory device incorporating an interface chip for selectively refreshing memory cells in core chips Dec. 31, 2013
8619485 Power management control and controlling memory refresh operations Dec. 31, 2013
8619452 Methods and apparatus of stacking DRAMs Dec. 31, 2013
8612669 System and method for performing data retention in solid-state memory using copy commands and validity and usage data Dec. 17, 2013
8611168 Control of inputs to a memory device Dec. 17, 2013
8605532 Semiconductor device having hierarchical bit line structure Dec. 10, 2013
8605489 Enhanced data retention mode for dynamic memories Dec. 10, 2013
8601207 Management of memory refresh power consumption Dec. 3, 2013
8599634 Circuit and method for refreshing a memory module Dec. 3, 2013
8599625 Switch pin multiplexing Dec. 3, 2013
8595449 Memory scheduler for managing maintenance operations in a resistive memory in response to a trigger condition Nov. 26, 2013
8588022 Memory refresh methods, memory section control circuits, and apparatuses Nov. 19, 2013
8582383 Semiconductor memory device with hidden refresh and method for controlling the same Nov. 12, 2013
8576653 Hidden refresh method and operating method for pseudo SRAM Nov. 5, 2013
8576652 Semiconductor memory device, memory system including memory controller, and refresh control method for a semiconductor memory device Nov. 5, 2013
8572292 Command interface systems and methods Oct. 29, 2013
8559259 System and method for hidden refresh rate modification Oct. 15, 2013
8559258 Self-refresh adjustment in memory devices configured for stacked arrangements Oct. 15, 2013
8559257 Method of operating semiconductor memory device with floating body transistor using silicon controlled rectifier principle Oct. 15, 2013

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