Memory system for error test
AssigneeSK hynix Inc.
InventorsSung Jin PARK, Jong Min LEE
Life of this patent
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Abstract
A memory system includes: a memory controller configured to control communication between a host and a memory device; and an error test device configured to store error operation codes for generating errors, wherein the error test device outputs the error operation codes to the memory controller under the control of the memory controller, and wherein the memory controller determines whether an error has been generated in any operation corresponding to any of the error operation codes, and, when it is determined that an error has been generated, the memory controller stores one or more error requests corresponding to the generated error.
Claims18
A memory system comprising:
- a memory controller configured to control communication between a host and a memory device;
- and
- an error test device configured to store error operation codes for generating errors,
- wherein the error test device outputs the error operation codes to the memory controller under the control of the memory controller, and
- wherein the memory controller determines whether an error has been generated in any operation corresponding to any of the error operation codes, and, when it is determined that an error has been generated, the memory controller stores one or more error requests corresponding to the generated error.
A memory system comprising:
- an error test device storing error operation codes for generating errors and error data;
- a ROM including test firmware code;
- a central processing unit (CPU) configured to execute the error operation codes or firmware using the error operation codes in response to the test firmware code, and determine whether an error has been generated;
- and
- an internal memory configured to store one or more error requests for any operation in which the error is generated, when the error is generated.
A memory system comprising:
- a memory device;
- an error test device configured to perform an error test operation in response to a first request;
- and
- a controller configured to determine whether the first request is an error-corresponding request when an error is detected during the error test operation for the first request, and report an error corresponding to a second request without performing any operation for the second request when the second request is determined by the controller to be the error-corresponding request,
- wherein, during the error test operation, the error test device executes an error operation code configured to intentionally cause an error or controls the memory device to perform an operation with error data including an intentional error.
Dependencies are inferred from the claim text.