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US 2009/0154276 A1Published application
Auto-refresh controlling apparatus
AssigneeHynix Semiconductor Inc.
InventorJong Yeol Yang
Life of this patent
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Abstract
An auto-refresh control apparatus is provided which includes a counter unit for outputting counter signals in response to an external auto-refresh command signal, and a refresh command signal generating unit for generating internal auto-refresh command signals in response to the counter signals when a test mode signal is activated.
Claims25
An auto-refresh control apparatus comprising:
- a counter unit for outputting counter signals in response to an external auto-refresh command signal;
- and
- a refresh command signal generating unit for generating internal auto-refresh command signals in response to the counter signals when a test mode signal is activated.
An auto-refresh control apparatus comprising:
- a counter unit for outputting counter signals in response to an external auto-refresh command signal;
- and
- a refresh command signal generating unit for generating internal auto-refresh command signals in response to the counter signals when a test mode signal is activated,
- wherein the refresh command signal generating unit changes an auto-refresh period in response to the test mode signal.
1 more element
Dependencies are inferred from the claim text.