Column address strobe write latency (CWL) calibration in a memory system
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United States of America Patent
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Mar 19, 2013
Grant Date -
Jul 12, 2012
app pub date -
Jan 6, 2011
filing date -
Jan 6, 2011
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Abstract
Column address strobe write latency (CWL) calibration including a method for calibrating a memory system. The method includes entering a test mode at a memory device and measuring a CWL at the memory device. A difference between the measured CWL and a programmed CWL is calculated. The calculated difference is transmitted to a memory controller that uses the calculated difference for adjusting a timing delay to match the measured CWL.
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