DRAM requires periodic refreshing to maintain data integrity
Dynamic random-access memory
DRAM requires periodic refreshing to maintain data integrity
DRAM stores data in capacitors that leak charge over time, necessitating a refresh circuit to restore the original charge periodically. This refresh process is essential to prevent data loss and maintain data integrity.
Example
In a DRAM memory cell, the capacitor's charge representing a bit's value (0 or 1) gradually dissipates, requiring a refresh circuit to periodically rewrite the data and restore the capacitor's charge.
Understanding the refresh requirement of DRAM is crucial for designing reliable memory systems that prevent data loss due to charge leakage.
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