Abstract
This brief presents a negative bias temperature instability (BTI)/positive BTI-aware write-wordline (WWL) voltage control technique for improving degraded cell stability of half-selected cells without extra power consumption. After BTI aging, the proposed lowering WWL voltage recovers the degraded cell stability without scarifying the write margin. Finally, we also present a sample circuit implementation of the proposed WWL voltage control scheme.
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More From: IEEE Transactions on Circuits and Systems II: Express Briefs
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