8T Single-Ended Sub-Threshold SRAM With Cross-Point Data-Aware Write Operation

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Storage
Format: PDF
This paper presents a new 8T SRAM cell with data-aware cross-point Write operation and series connected Read buffer for low power and low voltage operation. The cell features a shared footer device to control the VGND for cell pass gate (Write) transistors and the Read buffer. The row-based VGND control and the column-based data-aware Write Word-Line form a cross-point Write structure, thus eliminating Write Half-Select Disturb to facilitate bit-interleaving architecture. Replica based timing tracking circuit is used to control the pulse width of Word-Line Enable (WLE) signal to overcome the large timing variation at low voltage and to reduce the Word-Line active power consumption.
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