Invention Grant
US08659972B2 Adaptive read wordline voltage boosting apparatus and method for multi-port SRAM 有权
用于多端口SRAM的自适应读取字线升压装置和方法

Adaptive read wordline voltage boosting apparatus and method for multi-port SRAM
Abstract:
Embodiments of the invention are directed to systems and methods for adaptively boosting the supply voltage to an SRAM (Static Random Access Memory) in response to process-voltage-temperature variations when needed. Embodiments include a critical path that simulates a typical memory cell and read-out circuit in the SRAM. Applying a trigger signal to a word-line input port of the critical path, and comparing the output of the critical path to a reference-latch signal, provides an indication of when to boost the supply voltage to the read-out circuits of the SRAM.
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