The SST39SF020A-70-4I-NHE is an NOR Flash memory chip manufactured by Microchip, that features 2M-bits of storage, a 256Kx8 bit organization, and a 70ns access time. It is a 5V-rated Parallel type device supplied in a 32-pin PLCC Tube package. It has a maximum byte program time of 66 us and is qualified for extended temperature range operation from -40 °C to 85 °C. This chip is suitable for embedded systems and high-performance consumer applications, and provides an easy upgrade path to larger densities and feature sets.