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The serial-interface flash memory is ideally suited for a wide variety of digital voice, image, program code, and data storage applications. It supports the Atmel RapidS™ serial interface for applications requiring very high speed operations and frequencies up to 66MHz. The Atmel DataFlash® uses a RapidS serial interface to sequentially access its data. The simple sequential access dramatically reduces active pin count, facilitates hardware layout, increases system reliability, minimizes switching noise, and reduces package size. The flash memory also contains one SRAM buffer of 256 or 264 bytes.