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Winbond’s 25X SpiFlash Memories available

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article image 25X SpiFlash Memories

Winbond’s 25X SpiFlash Memories feature the popular Serial Peripheral Interface (SPI), densities from 1M to 64M-bit, small erasable sectors and a high performance.

The 25X SpiFlash devices operate up to 75Mhz and are the first to support dual-output SPI to achieve transfer rates equivalent to using a 150Mhz clock. This is two to three times the performance of other Serial Flash memories. Fast transfer means controllers can quickly boot when downloading code to RAM or even execute code directly from the SPI interface.

The 25X SpiFlash family also features uniform 4K-byte erasable sectors and 64K-byte erasable blocks through the entire array. The small 4K-byte sectors allow for flexible and efficient memory allocation, as well as storage of parameter and configuration data typically handled by EEPROMs.

The 25X devices support both top and bottom write protection, and the instruction set is superset-compatible with industry-standard 25P serial Flash memories. SpiFlash 25X devices from 1Mb through 32Mb are offered in space-saving 8-pin SOIC packages, allowing for a common footprint across a wide density range.

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