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Factors Affecting Flash Memory Performance

The read, write and erase timing characteristics of flash hardware specifications are useful for comparing different products, but don't tell the whole story about what you will get from your real-world devices. When Flash memory is incorporated into a system, the performance of the system depends on a number of factors. One key factor that can reduce the effective performance of flash memory involves the shared bus topology of your system. Optimal flash performance depends on the speed and availability of the bus that connects the flash to the system. Also critical are the manner in which the operating system handles interrupts and whether the flash device is connected to the system's interrupt architecture.

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