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NOR FLASH资料

资料介绍
flash_memory_overviewFlash Memory: An Overview

Application Note

Introduction
All computer-based systems contain memory. Memory is where information is stored while waiting to be operated on by the Central Processing Unit (CPU) of the computer. There are two types of memory. They are volatile memory and non-volatile memory. Volatile memory retains its information only while power is applied to the memory device. The contents of this memory type may be easily and quickly changed. Non-volatile memory retains its information even when no power is applied to the memory device. Although the information in most non-volatile memories may be changed, the process involved is much slower than for volatile memory.

Volatile Memory
Volatile memory loses its contents when the device loses power. Random Access Memory (RAM)
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