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Method and memory device that powers-up in a read-only mode and is switchable to a read/write mode

机译:在只读模式下加电并可切换到读/写模式的方法和存储设备

摘要

One-time programmable (OTP) and write-once read-many (WORM) memory devices and methods for use therewith are provided. These embodiments can be used to provide compatibility between a memory device that uses an OTP (or few-time programmable (FTP)) memory array and host devices that use a file system, such as the DOS FAT file system, that expects to be able to rewrite to a memory address in the memory device. These embodiments can also be used to prevent accidental or deliberate overwrites, changes, or deletions to existing data in a WORM memory device.
机译:提供了一次性可编程(OTP)和一次写入多次读取(WORM)存储设备以及与其一起使用的方法。这些实施例可以用于提供使用OTP(或几次可编程(FTP))存储阵列的存储设备与使用期望能够实现文件系统(例如DOS FAT文件系统)的主机设备之间的兼容性。重写到存储设备中的存储地址。这些实施例还可用于防止对WORM存储设备中的现有数据进行意外或故意的覆盖,更改或删除。

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