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ROM

Read-only memory (ROM) is a class of storage medium used in computers and other electronic devices. Data stored in ROM can only be modified slowly, with difficulty, or not at all, so it is mainly used to distribute firmware (software that is very closely tied to specific hardware, and unlikely to need frequent updates). Strictly, read-only memory refers to memory that is hard-wired, such as diode matrix and the later mask ROM. Although discrete circuits can be altered (in principle), Integrated Circuits (ICs) cannot and are useless if the data is bad. The fact that such memory can never be changed is a large drawback; more recently, ROM commonly refers to memory that is read-only in normal operation, while reserving the fact of some possible way to change it. Other types of non-volatile memory such as erasable programmable read only memory (EPROM) and electrically erasable programmable read-only memory (EEPROM or Flash ROM) are sometimes referred to, in an abbreviated way, as "read-only memory" (ROM); although these types of memory can be erased and re-programmed multiple times, writing to this memory takes longer and may require different procedures than reading the memory.[1] When used in this less precise way, "ROM" indicates a non-volatile memory which serves functions typically provided by mask ROM, such as storage of program code and nonvolatile data.

Memory > ROM > Flash Memory

Наименование детали	DS	Производитель	Дата выпуска	Кол-во	Регион	Активный
AT45DB161DSU		Adesto	-	1536	Germany	Связаться с продавцом
AT45DB161D-SU		Adesto	2012+	3000	China	Связаться с продавцом
AT45DB161D-SU		Adesto	2017+	1	China	Связаться с продавцом
AT45DB161D-SU		Adesto	2021	8000	Hong Kong	Связаться с продавцом
AT45DB161D-SU		Adesto	201419	71	Germany	Связаться с продавцом

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