AT28C010-12UM/883

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The AT28C010-12UM/883 present device is the very well-known type of the masked ROM series, compatible with the industry standard 400 mil DIP (dual in-line package). It is, in essence, a nonvolatile memory capable of serving a number of useful application fields and duties. This article will further explore the application fields and the working principle of the AT28C010-12UM/883.

Application Fields

The AT28C010-12UM/883 can be used in a number of applications, both in industry and domestic applications. As a ROM, it is great for permanent storage of static data, helping to ensure data retention and reduction of volatile memory chips requirements. The AT28C010-12UM/883 is also a great fit where data storage needs to be distributed across a board due to its small pins, allowing it to easily be placed alongside other components. A great use case of the AT28C010-12UM/883 is image storage, or the storing of other large datasets, such as machine learning instruction sets.

Working Principle

The AT28C010-12UM/883 uses an EEPROM (electrically erasable programmable read-only memory) as its underlying technology. The EEPROM works as a non-volatile memory that can be used for efficiently storing data and can be electrically altered. The AT28C010-12UM/883 is single power supply device that works from a single +5V power supply. The erase and write times are relatively low - 250ms (40us) is required for erasing and 8ms (1.25us) is required for writing a word. Protocols such as I2C, SPI and a number of others can be employed to control the device and interact with its storage.

The AT28C010-12UM/883 operates in two main modes – read/write mode and erase amplify mode. In read/write mode, data is written by erasing the cell, then programming the cell, while in the erase amplify mode data is erased by amplifying the signal. This signal amplification is useful in magnifying the low signal of the cell, allowing for the cell to be written with a stronger signal. Once the signal is amplified, it is then compared with the original signal and the difference between the two signals is erased.

Conclusion

The AT28C010-12UM/883 is an ideal memory chip; used for nonvolatile storage of data, in a variety of applications, both in industry and at home. Its small pin count and low power requirements make it perfect for distributed computing and its low write/erase time make it a favorite for both data storage and image storage applications.

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