AT45DB641E-MWHN-T Integrated Circuits (ICs)

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AT45DB641E-MWHN-T is a 641-Kb serial flash memory, which is classified as Memory. It is designed for nonvolatile storage and program code storage applications. It stores data in a non-volatile flash memory, so applications that use this type of memory will work even when there is a power failure.

The features of AT45DB641E-MWHN-T include a low-power standby mode to reduce power consumption; a page-erase architecture to minimize the number of write cycles; an SPI-compatible serial interface to facilitate system design; and an operating temperature range between -40°C and +85°C, making the device suitable for a wide range of industrial, consumer, and automotive applications.

To understand how AT45DB641E-MWHN-T works, it is important to understand its architecture. It consists of two parts: a 256-bytes Page Memory Buffer (PMB) and a 64-kb Flash array memory (FAM). The PMB is a volatile register used to transfer data between the FAM and host systems. It can store up to 256 bytes of data, which can be programmed into FAM one page at a time.

The FAM is divided into 8192 pages, with each page containing 256 bytes of data. The FAM can be divided into two erase sectors. Each erase sector can be divided into 256 pages, with each page containing 64 bytes of data. Data can be programmed or erased in an erase sector, one page at a time. This makes the device suitable for applications that require frequent updates.

The AT45DB641E-MWHN-T also provides a powerful protection system to protect data from accidental overwrites and other threats. It provides Hardware and Software protection from accidental overwrites, undesirable erasing, and program code manipulation. It also comes with eight ID transfer bytes for authentication.

AT45DB641E-MWHN-T is mainly used in portable electronic products, such as notebooks, PDA\'s, digital cameras, music players, and mobile phones. It is particularly suitable for applications which require frequent data storage and updates, as well as those which require protection from accidental overwrites and code manipulation. Additionally, as the device is capable of working in a wide temperature range and has low-power consumption, it is also suitable for automotive and industrial applications.

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