AT49F040-12TC

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The AT49F040-12TC is an electrically erasable programmable memory (EEPROM). It is available in a standard 4-pin pin and square DIP (dual in-line package). As a type of non-volatile memory, EEPROMs are memory integrated circuits which can store data even after the power is switched off. In other words, the data that is stored in this memory remains intact and is not lost or destroyed. The AT49F040-12TC is primarily used in embedded systems, providing cost-efficient and efficient memory storage within the system or circuit.

The AT49F040-12TC can store 4,087,554 bytes of information, and it operates at speeds ranging from 10 to 40 MHz. Its write cycle time is 10µs and it has a faster, more efficient erase cycle time of 1.2s. It is designed as a self-contained, electrically erasable programmable ROM (EEPROM), allowing it to be easily integrated into a wide range of industrial, automotive, and consumer electronics applications. Furthermore, it offers superior durability, with a data retention time of over 10 years.

The AT49F040-12TC has a byte-wide architecture, meaning it can be addressed by individual bytes. This architecture makes it easier for developers to make changes to the memory after its production. For example, it is easier to overwrite an old memory or update a section or byte of data. This is particularly useful when designing products that require frequent updating or changes. In addition, the AT49F040-12TC supports both parallel and serial modes of operation, giving it added flexibility and compatibility with different system designs.

The working principle behind the EEPROM is the same as with any other memory. It stores data in an array of memory cells. Each cell contains a single bit of information, and these bits can be read or written. The AT49F040-12TC utilizes the standard erase-write-read process; erasing a location, writing data, and then reading the data back from the same location. Furthermore, it uses Fowler-Nordheim tunneling for erasing and programming individual memory cells, ensuring data accuracy even after multiple program/erase cycles.

The AT49F040-12TC is widely used in automotive, industrial, and consumer applications, making it an ideal choice for those seeking an efficient and cost-effective memory solution. It is used in automotive airbag controllers, robotics, factory automation, power systems, and many other applications. Its superior durability and versatile architecture make it a reliable choice for those seeking a dependable memory solution.

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