AT27C040-12JI

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AT27C040-12JI is a type of memory integrated circuit mainly used in computers and computer-based applications. This type of memory integrated circuit is developed by Atmel Corporation. It works as an electrically erasable programmable read-only memory (EEPROM).

The AT27C040-12JI memory integrated circuit is composed of a 4K x 8 bit organization, making it suitable for storing a large volume of data. It uses the current industry-standard 240-pin dual in-line memory module (DIMM). The power supply input ranges between 3.0V and 3.6V, making it a low-power consumer device. It has a maximum read access time of 120 ns, and its programming time has been reduced from the previous generation from 10ms to 5ms. It also features a self-timed write cycle to ensure successful flash memory programming.

The applications of AT27C040-12JI memory integrated circuit are mainly in different types of computers and computer-related applications. It is used in embedded systems and other applications that need fast and reliable read/write access to large volumes of data. For example, the memory integrated circuit can be used in cell phones, game consoles, medical equipment, automotive and industrial applications and other systems that require accurate and secure data management.

The working principle of the AT27C040-12JI memory integrated circuit is based on a write cycle design that uses a two-phase programming voltage system. The two-phase programming provides improved reliability in data-access and programming. The write cycle consists of a programming voltage that is applied to the memory array and a second control voltage, which is applied directly to the control pins to control the write cycle. The control voltage is then used to monitor the cells in the array.

The AT27C040-12JI memory integrated circuit is a reliable and versatile memory device for most applications. It provides a low-power device that is capable of a high speed, reliable and long-term data storage. With its many features, like self-timed programming, two-phase programming and read access time of 120 ns, this memory integrated circuit increases the accuracy and stability of embedded systems, game consoles and other computer-related applications.

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