AT28C040-20FI

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The AT28C040-20FI is a kind of memory which is commonly used in embedded systems. This memory is a CMOS static random access memory (SRAM) and it is designed for use in very low voltage applications. Its features and specifications make it suitable for a wide range of embedded system applications.

The AT28C040-20FI is an 8K x 8 non-volatile memory which can be used for storing data in an embedded system. It is a non-volatile memory which means it will retain its contents even when there is no power to the device. The device has a maximum operating voltage of 4.5V, a read access time of 120ns, and a write access time of 150ns. It also has a cycle time of 150ns, a maximum operating temperature range of -55°C to +125°C, and can be used in a wide range of applications.

The AT28C040-20FI is used in a variety of applications such as automotive, industrial, and consumer electronics. It can be used in devices such as HVAC controllers, LED lighting controllers, remote control units, and many others. The memory can be used to store data such as user profiles, game scores, and other types of programmable parameters. It can also be used to store configuration data for specific applications such as industrial automation.

The AT28C040-20FI is a CMOS SRAM which means it is composed of transistors that are configured in a specific way. The transistors are arranged in a way that allows them to operate with very low voltages. This makes the device very efficient and allows it to work with very low power consumption. Additionally, the device is non-volatile which means it will retain its contents even if the power is cycled off.

The operation of the AT28C040-20FI is based on the concept of a two-phase memory cycle. In the first phase, the memory is read and the data is stored in a temporary register. In the second phase, the data is written back to the memory. In order to write data, the device uses a write cycle which consists of a store, a fetch, and a write sequence. This allows the device to read and write data at a high speed.

In summary, the AT28C040-20FI is a memory device which is commonly used in embedded systems. It is a non-volatile memory which is designed for very low voltage applications. It has a low power consumption and can be used in a variety of applications. Additionally, it operates using a Two-Phase Memory Cycle which allows it to read and write data quickly. This makes the AT28C040-20FI a great choice for use in embedded systems.

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