AT45DB021B-RI

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AT45DB021B-RI is a type of memory integrated circuit (IC) developed for applications requiring excellent data retention, such as secure digital applications. This IC is an FRAM (Ferroelectric Random Access Memory) device manufactured by Atmel Corporation, a subsidiary of Microchip Technology. This IC is popular amongst system designers for its non-volatile memory performance and cost-effectiveness. It is available in 8-pin DIP and 8-lead SOIC packages and is available in commercial temperature range of 0°C to 70°C.

AT45DB021B-RI memory products are designed to store large amounts of data while being reliable and durable. In applications such as digital imaging and medical devices, data retention is critical because it must remain intact even when the power is removed. The AT45DB021B-RI uses high density FRAM technology to offer the highest degree of data retention and reliability. It stores up to 4 megabits of data which can be permanently stored in a single IC.

The AT45DB021B-RI is a Serial Peripheral Interface (SPI) bus compatible part, meaning it can communicate with an external microcontroller via an SPI bus. The device has three modes of operation, single-byte, burst mode and page mode, which allows the user to configure the device for maximum efficiency. The single-byte mode is best suited for applications that require low data transfer rates. The burst mode is ideal for applications that require higher data transfer rates. The page mode is the most efficient mode for programs that require large read or write operations.

The AT45DB021B-RI also has a number of features that make it an attractive choice for many applications. It offers an integrated 165 MHz serial clock, which offers a fast transfer rate while keeping data transmission power consumption to a minimum. It also has an integrated 128-byte deep buffered page read and write, meaning large data blocks can be transferred without performance penalty. Additionally, the device is ECC (Error Correction Code) enabled, meaning it can correct single-bit errors, making it an ideal choice for applications where accuracy is paramount.

The AT45DB021B-RI application field is diverse. This IC is most frequently used in high performance memory intensive applications, such as digital image capture, secure digital cards, programmable logic controllers, and embedded systems where data retention and accuracy are critical. Its cost-effectiveness, high-reliability and fast data transfer make it an ideal choice for a wide range of products.

In summary, the AT45DB021B-RI is an integrated circuit that provides excellent data retention for applications such as secure digital applications, digital imaging and medical devices. It offers several features that make it an attractive choice, including ECC enabled, integrated 165 MHz serial clock, and 128-byte deep buffered page read and write. Its fast data transfer and power efficiency make it suitable to many fields. Therefore it is a cost-effective, reliable and fast option for any application where data retention is critical.

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