MR25H256CDC

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The MR25H256CDC is a 2Mb Serial Peripheral Interface (SPI) Serial Flash memory solution providing flexibility and enhanced performance in a small form factor. It is a non-volatile memory device, with a serial SPI interface, providing a 2MHz clock rate, and has a 4-byte address bus and a 256 byte page buffer. The device operates on a low current supply and can be used in systems where current consumption is important. The MR25H256CDC provides a wide range of features, including data protection, multi-level ECC protection, program/erase suspend, and security features such as 64-bit unique ID, one-time programmable (OTP) bits, write protect option, and more.

The application field of MR25H256CDC includes multimedia, imaging and industrial automation systems, as well as ruggedized applications, industrial systems, automotive, communications and security. This device is ideal for applications where performance, endurance and reliability are valued, such as storage of large data, configuration, or encryption keys. It offers multi-level ECC protection, increasing system reliability and enabling it to function in harsh environmental applications.

The MR25H256CDC can be powered by a range of operating voltages, allowing it to be used in multiple applications. The device has a wide operating temperature range of -40ºC to +85ºC. It also has built-in power-saving features, including program/erase suspend and data protection, ensuring low power consumption and reliable operation in extreme temperatures.

The MR25H256CDC has a serial peripheral interface (SPI) that enables high-speed data transfers. It supports four SPI modes through frame synchronization: Mode 0 (data-in on MOSI), Mode 1 (data-out on MISO), Mode 2 (data-in on MISO), and Mode 3 (data-out on MOSI). Additionally, it has an asynchronous serial interface (ASI) for direct connection to an FPGA, and has a direct connection to the bus of a microcontroller.

The working principle of MR25H256CDC is based on the flash memory technology, which is a type of non-volatile memory, meaning that the data stored in it can still be accessed even if the device is powered off. The device contains cells with transistors that store data, in two or more states, depending on the technology used. The MR25H256CDC uses flash memory technology consisting of MOSFETs and floating-gate transistors. This technology is widely used in consumer electronics, computers and many other electronic devices, since it does not require external power for memory retention.

The MR25H256CDC uses an erase and programming cycle to write data into its cells. To write, the associated cell must be first erased by applying a high voltage. Then, the current voltage is reduced to the programming voltage and data is written into the cell using electrons. When the programming voltage is returned to the original voltage the data remains stored in the cell, until erased or overwritten.

MR25H256CDC also offers enhanced security features such as. 64-bit Unique ID, one-time programmable (OTP) bits and write protect options to protect data from unauthorized access. The device also contains data protection features such as program/erase suspend and multi-level ECC protection, allowing it to operate reliably in harsh environments.

In conclusion, the MR25H256CDC is a high-performance serial SPI Flash memory device suitable for a wide range of applications where performance, endurance and reliability are valued. It has features such as data protection, multi-level ECC protection, program/erase suspend, 64-bit unique ID, one-time programmable (OTP) bits and write protection. The device also has a serial peripheral interface (SPI), enabling high-speed data transfers, and offers power-saving features, allowing it to be used in multiple applications.

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