M25P40-VMP6TG TR

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Memory

The M25P40-VMP6TG TR is a 4Mbit Serial Flash memory device from STMicroelectronics, which uses advanced CMOS double-gate technology for high performance, ultra-low power consumption, high reliability and small footprint. It is designed for applications requiring high performance and ambient temperatures that range from -40°C to 105°C.

The M25P40-VMP6TG TR features a 25MHz SPI and dual-level read/write speed of up to 1.6Mbyte per second. It has an array of 32,768 words x 8 bits, with a page size of 256 bytes. The device can be read, erased and rewritten in blocks of 256 bytes. It uses a 3-wire serial interface and supports various instruction set commands.

The M25P40-VMP6TG TR can be used in a variety of applications such as remote control systems, automobile entertainment systems, and video surveillance systems. It is also widely used in embedded systems, including set-top boxes and portable digital devices. Moreover, it is an ideal choice for applications that require scrolling data storage or display.

The working principle of the M25P40-VMP6TG TR is simple. The flash memory is written and read bi-directionally with the serial interface via communication with the external microcontroller. It supports the standard SPI Serial Peripheral Interface Protocol, which is compatible with the popular IC SPI interface. The SPI port consists of 4 pins: clock, data in, data out, and chip select. The write/erase operations take place when the data is transferred from the DOUT pin. The device can be written and erased using the Write Enable and Write Disable commands.

The M25P40-VMP6TG TR also incorporates an array of error detection and correction features. Data integrity is ensured through the use of an on-chip ECC (Error Correction Code). It has an on-chip Voltage Protection System (VPS) that monitors the voltage levels and prevents overvoltages or undervoltages to the flash memory. The device also includes a range of programmable Sequential Read/Write and Sequential Read/Erase commands.

In conclusion, the M25P40-VMP6TG TR is a reliable, low-power and high-performance flash memory device that is suitable for a variety of applications. Its features make it ideal for applications where data integrity and reliability are essential. The simple working principle and powerful commands make it easy to use and suitable for embedding in numerous systems.

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