AT25M02-SSHM-T Integrated Circuits (ICs)

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AT25M02-SSHM-T, also known as Serial SPI Serial 8-lead Plastic Memory, belongs to the Memory category. The device is widely used in EEPROM applications and provides excellent reliability, security and performance.

The AT25M02-SSHM-T has a wide range of application fields. It is commonly used industrial and automotive companies, since it can store a massive amount of information. Its operating temperature typically range from -40°C to +85°C and it is quite common to find the device being used in products such as smoke and gas detectors, safety systems, medical instruments and automotive applications.

Another major application field of the AT25M02-SSHM-T is for Data logging. This is mainly due to its ability to retain data even in the event of a power failure and to provide persistent storage of constantly changing data for long duration, even for years.

As for its working principle, the AT25M02-SSHM-T implements the same idea as a flash memory cell. It is structured with two transistors (access transistors) and a memory element (a floating-gate metal-oxide-semiconductor (MOS) transistor), which enables cell to store the data. A voltage can be applied to the access transistors, which will then turn it on or off. When an electrical charge is applied to the memory element, it is effectively “locked” in place on the MOSFET, which stores the bit value of 0 or 1.

The AT25M02-SSHM-T is programmed using the Serial Peripheral Interface (SPI), which is through four pins: Master Out Slave In (MOSI), Master In Slave Out (MISO), Clock (SCLK), and Chip Select (nCS). These pins are connected to the host processor, which then sends a command to the memories. After the memories receive the command, the memories will send or receive the data from the host processor.

In addition to its programming ability, the AT25M02-SSHM-T also has an advanced security feature. This is achieved through a 128-bit one-time programmable fuse, which is programmed at the factory and cannot be subsequently changed. This feature allows the AT25M02-SSHM-T to establish trust between the user and the device and ensure the data stored in the memory is not compromised.

The AT25M02-SSHM-T has a wide range of application fields due to its reliable security and performance. It is commonly used in a variety of industrial and automotive companies, Data logging and safety system applications. It is also equipped with an advanced security feature through a 128-bit one-time programmable fuse. All these features combine together to make the AT25M02-SSHM-T a powerful and reliable device in the Memory category.

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