AT25DL081-UUN-T

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AT25DL081-UUN-T is a one-time programmable, 8-pin, serial electrically erasable programmable read-only memory (EEPROM) device. It has an 8Kbit memory array organized as 1024 pages of eight bytes each. The device is designed to give the designer a major advantage by combining its small size, low power consumption and one-time programming capabilities. AT25DL081-UUN-T is available in 3V powered devices and an 8-pin SOIC and DFN packages.

AT25DL081-UUN-T is designed to provide non-volatile storage of critical data in industrial, consumer and commercial applications. It is available in two power supply voltage options, 2.7V to 3.6V and 1.8V to 3.6V, allowing easy design integration in various systems. Non-volatile storage of critical system data, calibration data, and other application specific information makes AT25DL081-UUN-T a good fit for energy-harvesting applications.

The device operates from a single 4.5V to 5.5V power supply with an SPI-compatible serial interface, allowing for full and half duplex operations. It includes read, write and erase operations on complete memory and limited bits operations within each sector. It also features a write-protect function that allows the user to protect the device from accidental programming or in-system content modification.

AT25DL081-UUN-T also features a status register that can be read back to determine the state of the memory and whether programming or erase operations are in progress or have been successfully completed. The device also has internal functions to periodically check and validate the memory. This provides a high level of reliability and long-term data retention across a wide temperature range.

Working Principle: AT25DL081-UUN-T operates at an operating temperature range from -40°C to +85°C. It is accessed through a three-wire serial interface. The device can be configured as read only, write only, read/write and erase only, depending on the type of interface used. Read and write operations happen in bytes while erase operations are done by page or sector. AT25DL081-UUN-T also has a write-protect function which prevents accidental programming or in-system modification of data. This function can also be used to protect the device from over-write/erase operations.

AT25DL081-UUN-T can be used in a wide variety of applications such as automotive and industrial automation, medical systems, and monitoring, logging and alarms systems. With its low-power consumption and small size, it is a perfect candidate for battery-powered applications. Its one-time programming allows the user to program the device once and have permanent and secure data storage.

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