DS28EL15Q+U

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The DS28EL15Q+U is an ultra-low power, secure, 2kb serial 1-wire EEPROM with an embedded SHA-256 cryptographic engine. The DS28EL15Q+U is part of the DS28EL1x family, which includes byte-level write-protection and data security features such as write-protect commands, user-configurable 64-bit passwords, and write lock. The 1-Wire bus provides two-way communication between the master and the device, allowing the master to read data, write data, and verify the integrity of the data stored on the device.

The DS28EL15Q+U application field is becoming increasingly broad, with devices finding use in authentication, authorization, secure storage, and secure device-to-device communication. These devices are commonly used in a wide range of industries, including automotive, industrial, home automation, security, healthcare, and retail.

The DS28EL15Q+U device supports two working modes: 1-Wire bus mode and the advanced H-level mode. In 1-Wire bus mode, the communication is asynchronous, meaning the device can be powered up on the go, for example when the host device is configuring it. The advanced mode allows for much faster read/write speeds but is only available if the device is pre-configured first.

The DS28EL15Q+U utilizes a conventional command set for communication, with data transferred serially MSB first on 1-Wire bus level or MSB last on advanced H-level communication. The device also supports a proprietary command set which allows for more advanced operations such as write lock, random write protection command, password set/verify, SHA-256 authentication and write protect. All data communication with the device is authenticated by the device\'s SHA-256 engine.

The device is also equipped with on-board temperature, voltage and humidity sensors, allowing it to perform self-altering temperature, voltage or humidity compensations when needed. This enables reliable operation in harsh environmental conditions. Additionally, the TE signals allow the user to configure the device\'s internal oscillator, allowing it to be precisely tuned over a wide range of frequencies.

The output of the device is also configurable, allowing the user to select between digital or analog output formats. This can be used to integrate the device with a variety of applications without the need for custom hardware.

Overall, the DS28EL15Q+U is a very versatile device with a wide range of applications. It can be easily integrated into existing systems and configured for use in a variety of different scenarios. The device offers superior security, reliability, and accuracy compared to other EEPROM solutions.

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