DS1746-70IND

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The DS1746-70IND is a type of real-time clock (RTC) manufactured by Dallas Semiconductor, which is now a part of Maxim Integrated. It is a low-power and multifunctional device integrated with SRAM, RTC, alarm and interrupt functions combined. The RTC in the device is based on industrial precision timekeeping technology fully calibrated in delivery which offers the users the most accurate timekeeping performance. The device is suitable for applications such as timer, timekeeping, calendar clock, frequency counter and data logging.

The DS1746-70IND has a wide variety of features, some of which are highly configurable and customizable. It has seven different operating modes, including H 1- 24 hour, M 1- 60 minute, S 1- 60 second, 1st alarm, daily alarm, periodic alarm and 10 second alarm, which can be operated individually. It is designed with a built-in lithium battery which allows the device to store its RTC information, as well as its alarms and run continuously even with no power source connected, making it ideal for applications that need to keep accurate time without interruption.

The device also includes an integrated SRAM, which allows the user to store data for up to 512 bytes. It is equipped with an 8-character WPC (Write and Preserve Code) feature, which allows the user to protect the device’s contents from unauthorized access. It also has an integrated SRAM and NVR (Non-volatile storage) lock facility, which protects the user’s data from being erased or tampered with.

As far as its application field and working principle are concerned, the DS1746-70IND device is designed to be used in a variety of applications, including timekeeping, data logging and frequency measurement. It is easy to use and requires minimal external hardware. The device is powered by a 3V battery and can be used in either a stand-alone mode or a direct connection to the system. It can be connected with the system via a standard I2C bus or SPI interface. The device has a built-in 32.768 kHz Crystal Oscillator, which provides accurate timing performance and a wide temperature range from 0°C to +70°C.

The DS1746-70IND device is also equipped with multiple alarm functions, which can be used for various purposes such as activating systems at a certain time, ringing alarms, etc. The device supports multiple RTC functions including day of the week, century and leap year functions. It can also be used for monitoring and controlling tasks such as fan speed, power supply, temperature and humidity.

In summary, the DS1746-70IND is a low-power, fully-integrated RTC with an impressive set of features and functions, making it suitable for a variety of applications such as timekeeping, data logging and frequency measurement. It is equipped with an 8-character WPC feature, a built-in battery, an integrated SRAM and NVR lock, and multiple alarm functions. It also has a reliable 32.768 kHz crystal oscillator for precise timing performance.

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