DS1556W-120IND+

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Real-time clocks (RTCs) are electronic devices used to measure the passage of time. The DS1556W-120IND+ is a very versatile RTC that combines high-accuracy performance and low power consumption. It includes a wide range of features that enable it to be used in a variety of applications, including automotive and cellular systems, wireless networks, air traffic control systems, and industrial instruments.

The DS1556W-120IND+ device is a low-power CMOS digital clock with a built-in oscillator. It offers a wide range of features to meet the most demanding applications. The device is designed for applications that require high-accuracy timing, such as those found in the automotive, industrial, and air traffic control fields. It features a precision on-chip quartz oscillator, an integrated rechargeable battery, a two-wire serial interface, and a selectable input/output pin configuration.

At the core of the DS1556W-120IND+ is a quartz oscillator with a frequency of 1.0625 MHz, which can be programmed with up to 32-bit accuracy over a temperature range of -40°C to +125°C. The oscillator accuracy is about ±2 ppm at 25°C and can be adjusted to ±20 ppm over the operating temperature range. The integrated rechargeable battery provides power to the oscillator when the device is not powered, allowing it to maintain time and date information when the main power is off.

The DS1556W-120IND+ also features an integrated two-wire serial interface that allows for communication with other devices. The device supports a variety of communication formats, including I2C, SPI, UART, and USB. This makes it suitable for a wide range of applications, such as providing time synchronization for distributed systems.

The DS1556W-120IND+ device also includes two selectable input/output pins that can be used to generate interrupts or alarms. The two pins can be programmed to generate an interrupt or alarm at specific times or dates. This feature is particularly useful for applications that require accurate timing, such as in wireless networks or industrial instruments.

The DS1556W-120IND+ is an excellent choice for applications that require accurate timing and low power consumption. Its wide range of features and flexible communication options make it suitable for a variety of applications, from automotive to industrial and air traffic control systems. Its excellent accuracy and low power consumption make it an ideal choice for a range of applications that require reliable timing performance.

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