DS1643-70

DS1643-70 is a high precision real time (RTC) clock chip designed for applications in electronics. It provides a precision timing solution for applications ranging from digital equipment, such as computers, smart phones, and tablets, to medical equipment and industrial automation.

Application Field

DS1643-70 is a high accuracy device that can be used in multiple applications.

• Computer hardware: This device is ideal for PCs, laptops, and servers, as it offers precise timing for critical applications such as data logging and error logging.
• Printers: The device is suitable for use in laser printers and line printers, as it can accurately measure the time between two print requests.
• Electronic instruments: DS1643-70 is well-suited for use in a wide variety of electronic instruments, including oscilloscopes, spectrum analyzers, signal generators, and test equipment.
• Medical equipment: DS1643-70 is used in pacemakers and other medical devices, as it can accurately measure time while taking into consideration environmental factors such as temperature and humidity.
• Industrial automation: As it is highly precise and reliable, this device is often used in industrial automation systems, such as conveyor systems, production lines, and factory automation.

Working Principle

The DS1643-70 RTC operates on a quartz crystal oscillator, which is divided into two sections, a reference oscillator and an oscillator circuit. The reference oscillator acts as the base frequency, while the oscillator circuit is used to regulate the frequency fluctuation of the crystal. This ensures that the clock is accurate and stable even under extreme temperature or other environmental conditions.

The DS1643-70 also features a programmable voltage detector, which allows the device to detect the presence of the power current and maintain the clock work regardless if the operating voltage changes. This allows the device to maintain the correct time and date even if the power supply is disrupted, such as during a power outage or if the battery dies.

In addition, the device features a temperature-compensated crystal oscillator that provides superior accuracy and stability across a wide temperature range. This ensures that the clock will remain accurate even when the environment changes drastically.

Overall, the DS1643-70 is a highly accurate real-time clock chip that is suitable for use in many different applications. Its features, including its quartz crystal oscillator, programmable voltage detector, and temperature-compensated crystal oscillator, are all designed to ensure that it will remain accurate in even the most extreme conditions.