DS1543W-120

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The DS1543W-120 is a Real Time Clock (RTC) chip designed to provide time-keeping MOS integrated circuit for calendar and clock functions for various electronic systems. It can be used in long-term time-keeping applications, since it runs on a power source independent of the host processor or system, allowing for autonomous timing. The device contains battery-backed registers for time-stamped data and requires no extra hardware to accurately capture time and date information, making it a cost-efficient option for many applications.

The DS1543W-120 Real Time Clock is capable of providing hours, minutes, and seconds along with a number of related features. This can include alarm settings, direct time setting, and battery-backed storage of the time and date information in case of a power failure. The on-chip crystal oscillator and the power supply are independent of the host processor for autonomous timekeeping which makes the chip well-suited for applications such as embedded systems and computer systems where battery-backed power is not available.

The DS1543W-120 includes a 12-character programmable string that can be used to indicate the type of system it is installed in and is also capable of storing additional manufacturer-defined parameters. It features an on-board low-power trickle charge boosting that allows it to remain operational and retain its data even when the system power is down. This makes it ideal for applications such as embedded computers, smart homes, and industrial controllers, where time-stamped data is important.

The DS1543W-120 RTC IC works by using its internal power supply (which is independent of the host system) to run its internal oscillator, which is then used to divide the frequency of the crystal into the needed time-related values such as hours, minutes, and seconds. It also quickly captures time-stamped data such as temperature, humidity, and pressure readings and stores them for future reference. This also makes it well-suited for customers who need rapid capturing of data in their applications.

In addition to its time-keeping and data-capturing functionality, the DS1543W-120 Real Time Clock has a number of other important features for embedded systems and computers. These include temperature compensation, battery-backed automatic time setting, and programmable alarm. These features make it ideal for applications that require precision and accuracy of time tracking in real-time conditions.

The DS1543W-120 Real Time Clock is highly-accurate, reliable, and cost-effective, making it a popular choice for many applications. It is well-suited for both short and long-term time-keeping purposes, so it is often used in embedded systems and computer systems where performance and precision are critical. This makes the device an excellent choice for systems and applications requiring frequent time-stamped data and enhanced performance.

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