DS1305+

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The DS1305+ is a Real Time Clock (RTC) designed by Maxim Integrated Products. It is a low-power, low-cost solution for timekeeping, with an accuracy of ±2ppm. The DS1305+ also features a temperature-compensated crystal oscillator (TCXO) and a crystal oscillator clock output. The RTC also has a backup supply of 2.7V to 4.5V, making it ideal for a variety of applications.

Real time clocks are used to measure and keep track of time, and are essential for many applications. The DS1305+ is a versatile solution for applications such as alarm clocks, cell phones, wristwatches, digital cameras, security systems, and more.

The clock has two programmable alarms that can be triggered to wake the system up from sleep mode, and it can be used with additional clock components to support more advanced applications. The DS1305+ also includes an integrated 32kHz TCXO, making it possible to support both the low-power and low-jitter performance requirements of many applications.

The DS1305+ consists of a crystal oscillator, a 32-bit CMOS counter, and a clock output device. The crystal oscillator provides the clock cycle of the RTC, while the 32-bit CMOS counter counts the number of clock cycles and stores them in the RTC registers. The clock output device then produces a signal with the frequency that is needed by the application.

The DS1305+ also has a temperature compensation feature which makes it more accurate by reducing clock jitter caused by the crystal oscillator’s temperature variation. This is achieved by adjusting the clock frequency in response to temperature changes, which ensures the accuracy of the RTC’s output. The DS1305+ can be programmed to be as accurate as ±2ppm (parts per million), making it suitable for applications such as portable medical and industrial equipment.

The DS1305+ also supports a wide operating range from -25°C to +85°C and is available in various housing options. It has an adjustable clock output that is configurable from the internal registers. The RTC also supports multiple wakeup and interrupt sources that can be used to trigger the wakeup or interrupt sources.

To sum up, the DS1305+ Real Time Clock is a versatile solution for timekeeping. It is an accurate and low-power solution that can be used in a variety of applications. It features a temperature-compensated crystal oscillator and a crystal oscillator clock output for stable frequency. With its wide operating range, adjustable clock output and multiple wakeup sources, it is an ideal choice for a variety of applications.

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