DS14285QN+

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The DS14285QN+ is a Real Time Clock (RTC) from Dallas Semiconductor and series of related products manufactured by Maxim. It is used to accurately measure time intervals, to increase product reliability, and to improve system performance.

The DS14285QN+ is a full-featured, dual-mode system timer/watchdog. It consists of an eight-bit timer and an eight-bit watchdog. The timer features a wide range of clock frequencies, selectable event capturing, periodic interrupt, and single shot timer operation modes. The 8 bit timer and watchdog comprise a 14-bit counter, capable of counting both directions without overflowing.

The DS14285QN+ is typically used in applications that require either the detection of time related events or the measurement of the time between specified events. Typical applications for this RTC include automobile engine, audio and video recording, control and monitoring systems, medical imaging, and industrial control.

The DS14285QN+ clock has three primary functions: quartz crystal oscillator, an interrupt generator and a timer. The quartz crystal oscillator sends a series of pulses to the interrupt generator where the pulses are evaluated. If the pulses meet a pre-determined criteria the interrupt is activated and the timer is started (or reset if it has been triggered). This allows the device to measure and record the length of an event.

The timer can be programmed to act in a one-shot mode, in which the timing event is measured only once, or a periodic mode, which continuously re-starts the timing process. It also can be programmed to capture time intervals, as well as providing a programmable time/date output. The timer operates at frequencies between 1 hertz and 8 megahertz.

The DS14285QN+ also allows users to configure the device to detect a variety of time events, such as low-noise, low-jitter acquisition, periodic interrupts, and power on reset. The RTC can be programmed to trigger an interrupt or to reset itself on reception of a pulse meeting the programmed criteria. This makes the RTC suitable for applications that require precise timing as well as reliable, continuous monitoring of system performance.

The DS14285QN+ is available in a range of packages from 4-pin DIP to 14-pin SOIC and requires a supply voltage of 2.4 V or higher for operation. It is designed for applications in the industrial, consumer and automotive markets, and is packaged with the necessary protection circuitry to meet the applicable EMI/RFI standards.

The DS14285QN+ provides an accurate and reliable solution for timing and monitoring of events. Its wide range of features makes it suitable for a variety of applications, from simple system monitoring to critical industrial and consumer applications. The DS14285QN+ is the perfect choice for applications requiring precise timing, accurate performance, and a cost-effective solution.

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