DS1486P-120

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The DS1486P-120 is a real time clock (RTC) module available in the market. The IC is developed by Dallas semiconductor and is part of the family of high quality embedded components and peripherals. It is a low-cost, low-power RTC designed to provide timekeeping and date functions that can be used in battery-backed applications, including consumer electronics and home automation.

A real time clock (RTC) is a device used in electronic systems for maintaining the accuracy of a clock. RTCs use a crystal oscillator, quartz crystal, and digital logic to keep track of time, which can then be used to trigger events or reminders. The DS1486P-120 is a general purpose RTC with a calendar clock and is designed to provide users with timekeeping accuracy within ±2 minutes per month, over a wide range of temperatures (-40°C to +85°C).

The DS1486P-120 has a 12-bit resolution and operates from a single source at 2.6-3.6V. The IC has a 12-month calendar with 4 configurable alarm events and a manual override button. It features an RTC enable/disable pin which allows timed-based functions to be disabled on demand, saving power and preventing accidental resets. The IC features low power consumption and is provided with low battery monitoring, battery backup, and various alarm and interrupt functions. In addition, the IC has a very low jitter of up to two minutes per month, enabling highly accurate timekeeping.

The DS1486P-120 can be used in a range of applications, including timekeeping, home and industrial automation, consumer electronics, home appliances, and automobiles, among others. In most applications, the DS1486P-120 can serve as an accurate timekeeper by using an external crystal or an external oscillator to provide timekeeping accuracy. It can also be used to provide date and time alarms, as well as an alarm after a given amount of time has elapsed or as an alarm triggered on a given day at a specific time. When used in combination with external circuitry, the DS1486P-120 can also provide back-up RAM functions

The DS1486P-120 works by using its integrated oscillator to control its internal clock. This oscillator is typically a quartz oscillator that is provided with a fixed frequency reference. The oscillator then drives the clock to maintain a given time. The clock can be adjusted by the user by manually overriding at any time by pressing the manual override button. The battery monitoring feature is used to ensure that the back-up battery does not run low, preventing any accidental reset of the system.

Overall, the DS1486P-120 is an excellent RTC device for maintaining time accuracy in a range of applications. It has excellent accuracy and power consumption, as well as easy integration with the required external components. The device is an ideal choice for time-based functions in battery-backed applications, such as consumer electronics and home automation.

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