M41T93ZMY6E

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The M41T93ZMY6E is a high accuracy real time clock from STMicroelectronics, used to provide precise time synchronization both in time-critical and embedded applications. It is capable of counting and displaying time in a wide range of formats such as year, month, day, hour, minute and second, and features a self-adjusting time base system which keeps the time accurate and consistent. This time clock module is available with both a quartz crystal and an AT-cut crystal oscillator and is built on an eight-bit microcontroller with embedded RICOCHET technology.

The M41T93ZMY6E is typically used in applications that require reliable, accurate time and date information, such as in the industrial, automotive, consumer and telecommunications sectors. It can be utilized to synchronize data in logging and tracking applications, and to integrate information systems with other hardware applications. Additionally, it can be used in telecommunication systems to automatically calculate time zone, daylight saving and daylight-hours information.

The M41T93ZMY6E has a built-in frequency-selectable watch crystal oscillator and operates from a 2.0 to 1.6V battery. It is capable of counting up to 24 hours with a resolution of 1 second, and includes a 0.5 Hz to 60 Hz calibrated frequency selectable output. The clock is programmable to generate interrupts based on user-defined intervals, ensuring reliable and accurate synchronization.

The working principle of the M41T93ZMY6E is relatively simple. Inside the clock, there is a quartz crystal oscillator that vibrates at a specific frequency. This oscillator is connected to a frequency counter that counts the number of oscillations. This counter is then connected to a timekeeping circuit that consists of a high-accuracy digital-to-analog converter, digital multiplexer, and digital input/output buffer. The timekeeping circuit keeps track of the cumulative number of oscillations and converts this number into the format specified by the user. This signal is then output to the device’s external pins, enabling it to accurately display time.

The M41T93ZMY6E can be easily integrated into existing applications and systems, making it a popular choice for a wide range of time and date tracking applications. It is also capable of displaying multiple date and time formats, including: Gregorian calendar (year, month, day, hour, minute and second); 12/24-hour format; and Day of the year/Week/Month. The clock also has a powerful temperature compensation feature and is capable of providing a temperature range of -40°C to +125°C with an accuracy of ±2°C.

In conclusion, the M41T93ZMY6E is a reliable and accurate real-time clock, suitable for a variety of time-critical applications. It includes a quartz crystal oscillator and an external frequency-selectable oscillator, as well as an expansive range of input/output features, enabling it to provide precise time synchronization with ease. It also has a temperature compensation feature and a programmable interrupt generator for reliable and accurate synchronization. As such, the M41T93ZMY6E is the ideal choice for a variety of time-tracking applications.

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