PT7C4372AWEX

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Part Status:	Active

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Clock/Timing - Real Time ClocksReal time clocks are used to keep a record of the time, date and other necessary time-related information that a device needs to function properly. The PT7C4372AWEX is a real time clock IC (integrated circuit) that offers a low power alternative for real time clock designs. It is a low power CMOS Real Time Clock IC with 1 x 2 Kbit memory, multiplexed serial I/O port and integrated oscillator.The PT7C4372AWEX is designed to provide a highly integrated, low power real time clock solution. It can be used in various applications where date and time must be maintained when the power source is removed, such as personal computers, mobile phones and digital TVs. It is also suitable for digital home appliances such as microwaves, washing machines and refrigerators.The PT7C4372AWEX is equipped with an oscillator and 32.768kHz crystal that provides an accurate time-keeping solution for applications requiring precision time-keeping. The oscillator output is connected to and monitored by a temperature compensated oscillator (TCXO) that constantly adjusts the frequency to ensure accuracy and stability. The time-keeping accuracy can be as precise as +/- 20ppm and the operating temperature range is -40 to +85°C (-40 to +185°F).The PT7C4372AWEX is equipped with three-voice counters, a stopwatch, interrupt control and an alarm. The three-voice counter allows the device to be used in multiple timer applications by setting different alarm times for each timer. The stopwatch feature enables high-resolution time-keeping with an accuracy of up to 1 second. The interrupt control feature allows the user to program an interrupt from the RTC (real time clock) outputs. The alarm function provides a real time reminder for a particular periodic task.The PT7C4372AWEX has a built-in serial I/O port which works with multiplexing signals to transfer data to a host system. The I/O port is connected to an internal buffer register and can be used to read and write data to the RTC. This port supports I2C (Inter-Integrated Circuit) communication protocol and can be used with host controllers to access the RTC’s data.The PT7C4372AWEX also has a 1 x 2 Kbit memory that can be used to store miscellaneous data or user settings. The data stored in the non-volatile memory is retained even when the power source is removed.The PT7C4372AWEX also has several power supply options such as a single cell Li-Ion battery or two AA cells. It also has a low power mode that can be enabled to reduce its power consumption to a fraction of its normal current requirement.The PT7C4372AWEX is a real time clock IC with a number of features that makes it ideal for real time clock applications. It has a low power design with multiple power supply options, making it suitable for a variety of battery-powered devices. It has an oscillator and 32.768kHz crystal for precise time-keeping. It is also equipped with multiple internal features such as counters, stopwatch and an alarm that make it a versatile real time clock solution. The I/O port and user memory also make the PT7C4372AWEX a great choice for a wide range of real time clock applications.

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