EPSON's built-in frequency adjustment 32.768kHz crystal unit clock IC RX8010SJ is used for telephones

Dec 10,2024
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A telephone is a terminal device that transmits voice in both directions through electrical signals. Its emergence has brought convenience to people's communication. It has become an essential and important part of people's lives and work. With the increasing development of communication technology, mobile communication and even network telephones have emerged one after another. Traditional telephones no longer meet people's requirements for convenience and multifunctionality, and are gradually withdrawing from people's daily applications. However, in the hotel industry and some office applications, traditional telephones are still important communication tools due to the management mechanism of buses and extensions.

The product diagram is as follows:

The time display of the product requires the use of a clock IC. Based on product requirements, we recommend EPSON RX8010SJ.

Its advantages and characteristics are as follows:

1. Built in frequency adjustment 32.768kHz crystal unit, built-in user RAM: 128 bits (8-bit x 16, SRAM), built-in complete calendar, alarm clock, timer and other functions, which can save customer design costs and reduce matching errors of peripherals

2. Low standby current: 160nA/3V (typical), effectively reducing circuit losses

3. Standard IIC bus interface mode, with a maximum speed of 400kHz (4.5V~5.5V), matching customer design and meeting design requirements for speed

The definition of its pins is as follows:

In summary, the EPSON RX8010SJ has multiple built-in functions, low power consumption, standard interfaces, and high speed, making it suitable for telephone applications.