White paper High-Precision Real-Time Clock Modules Features of Real-Time Clock Modules with built-in digital TCXO
Whether at work or play, the concept of time is a vital part of our daily lives. From systems that dispatch trains to systems that record entry and exit times, innumerable applications depend on time data. Timing has a huge influence on profit and loss in the world's financial and stock markets. With time and clocks so essential to our everyday lives, clock functions have crept into countless everyday products in recent years. In fact, it is said that finding a product that does not have a clock of some kind is difficult. The world is also full of applications that require more accurate timekeeping, such as banking systems, security systems, and electrical power meters, to name but a few. Essential in obtaining more accurate clocks are (1) devices that oscillate at precise frequencies, and (2) ICs to control them. At Epson, we manufacture and sell modules that combine into a single package a crystal unit that oscillates at a precise, stable frequency and a real-time clock IC that controls the crystal. This article will explain the features, functions, and characteristics of Epson's high-precision, low-power real-time clock modules.
Characteristics of Epson's Real-Time Clock Modules:
A real-time clock module is a single package that contains a 32.768 kHz crystal unit and a real-time clock IC, which includes oscillation circuitry clock, calendar, and alarm. At Epson, we develop and manufacture our own crystal units and real-time clock ICs, giving us a stable supply of crystal units that have been optimized for high-precision real-time clock modules and real-time clock ICs that operate under the ideal conditions for those crystal units. Epson's semiconductor technology and expertise, along with technology that enables extremely stable, low-power quartz oscillators, underlie watch control. These technologies are found at the heart of myriad timing systems and timepieces, from the official timekeeping systems used in the Olympics to luxury Seiko brand watches such as the Grand Seiko.
Developing our own crystal units and real-time clock ICs enables us to design a perfect match and bring out the full potential of both. This results in products that exhibit high performance. This is what sets Epson's real-time clock modules apart from others.
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White Paper |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2017/07/28 |
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