Achieving low power consumption and miniaturization - Launch of the CMOS IC "7202 Series" for 32.768kHz output crystal oscillator modules.
The 7202 series is a CMOS IC for crystal oscillator modules that incorporates an oscillation circuit for AT-cut quartz crystal oscillators at 16.777216MHz (or 25.165824MHz, 33.554432MHz) and outputs 32.768kHz with a division ratio of 512 (or 768, 1024). It is designed to operate at 125°C. By using an AT-cut crystal, it enables the realization of a 32.768kHz output crystal oscillator with superior frequency temperature characteristics and a shorter oscillation startup time compared to products using tuning fork oscillators. Compared to the conventional model (5059), it reduces power consumption by 90%, shrinks the chip size by 40%, and supports a wide operating supply voltage range (1.6 to 3.63V) and an operating temperature range (-40 to 125°C).
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【Features】 - Oscillation frequency (fundamental wave oscillation): 16.777216MHz, 25.165824MHz, 33.554432MHz - Low current consumption (oscillation section constant voltage circuit drive) A1A ver. Typical 7μA@16.777216MHz, VDD=3.3V, no load - Supply voltage: 1.6–3.63V - Output frequency: 32.768kHz - Operating temperature range: -40 to +125℃ - Low standby current (oscillation stopped, power save pull-up resistor built-in) - Output driver capability: ±1mA - Output 3-state function - Package: wafer form, chip form
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Since its establishment in 1975 as a semiconductor manufacturer within the Seiko Group, our company has been creating innovative high-value-added products, primarily focusing on ICs for quartz oscillators and digital products. Our main product, ICs for quartz oscillators, boasts one of the world's leading market shares and is incorporated into various electronic devices, including communications and home appliances, supporting your daily life. In recent years, we have also been focusing on the development of sensor products that detect the movement of objects and the temperature emitted by objects, converting them into electrical signals. Our company has its own factory in Nasushiobara City, Tochigi Prefecture, where we plan, design, and manufacture products in a nature-rich environment adjacent to Nikko National Park. Additionally, we have a sales base at our Tokyo headquarters, enabling us to swiftly incorporate customer requests into product development.