DTCXO real-time clock monitors industrial and outdoor temperatures

Designed for precision time keeping, Epson’s RX8804 real-time clock uses digitally temperature-compensated crystal oscillator (DTCXO) technology to achieve ±3.4 or ±8 parts per million (ppm) accuracy over temperature of -40 to +85 degrees C or -40 to +105 degrees C respectively. This is equivalent to nine or 20 seconds per month, reports Epson.

This high accuracy is essential for precise time keeping, as required by e-meters, lighting, and other industrial or outdoor applications, adds the company.

Epson’s RX8804 includes a crystal, a DTCXO and counters to keep track of time and date. Epson’s RX8804 also includes automatic battery backup and time-keeping functions such as alarms and timers.

Supply voltage is 1.6 to 5.5V and the real-time clock is low power requiring 0.35 microA (typical) backup current. The RX8804 also has a clock output of 1.0Hz, 1024Hz, or 32.768kHz. The real-time clock is offered in a small package (3.2 x 2.5 x 1.0mm3).

Epson operates in the inkjet, visual communications, wearables and robotics arenas.

Epson Europe Electronics is a marketing, engineering and sales company and the European Headquarters for electronic devices of the Seiko Epson Corporation, Japan. It has been headquartered in Munich, Germany since 1989.

It has European sales representatives and a European-wide network of distributors. Epson Europe Electronics provides value added services for semiconductors, sensors, sensing systems and timing devices targeted to markets as diverse as industrial, automotive, medical, and communication. Epson products are characterised by energy saving, low power, small form factor design and rapid time to market.

http://www.epson-electronics.de

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