OKI Develops World’s Lowest Current-consumption, Real Time Clock IC With SOI-CMOS Technology

 David Lammers
  4th-Apr-2007
 1293

TOKYO---Oki Electric Industry Co., Ltd. (TOKYO:6703) today announced it has developed ultra low power current real time clock (RTC) ICs with the world’s lowest current consumption at just 0.15μA. The newly developed “ML9073/ML9074” series has 1.5-fold longer battery life than conventional chips. Starting today, OKI will provide samples of this product to makers of mobile and AV equipment that requires long operating time.

Most devices including digital cameras, audio players, TVs and DVD recorders have a built-in real-time clock (RCT) for their clock functions to keep accurate time even when the power is turned off. However, most RTCs are embedded in ASICs and MPUs as an IP and it is difficult to minimize current consumption because ASICs and MPUs use leading edge processes. Thus, reducing current consumption when the power is turned off has been a challenge in mobile equipment that runs on small batteries such as button dry batteries.

“We are pleased to introduce these ICs that respond to the market needs. OKI succeeded in developing these chips with ultra low current and low voltage using SOI-CMOS technology(1), in which we have strong track record,” said Masahiko Morioka, President of Silicon Solutions Company at Oki Electric Industry. “With these new ICs, we succeeded in lengthening the battery life and reducing the size of the battery and condenser.”

“To contribute to bringing down our customer’s product size, OKI will leverage its SOI-CMOS technology and enhance its product lineup with high-performance, low current power, low voltage characteristics,” added Morioka.

[Glossary]

(1) SOI-CMOS technology:

This is a technology to develop CMOS on insulator. It uses an SOI substrate with an embedded Insulator instead of a conventional silicon substrate. This enables lower voltage operation and decreases the effect of leak current temperature, which is attractive for low voltage, low current and low leakage operation.

About Oki Electric Industry Co., Ltd.

Founded in 1881, Oki Electric Industry Co., Ltd. is Japan's first telecommunications manufacturer, with its headquarters in Tokyo, Japan. OKI provides top-quality products, technologies and solutions to its customers through its info-telecom system business, semiconductor business and printer business. All three businesses function as a collective force to create exciting new products and technologies that satisfy a spectrum of customer needs in various markets. Visit OKI's global web site at http://www.oki.com/.

Notes:

Names of companies and products are trademarks or registered trademarks of the respective companies and organizations.

Domain: Electronics
Category: Semiconductors
Contact Person Address: Oki
Posted By: David Lammers and Contact David Lammers
Semiconductor Analytics

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