Product category: Standard Logic Devices
News Release from: Oki Electric | Subject: ML9073/ML9074 real-time clock IC
Edited by the Electronicstalk Editorial Team on 9 April 2007
Real-time clock gives
much longer battery life
An ultralow-power real-time clock IC with current consumption of just 0.15uA delivers 1.5 times longer battery life than conventional chips
Oki Electric has developed an ultralow-power real-time clock (RTC) IC with current consumption of just 0.15uA. The ML9073/ML9074 series has 1.5 times longer battery life than conventional chips. Oki is providing samples of this product to makers of mobile and AV equipment that requires long operating time.
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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 minimise 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.
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'We are pleased to introduce these ICs that respond to the market needs', says Masahiko Morioka, President of Silicon Solutions Company at Oki Electric.
'Oki succeeded in developing these chips with ultralow current and low voltage using SOI-CMOS technology, in which we have strong track record'.
'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-power, low-voltage characteristics', adds Morioka.
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