THE most accurate timekeepers of to - day are divided into two classes, depending on whether the restoring force of the oscillator is gravity, as in pendulum clocks, or elasticity, as in quartz ...
Dallas Semiconductor introduced four serial real-time clocks – DS1337C/ DS1338C/ DS1339C/ DS1374C – that include a 32.768kHz crystal in a 16-pin SO package. Combining the crystal in the package ...
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