The W158 is a spread spectrum system frequency synthesizer designed for advanced multiprocessing Intel architecture platforms.
It generates a range of clock frequencies, including 2.5V and 3.3V clock outputs up to 133 MHz, from a low-cost 14.31818-MHz reference crystal oscillator.
The device features spread spectrum modulation to reduce electromagnetic interference (EMI), with a -0.5% downspread deviation selected for maximum EMI reduction.
It also includes power management control inputs to stop CPU and/or PCI clocks or power down the entire device to conserve system power.
Key Features
Spread Spectrum Modulation: Reduces EMI with a -0.5% downspread deviation.
Power Management: Control inputs to stop CPU and/or PCI clocks or power down the device.
Frequency Generation: Generates 2.5V and 3.3V clock outputs up to 133 MHz.
Compatibility: Compliant with Intel CK98 specification.
Manual:
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