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The ICS181-01 generates a low EMI output clock from a clock or crystal input. The device uses IDT’s proprietary mix of analog and digital Phase-Locked Loop (PLL) technology to spread the frequency spectrum of the output, thereby reducing the frequency amplitude peaks by several dB. The ICS181-01 offers down spread selection of -1.25% and -3.75%. IDT offers a complete line of EMI reducing clock generators. Consult us when you need to remove crystals and oscillators from your board.
Pin and function compatible to Cypress W181-01
Packaged in 8-pin SOIC
Provides a spread spectrum output clock
Accepts a clock input and provides same frequency dithered output
Input frequency of 28 to 75 MHz for Clock input
Peak reduction by 7dB - 14dB typical on 3rd - 19th odd harmonics