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PLL701-14 Datasheet(PDF) 1 Page - PhaseLink Corporation |
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PLL701-14 Datasheet(HTML) 1 Page - PhaseLink Corporation |
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PLL701-14 Low EMI Spread Spectrum 6x Multiplier Clock 47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991 www.phaselink.com Rev 08/12/04 Page 1 FEATURES • Spread Spectrum Clock Generator with integrated 6x frequency multiplier. • Input frequency range: 10MHz to 30MHz • Output frequency range: 60MHz to 180MHz. • Accepts input from external clocks or crystal. • Selectable Center Spread SST modulation amplitude. • Output Enable feature (OE). • TTL/CMOS compatible outputs. • 3.3V Operating Voltage. • Low short term jitter. • Available in 8-Pin 150mil SOIC. DESCRIPTION The PLL701-14 is a Spread Spectrum Clock Generator designed to reduce EMI in high-speed digital systems. Its spread spectrum modulation amplitude is selectable via the input selector pins. The chip multiplies any input from 10MHz to 30MHz by 6x. The chip provides an output Enable/Disable input permitting the user to tri-state the output. PIN CONFIGURATION Note: ^: Internal pull-up resistor (30 k Ω). SPREAD SPECTRUM SELECTION SST Modulation SC1 SC0 FOUT Magnitude Frequency Type 0 0 X6 0.250% ± 0.125% 0 1 X6 0.500% ± 0.25% 1 0 X6 0.750% ± 0.375% 1 1 X6 n/a Fin / 512 SST turned off 1 2 3 45 6 7 8 XIN/FIN XOUT SC0^ SC1^ VDD FOUT GND OE^ XIN/FIN = 10 ~ 30 MHz |
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