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PLL701-05SM Datasheet(PDF) 1 Page - PhaseLink Corporation |
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PLL701-05SM Datasheet(HTML) 1 Page - PhaseLink Corporation |
1 / 5 page Preliminary PLL701-05 Low EMI Spread Spectrum Multiplier Clock 47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991 Rev 09/26/02 Page 1 FEATURES • Spread Spectrum Clock Generator with selectable multiplier from 1x to 6x outputs. • Output frequency ranges: 30MHz to 180MHz. • Modulates external clocks including crystals, crystal oscillators and ceramic resonators. • Selectable Center or Down Spread Modulation. • TTL/CMOS compatible outputs. • 3.3V Operating Voltage. • Low short term jitter. • Available in 8-Pin 150mil SOIC. DESCRIPTIONS The PLL701-05 is a Spread Spectrum Clock Generator designed for the purpose of reducing EMI in high-speed digital systems. Any output frequency can be selected by programming 4 multiplier modes. The device is designed to operate over a very wide range of input frequencies and provides 1x to 4x modulated clock outputs. PIN CONFIGURATION Note: . v: 120K Ω Internal Pull down. ^: 120KΩ Internal Pull up. OUTPUT CLOCK (FOUT) SELECTION S0 S1 S2 S3 FIN Range (MHz) FOUT Spread Spectrum modulation frequency Spread Spectrum 0 0 0 0 30 - 60 X1 ±0.75% 0 0 0 1 30 - 60 X1 ±1.00% 0 0 1 0 30 - 60 X1 -2.50% 0 0 1 1 30 - 60 X1 0.5-1.5% 0 1 0 0 30 - 60 X2 ±0.25% 0 1 0 1 30 - 60 X2 ±0.5% 0 1 1 0 30 - 60 X2 ±0.75% 0 1 1 1 30 - 60 X2 ±1.00% 1 0 0 0 30 - 60 X2 -2.50% 1 0 0 1 30 - 60 X2 0.5-1.5% 1 0 1 0 30 - 45 X4 0.25-1.25% 1 0 1 1 30 - 45 X4 0.5-1.5% 1 1 0 0 60 - 120 X1 ±0.25% 1 1 0 1 60 - 120 X1 ±0.50% 1 1 1 0 60 - 120 X1 0.25-1.25% 1 1 1 1 60 - 120 X1 Fin / 512 0.5-1.5% 1 2 3 4 5 6 7 8 FIN S0^ S1^ S2 v VDD FOUT GND S3 v FIN = 30 ~ 120 Mhz |
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