CY25568

CY25568 Spread Spectrum Clock Generator Features ■ ■ ■ ■ ■ ■ ■ Applications ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 4 to 32 MHz Input frequency range 4 to 128 MHz Output frequency range accepts clock, crystal and resonator Inputs 1x, 2x and 4x frequency multiplication Non-modulated reference frequency output Center and down spread modulation Low power dissipation ❐ 3.3 V = 52 mW-typ at 6 MHz ❐ 3.3 V = 60 mW-typ at 12 MHz ❐ 3.3 V = 72 mW-typ at 24 MHz Power-down mode Low cycle-to cycle jitter ❐ 8 MHz = 195 ps-typ ❐ 16 MHz = 175 ps-typ ❐ 32 MHz = 100 ps-typ Available in 16-pin (150-mil.) SOIC package Printers and MFPs LCD panels and monitors Digital copiers PDAs Automotive CD-ROM, VCD and DVD Networking, LAN/WAN Scanners Modems Embedded digital systems ■ ■ Benefits ■ ■ ■ Peak EMI reduction by 8 to 16dB Fast time to market Cost reduction ■ Logic Block Diagram 300K 7 REFOUT XIN 1 8pF REFERENCE DIVIDER PD and CP LF XOUT 16 8pF MODULATION CONTROL VDD VDD VSS VSS 13 VCO COUNTER VCO 6 12 SSCLK1 SSCLK2 SSCLK3 3 2 INPUT DECODER LOGIC 11 4 5 1 5 1 4 1 0 DIVIDER and MUX 9 8 FRSEL S1 SO D1 DO PD# www.DataSheet4U.net Cypress Semiconductor Corporation Document Number: 38-07111 Rev. *D 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Revised July 18, 2011 CY25568 Contents Pinouts .............................................................................. 2 Pin Definitions .................................................................. 2 General Descripti...