CY25811/12/14 Spread Spectrum Clock Generator Spread Spectrum Clock Generator Features Applications 4 to 32 MHz input frequency range Printers and MFPs 4 to 128 MHz output frequency range LCD panels Accepts clock, crystal, and resonator inputs Digital copiers 1x, 2x, and 4x frequency multiplication: PDAs CY25811: 1x CY25812: 2x CY25814: 4x CD-ROM, VCD, and DVD Center and Down Spread modulation Networking, LAN, and WAN Low power dissipation: Scanners 3.3V = 52 mW - typ at 6 MHz Modems 3.3V = 60 mW - typ at 12 MHz 3.3V = 72 mW - typ at 24 MHz Embedded digital systems Low cycle-to-cycle jitter: Benefits 8 MHz = 480 ps-max 16 MHz = 400 ps-max Peak EMI reduction by 8 to 16 dB 32 MHz = 450 ps-max Fast time to market Available in 8-pin SOIC and TSSOP packages Cost reduction Commercial and industrial temperature ranges Functional Description For a complete list of related documentation, click here. Logic Block Diagram 300K REFERENCE PD and XIN 1 LF CP DIVIDER 8pF 8 XOUT 8pF VCO MODULATION COUNTE VCO CONTROL R 7 VDD INPUT COUNTER and DECODER 5 MUX VSS LOGIC 2 SSCLK 6 3 4 S0 FRSEL S1 Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 38-07112 Rev. *N Revised May 24, 2017CY25811/12/14 Contents Pin Configuration .............................................................3 Ordering Information ...................................................... 13 Pin Definitions ..................................................................3 Ordering Code Definitions ......................................... 13 Functional Overview ........................................................3 Package Drawing and Dimensions ............................... 14 Input Frequency Range and Selection ........................3 Acronyms ........................................................................16 Spread Percentage Selection ......................................4 Document Conventions ................................................. 16 Input and Output Frequency Selection ........................5 Units of Measure ....................................................... 16 Absolute Maximum Conditions .......................................6 Document History Page ................................................. 17 DC Electrical Specifications ............................................6 Sales, Solutions, and Legal Information ...................... 19 DC Electrical Specifications ............................................7 Worldwide Sales and Design Support ....................... 19 Thermal Resistance ..........................................................7 Products ....................................................................19 AC Electrical Specifications ............................................8 PSoCSolutions .......................................................19 AC Electrical Specifications ............................................9 Cypress Developer Community ................................. 19 Characteristic Curves ....................................................10 Technical Support ..................................................... 19 SSCG Profiles .................................................................11 Application Schematic ...................................................12 Document Number: 38-07112 Rev. *N Page 2 of 19