CY25402/CY25422/CY25482 Two-PLL Programmable Clock Generator with Spread Spectrum Two-PLL Programmable Clock Generator with Spread Spectrum 8-pin small outline integrated circuit (SOIC) package Features Commercial and industrial temperature ranges Two fully integrated phase-locked loops (PLLs) One-time programmability Input frequency range For programming support, contact Cypress technical support External crystal: 8 to 48 MHz or send an e-mail to clocks cypress.com External reference: 8 to 166 MHz clock Benefits Reference clock input voltage range 2.5 V, 3.0 V, and 3.3 V for CY25482 Multiple high-performance PLLs allow synthesis of unrelated 1.8 V for CY25402 and CY25422 frequencies Wide operating output frequency range Nonvolatile programming for personalization of PLL 3 to 166 MHz frequencies, spread spectrum characteristics, drive strength, 1 crystal load capacitance, and output frequencies Programmable spread spectrum with center and down spread option and lexmark and linear modulation profiles Application specific programmable EMI reduction using spread spectrum for clocks V supply voltage options: DD 2.5 V, 3.0 V, and 3.3 V for CY25402 and CY25482 Programmable PLLs for system frequency margin tests 1.8 V for CY25422 Meets critical timing requirements in complex system designs Frequency select feature with option to select four different Suitability for PC, consumer, portable, and networking frequencies applications Power-down, Output Enable, and SS ON/OFF controls Capable of zero parts per million (PPM) frequency synthesis Low jitter, high-accuracy outputs error Ability to synthesize nonstandard frequencies with fractional-N Uninterrupted system operation during clock frequency switch capability Application compatibility in standard and low-power systems Three clock outputs with programmable drive strength Functional Description Glitch-free outputs while frequency switching For a complete list of related documentation, click here. Block Diagram XIN Crossbar CLK1 / Output EXCLKIN Switch (SS) PLL 1 XOU OSC Dividers (SS) T MU and X REFOUT Drive and (No SS) PLL 2 Control Strength FS0 (SS) Logic Control FS1 CLK2 (SS) SSON PD /OE Note 1. The devices mentioned in this datasheet are available as factory-programmable parts and not as field-programmable parts, since the associated programming software is currently not available. Visit www.cypress.com to create a Technical Support case, so Cypress can provide a programming file (.jed file) that matches your requirements. Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 001-12565 Rev. *M Revised October 31, 2017CY25402/CY25422/CY25482 Contents Device Selector Guide ......................................................3 AC Electrical Specifications ............................................ 9 Pin Configuration .............................................................3 Configuration Example .................................................... 9 Pin Definitions ..................................................................3 Recommended Crystal Specification ........................... 10 Pin Configuration .............................................................4 Recommended Crystal Specification ........................... 10 Pin Definitions ..................................................................4 Test and Measurement Setup ........................................ 10 Pin Configuration .............................................................5 Voltage and Timing Definitions ..................................... 11 Pin Definitions ..................................................................5 Ordering Information ...................................................... 12 Functional Overview ........................................................6 Possible Configurations ............................................. 12 Two Configurable PLLs ...............................................6 Ordering Code Definitions ......................................... 13 Input Reference Clocks ...............................................6 Package Drawing and Dimensions ............................... 14 VDD Power Supply Options ........................................6 Acronyms ........................................................................ 15 Output Source Selection .............................................6 Document Conventions ................................................. 15 Spread Spectrum Control ............................................6 Units of Measure ....................................................... 15 Frequency Select ........................................................6 Document History Page ................................................. 16 Glitch-Free Frequency Switch .....................................6 Sales, Solutions, and Legal Information ...................... 18 PD /OE Mode .............................................................6 Worldwide Sales and Design Support ....................... 18 Output Drive Strength ..................................................6 Products .................................................................... 18 Generic Configuration and Custom Frequency ...........6 PSoC Solutions ...................................................... 18 Absolute Maximum Conditions .......................................7 Cypress Developer Community ................................. 18 Recommended Operating Conditions ............................7 Technical Support ..................................................... 18 DC Electrical Specifications ............................................8 Document Number: 001-12565 Rev. *M Page 2 of 18