CY24293ZXC Infineon

CY24293 Two Outputs PCI-Express Clock Generator Two Outputs PCI-Express Clock Generator Features Functional Description 25 MHz crystal or clock input CY24293 is a two output PCI-Express clock generator device intended for networking applications. The device takes 25 MHz Two sets of differential PCI-Express clocks crystal or clock input and provides two pairs of differential outputs at 25 MHz, 100 MHz, 125 MHz, or 200 MHz for HCSL signaling Pin selectable output frequencies standard. Supports HCSL compatible output levels The device incorporates Lexmark Spread Spectrum profile for Spread Spectrum capability on all output clocks with pin maximum electromagnetic interference (EMI) reduction. The selectable spread range spread type and amount can be selected using select pins. For a complete list of related documentation, click here. 16-pin TSSOP package Operating voltage 3.3 V Commercial, Industrial operating temperature range Logic Block Diagram VDDX VDDO XIN/EXCLKIN PCIE0P Clock Buffer/ Crystal (25 MHz) PCIE0N Oscillator XOUT PLL Clock Synthesizer SS0 PCIE1P SS1 Control PCIE1N Logic S0 S1 I REF OE = 475 Ohms 1% R REF GNDX GNDO Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 001-46117 Rev. *J Revised June 27, 2017CY24293 Contents Pinouts ..............................................................................3 AC Electrical Characteristics .......................................... 8 Pin Definitions ..................................................................3 AC Electrical Characteristics .......................................... 9 Output Frequency Selection Table .................................4 Test and Measurement Setup .......................................... 9 Spread Selection Table ....................................................4 Ordering Information ...................................................... 10 Application Information ...................................................5 Ordering Code Definitions ......................................... 10 Crystal Recommendations ..........................................5 Package Diagram ............................................................ 11 Crystal Loading ...........................................................5 Acronyms ........................................................................12 Calculating Load Capacitors .......................................5 Document Conventions ................................................. 12 Current Source (Iref) Reference Resistor ....................5 Units of Measure ....................................................... 12 Output Termination ......................................................6 Document History Page ................................................. 13 Decoupling Capacitors ................................................6 Sales, Solutions, and Legal Information ...................... 15 PCI-Express (HCSL Compatible) Layout Guidelines ....6 Worldwide Sales and Design Support ....................... 15 Absolute Maximum Ratings ............................................7 Products ....................................................................15 Recommended Operation Conditions ............................7 PSoC Solutions ...................................................... 15 DC Electrical Characteristics ..........................................7 Cypress Developer Community ................................. 15 Thermal Resistance ..........................................................7 Technical Support ..................................................... 15 Document Number: 001-46117 Rev. *J Page 2 of 15