MX852EB0027

MX852EB0027 Ultra-Low Jitter XTAL Oscillator with Fanout ClockWorks® FUSION General Description Features MX852EB0027 CMIC™ (clock management IC) is a member of the ClockWorks® FUSION family of devices that integrates the crystal, synthesizer and fanout buffers in a single 5mm x 7mm LGA Package. Integrating the entire clock chain delivers 200fs typical phase noise performance including fanout and crosstalk. The device operates from a 2.5V or 3.3V power supply. • Generates 5 output clocks • Frequency and output logic: Applications • PCI-Express • Storage -100MHz HCSL x 5 • Integrated quartz crystal for frequency reference • Typical phase noise: -100fs (Integration range: 1.875MHz-20MHz) -200fs (Integration range: 12kHz-20MHz) • Complete ultra-low jitter clocking solution • OE on banks 1 and 2 • 2.5V or 3.3V operating voltage range • ±50ppm total stability • -40°C to +85°C temperature range • 38-Pin 5mm x 7mm LGA package Block Diagram OE1 Q1 100MHz HCSL /Q1 Q2 ÷ N1 100MHz HCSL /Q2 Q3 100MHz HCSL /Q3 XO PLL Q4 100MHz HCSL /Q4 ÷ N2 Q5 100MHz HCSL /Q5 OE2 ClockWorks is a registered trademark of Micrel, Inc Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com 07/13/15 MX852E-1480-Rev 0.7 M9999-071315-A tcghelp@micrel.com or (408) 955-1690 Micrel, Inc. MX852EB0027 Ordering Information Ordering Part Number Marking Line 1 Marking Line 3 Shipping Package MX852EB0027 MX852E B0027 Tube 38-Pin 5mm x 7mm LGA MX852EB0027 TR MX852E B0027 Tape and Reel 38-Pin 5mm x 7mm LGA Devices are Green and RoHS compliant. Sample material may have only a partial top mark. DNC /Q3 Q3 VDDO1 /Q4 Q4 VDDO2 VDD Pin Configuration VDDA Q2 VDD /Q2 /Q5 DNC Q5 Q1 DNC /Q1 MX852EB0027 DNC DNC OE1 VSS DNC OE2 DNC VDD DNC DNC DNC VDDA DNC VSS DNC VDDA VSS VSS VSS VSS 38-Pin 5mm x 7mm LGA 07/13/15 MX852E-1480-Rev 0.7 2 M9999-071315-A tcghelp@micrel.com or (408) 955-1690 Micrel, Inc. MX852EB0027 Pin Description Pin Number Pin Name Pin Type 1, 7, 8 VDDA PWR Analog Power Supply 2, 9, 38 VDD PWR Power Supply 3, 4 /Q5, Q5 O, Diff 5, 14, 15, 16, 17 18, 19, 21, 23, 28, 31 DNC 6, 24, 25 EPAD VSS (Exposed Pad) 10 DNC 11 OE1 I, SE 12, 13, 20 VSS PWR 22 OE2 I, SE LVCMOS 26, 27 /Q1, Q1 O, Diff HCSL Bank 1 Clock Output Frequency = 100MHz 29, 30 /Q2, Q2 O, Diff HCSL Bank 1 Clock Output Frequency = 100MHz 32, 33 /Q3, Q3 O, Diff HCSL Bank 1 Clock Output Frequency = 100MHz 34 VDDO1 PWR 35, 36 /Q4, Q4 O, Diff 37 VDD02 PWR 07/13/15 MX852E-1480-Rev 0.7 Pin Level HCSL Pin Function Bank 2 Clock Output Frequency = 100MHz Do not connect anything to these pins. Power Supply Ground. The exposed pad must be connected to the VSS ground plane. PWR Do not connect LVCMOS Output Enable, Bank 1 outputs disable to tri-state, 0 = Disabled, 1 = Enabled, 45k Ohms Pull-Up Crystal Ground Output Enable, Bank 2 outputs disable to tri-state, 0 = Disabled, 1 = Enabled, 45k Ohms Pull-Up Power Supply for the Outputs on Bank 1 HCSL Bank 2 Clock Output Frequency = 100MHz Power Supply for the Outputs on Bank 2 3 M9999-071315-A tcghelp@micrel.com or (408) 955-1690 Micrel, Inc. MX852EB0027 Absolute Maximum Ratings¹ Operating Ratings² Supply Voltage (VDDA, VDD, VDDOx)...............+4.6V Input Voltage (VIN).......................-0.5V to VDD + 0.5V Lead Temperature (soldering, 20s).........................260°C Storage Temperature (TS )......................-65°C to +150°C Supply Voltage (VDDOx, VDD, VDDA) ........+2.375V to +3.465V Ambient Temperature (TA).................-40°C to +85°C Junction Thermal Resistance LGA (TJA ) Still Air....................................38.5°C/W Electrical Characteristics³ VDD = VDDA = VDDO1 = VDDO2 = 3.3V ±5% or 2.5V ±5% VDD = VDDA = 3.3V ±5%, VDDO1 = VDDO2 = 3.3V ±5% or 2.5V ±5% TA = -40°C to +85°C, unless otherwise noted. Symbol Parameter VDDX 2.5V Operating Voltage 3.3V Operating Voltage IDD Core Supply Current Outputs not loaded FO Output Frequency Bank 1 and 2 Fstability Frequency Stability Note 4. Frequency stability over temperature Total stability Tstart Start-Up Time Tskew Output-to-Output Skew Note 5 TR/TF Output Rise/Fall time 20% - 80% HCSL ouput 150 ODC Output Duty Cycle =150mA. The VDDO1 and VDDO2 pins connect directly to the VDD Plane. All VDD pins connect to VDD after the power supply filter. Power Supply Filtering Recommendations Preferred filter, using Micrel MIC94300 or MIC94310 Ripple Blocker: Alternative, traditional filter, using a ferrite bead: Figure 1. VDDA (Analog) traditional Pi filter Figure 2. Recommended Power Supply Filtering Figure 3. Recommended decoupling for each VDDO 07/13/15 MX852E-1480-Rev 0.7 6 M9999-071315-A tcghelp@micrel.com or (408) 955-1690 Micrel, Inc. MX852EB0027 Timing Diagrams Figure 4. Duty Cycle Timing Figure 5. All Outputs Rise/Fall Time RMS Phase/Noise/Jitter Figure 6. RMS Phase/Noise/Jitter Output Termination Figure 7. HCSL Output Load and Test Circuit 07/13/15 MX852E-1480-Rev 0.7 7 M9999-071315-A tcghelp@micrel.com or (408) 955-1690 Micrel, Inc. MX852EB0027 Figure 8. 100MHz HCSL Output, 12kHz-20MHz 254fs Figure 9. 100MHz HCSL Output, 1.5MHz-20MHz 118fs 07/13/15 MX852E-1480-Rev 0.7 8 M9999-071315-A tcghelp@micrel.com or (408) 955-1690 Micrel, Inc. MX852EB0027 Figure 10. 100MHz HCSL Output, 12kHz-40MHz 260fs 07/13/15 MX852E-1480-Rev 0.7 9 M9999-071315-A tcghelp@micrel.com or (408) 955-1690 Micrel, Inc. MX852EB0027 Figure 11. TIE Jitter (10K samples) Figure 12. TIE Jitter (10K samples) 07/13/15 MX852E-1480-Rev 0.7 10 M9999-071315-A tcghelp@micrel.com or (408) 955-1690 Micrel, Inc. MX852EB0027 6 Package Information and Recommended Land Pattern for 38-Pin LGA 38-Pin 5mm x 7mm LGA Note: 6. Package information is correct as of the publication date. For updates and most current information, go to www.micrel.com. Micrel makes no representations or warranties with respect to the accuracy or completeness of the information furnished in this data sheet. This information is not intended as a warranty and Micrel does not assume responsibility for its use. Micrel reserves the right to change circuitry, specifications and descriptions at any time without notice. No license, whether express, implied, arising by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Micrel's terms and conditions of sale for such products, Micrel assumes no liability whatsoever, and Micrel disclaims any express or implied warranty relating to the sale and/or use of Micrel products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Micrel products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser's use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser's own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. © 2015 Micrel, Incorporated. 07/13/15 MX852E-1480-Rev 0.7 11 M9999-071315-A tcghelp@micrel.com or (408) 955-1690