Si500S S INGLE - E NDED O UTPUT S ILICON O S C I L L A T O R Features Quartz-free, MEMS-free, and PLL-free all-silicon oscillator Any output frequencies from 0.9 to 200 MHz Short lead times Excellent temperature stability (±20 ppm) Highly reliable startup and operation High immunity to shock and vibration Low jitter: <1.5 ps rms 0 to 85 °C operation includes 10-year aging in hot environments Footprint compatible with industrystandard 3.2 x 5.0 mm XOs CMOS and SSTL versions available Driver stopped, tri-state, or powerdown operation RoHS compliant 1.8, 2.5, or 3.3 V options Low power More than 10x better fit rate than competing crystal solutions Specifications Parameters Condition Frequency Range Frequency Stability Operating Temperature Typ Max Units 0.9 — 200 MHz Temperature stability, 0 to +70 °C — ±10 — ppm Temperature stability, 0 to +85 °C — ±20 — ppm Total stability, 0 to +70 °C operation1 — — ±150 ppm Total stability, 0 to +85 °C operation2 — — ±250 ppm Commercial 0 — 70 °C Extended commercial 0 — 85 °C –55 — +125 °C 1.8 V option 1.71 — 1.98 V 2.5 V option 2.25 — 2.75 V 3.3 V option 2.97 — 3.63 V Storage Temperature Supply Voltage Min Notes: 1. Inclusive of 25 °C initial frequency accuracy, operating temperature range, supply voltage change, output load change, first-year aging at 25 °C, shock, vibration, and one solder reflow. 2. Inclusive of 25 °C initial frequency accuracy, operating temperature range, supply voltage change, output load change, ten-year aging at 85 °C, shock, vibration, and one solder reflow. 3. See “AN409: Output Termination Options for the Si500S and Si500D Silicon Oscillators” for further details regarding output clock termination recommendations. 4. VTT = .5 x VDD. 5. VTT = .45 x VDD. Rev. 1.1 10/11 Copyright © 2011 by Silicon Laboratories Si500S Si500S Parameters Supply Current Condition Min Typ Max Units 1.8 V option, 40 pF, 40 MHz, CMOS — 13.9 16 mA 1.8 V option, 10 pF, 200 MHz, CMOS — 16.7 19 mA 2.5 V option, 40 pF, 40 MHz, CMOS — 15.8 18 mA 2.5 V option, 10 pF, 200 MHz, CMOS — 19.3 22 mA 3.3 V option, 40 pF, 40 MHz, CMOS — 17.7 20 mA 3.3 V option, 10 pF, 200 MHz, CMOS — 21.5 24 mA SSTL-3.3, 200 MHz — 18.1 20.2 mA SSTL-2.5, 200 MHz — 18.0 19.7 mA SSTL-1.8, 200 MHz — 16.8 18.7 mA Output Stopped, CMOS — 11.8 13.1 mA Tri-State — 9.7 10.7 mA Powerdown — 1.0 1.9 mA 0.5 x VDD 46 – 13 ns/TCLK — 54 + 13 ns/TCLK % CMOS, CL = 15 pF measured from 20 to 80% of VDD — 1.4 2.0 ns SSTL — — 0.6 ns VOH, sourcing 9 mA VDD – 0.5 — — V VOL, sinking 9 mA — — 0.5 V VOH VTT + 0.375 — — VOL — — VTT – 0.375 VOH VTT + 0.48 — — VOL — — VTT – 0.48 VOH VTT + 0.48 — — VOL — — VTT – 0.48 From time VDD crosses min spec supply — — 2 ms OE Deassertion to Clk Stop — — 250 + 3 x TCLK ns Return from Output Driver Stopped Mode — — 250 + 3 x TCLK ns Return from Tri-State Time — — 12 + 3 x TCLK µs Return from Powerdown Time — — 2 ms Output Symmetry Rise and Fall Times3 CMOS Output Voltage SSTL-1.8 Output Voltage4 SSTL-2.5 Output Voltage4 SSTL-3.3 Output Voltage5 Powerup Time V V V Period Jitter (1-sigma) SSTL3 — 1 2 ps RMS Integrated Phase Jitter 1 MHz – 0.4 x FOUT, SSTL or CMOS and CL < 7 pF, FOUT > 2.5 MHz — 0.7 1.5 ps RMS Notes: 1. Inclusive of 25 °C initial frequency accuracy, operating temperature range, supply voltage change, output load change, first-year aging at 25 °C, shock, vibration, and one solder reflow. 2. Inclusive of 25 °C initial frequency accuracy, operating temperature range, supply voltage change, output load change, ten-year aging at 85 °C, shock, vibration, and one solder reflow. 3. See “AN409: Output Termination Options for the Si500S and Si500D Silicon Oscillators” for further details regarding output clock termination recommendations. 4. VTT = .5 x VDD. 5. VTT = .45 x VDD. 2 Rev. 1.1 Si500S Package Specifications Table 1. Package Diagram Dimensions (mm) Dimension A Min 0.80 Nom 0.85 Max 0.90 Dimension L1 A1 0.00 0.03 0.05 aaa b 1.15 1.20 1.25 Min 0.00 Nom 0.05 Max 0.10 0.10 bbb 0.10 D 3.20 BSC ccc 0.08 e 2.54 BSC ddd 0.10 E 4.00 BSC eee 0.05 L 0.95 1.00 1.05 Table 2. Pad Connections Table 3. Tri-State/Powerdown/Driver Stopped Function on OE (3rd Option Code) 1 OE 2 GND A 3 Output 4 VDD Dimension C1 E X1 Y1 B C D E F Open Active Active Active Active Active Active 1 Active Level TriState Active Powerdown Active Driver Stopped 0 Level Active PowerDriver Active down Stopped TriState Active 0 C CC CC T TTT TT (mm) 2.90 2.40 1.40 1.70 Y Y WW 0 = Si500 CCCCC = mark code TTTTTT = assembly manufacturing code YY = year WW = work week Figure 2. Top Mark Figure 1. Recommended Land Pattern Rev. 1.1 3 Si500S Environmental Compliance Parameter Conditions/Test Method Mechanical Shock MIL-STD-883, Method 2002.4 Mechanical Vibration MIL-STD-883, Method 2007.3 A Resistance to Soldering Heat MIL-STD-202, 260 C° for 8 seconds Solderability MIL-STD-883, Method 2003.8 Damp Heat IEC 68-2-3 Moisture Sensitivity Level J-STD-020, MSL 3 Ordering Information The Si500S supports a variety of options including frequency, output format, supply voltage, and tristate/powerdown/output driver stopped mode. Specific device configurations are programmed into the Si500S at time of shipment. Configurations are specified using the figure below. Silicon Labs provides a web-based part number utility that can be used to simplify part number configuration. Refer to www.silabs.com/SiliconXOPartnumber to access this tool. The Si500S silicon oscillator is supplied in a ROHScompliant, 4-pad, 3.2 x 4.0 mm package. Tape and reel packaging is available as an ordering option. 500S X X X XXMXXXX A C X R Frequency Si500 Oscillator 1 st Option Code A D E H J M V DD Format 3.3 3.3 2.5 2.5 1.8 1.8 CMOS SSTL CMOS SSTL CMOS SSTL R = Tape & Reel Blank = Cut-Tape xMxxxxx: fOUT < 10 MHz xxMxxxx: 10 MHz < f OUT < 100 MHz xxxMxxx: fOUT > 100 MHz 3 rd Option Code Tri-State/Powerdown/ Output Driver Stopped OE active high/tristate A OE active low/tristate B OE active high/powerdown C OE active low/powerdown D OE active high/driver stopped E OE active low/driver stopped F 2 nd Option Code A B Stability (ppm, max) ±150 ±250 Oper. Temp Range F 0 to 70 °C *H 0 to 85 °C Product Revision = C Package A 3.2 x 4.0 mm SMD *Note: Only +250 ppm is supported. 4 Rev. 1.1 Si500S DOCUMENT CHANGE LIST Revision 0.3 to Revision 0.4 Revision B to Revision C updated in Ordering Information 0 to 85 C° Operating Temperature Range option added Multiple CMOS output format codes removed Revision 0.4 to Revision 1.0 Clarified SSTL specifications. Revised CMOS supply current max values . Revision 1.0 to Revision 1.1 Updated Ordering information for ±250 ppm from 0 to +85 °C. Updated jitter from 1.5 ps to 1.5 ps rms. Updated operating temperature to include extended commercial at 0 to +85 °C. Rev. 1.1 5 Si500S CONTACT INFORMATION Silicon Laboratories Inc. 400 West Cesar Chavez Austin, TX 78701 Tel: 1+(512) 416-8500 Fax: 1+(512) 416-9669 Toll Free: 1+(877) 444-3032 Please visit the Silicon Labs Technical Support web page: https://www.silabs.com/support/pages/contacttechnicalsupport.aspx and register to submit a technical support request. The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice. Silicon Laboratories assumes no responsibility for errors and omissions, and disclaims responsibility for any consequences resulting from the use of information included herein. Additionally, Silicon Laboratories assumes no responsibility for the functioning of undescribed features or parameters. Silicon Laboratories reserves the right to make changes without further notice. Silicon Laboratories makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Silicon Laboratories assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. 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