SiT5001 1-80 MHz MEMS TCXO and VCTCXO The Smart Timing Choice The Smart Timing Choice Features Applications Any frequency between 1 and 80 MHz accurate to 6 decimal places WiFi, 3G, LTE, SDI, Ethernet, SONET, DSL 100% pin-to-pin drop-in replacement to quartz-based (VC)TCXO Telecom, networking, smart meter, wireless, test instrumentation Frequency stability as low as 1.5PPM. Contact SiTime for 1 PPM option Ultra low phase jitter: 0.5 ps (12 kHz to 20 MHz) Voltage control option with pull range from 12.5 PPM to 50 PPM LVCMOS compatible output with SoftEdgeTM option for EMI reduction Voltage control, standby, output enable or no connect modes Standard 4-pin packages: 2.5 x 2.0, 3.2 x 2.5, 5.0 x 3.2, 7.0 x 5.0 mm Outstanding silicon reliability of 2 FIT, 10 times better than quartz Pb-free, RoHs and REACH compliant Electrical Characteristics Parameter Output Frequency Range Initial Tolerance Stability Over Temperature Symbol Min. Typ. Max. Unit f 1 - 80 MHz Condition F_init -1 - 1 PPM At 25C F_stab -1.5 - +1.5 PPM PPM Over operating temperature range at rated nominal power supply voltage and load. (see ordering codes on page 6) -2 - +2 -2.5 - +2.5 PPM -5 - +5 PPM 1.5PPM is available in -20 to 70 C temp. range only. Contact SiTime for 1 PPM options. Supply Voltage F_vdd - 50 - PPB 10% Vdd (5% for Vdd = 1.8V) Output Load F_load - 0.1 - PPM 15 pF 10% of load First year Aging F_aging 10-year Aging -1.5 - +1.5 PPM 25C -3.5 - +3.5 PPM 25C Stability vs. Temperature Slope F_slope - 0.1 - PPM/C Operating Temperature Range T_use -20 - +70 C -40 - +85 C Industrial 1.71 1.8 1.89 V Contact SiTime for any other supply voltage options. 2.25 2.5 2.75 V 2.52 2.8 3.08 V 2.70 3.0 3.3 V 2.97 3.3 3.63 V Supply Voltage Pull Range Vdd PR 12.5, 25, 50 PPM Upper Control Voltage VC_U Vdd-0.1 - - V Control Voltage Range VC_L - - 0.1 V Control Voltage Input Impedance Z_vc 100 - - k Frequency Change Polarity Control Voltage -3dB Bandwidth Current Consumption OE Disable Current Standby Current Duty Cycle LVCMOS Rise/Fall Time - Extended Commercial Positive slope All Vdds. Voltage at which maximum deviation is guaranteed. - V_BW - - 8 kHz Idd - 31 33 mA No load condition, f = 20 MHz, Vdd = 2.5V, 2.8V or 3.3V. - 29 31 mA No load condition, f = 20 MHz, Vdd = 1.8V. - - 31 mA Vdd = 2.5V, 2.8V or 3.3V, OE = GND, output is Weakly Pulled Down - - 30 mA Vdd = 1.8 V. OE = GND, output is Weakly Pulled Down Vdd = 2.5V, 2.8V or 3.3V, ST = GND, output is Weakly Pulled Down. I_OD I_std DC Tr, Tf SoftEdgeTM Rise/Fall Time - - 70 A - - 10 A Vdd = 1.8V. ST = GND, output is Weakly Pulled Down. 45 - 55 % All Vdds - 1.5 2 ns LVCMOS option. Default rise/fall time, All Vdds, 10% - 90% Vdd. SoftEdgeTM Rise/Fall Time Table ns SoftEdgeTM option. Frequency and supply voltage dependent. Output Voltage High VOH 90% - - Vdd Output Voltage Low VOL - - 10% Vdd OH = -7 mA, IOL = 7 mA, (Vdd = 3.3V, 3.0V) IOH = -4 mA, IOL = 4 mA, (Vdd = 2.8V, 2.5V) IOH = -2 mA, IOL = 2 mA, (Vdd = 1.8V) Input Voltage High VIH 70% - - Vdd Pin 1, OE or ST Input Voltage Low VIL - - 30% Vdd Pin 1, OE or ST Input Pull-up Impedance Z_in - 100 250 k Rev. 0.90 Page 1 of 7 www.sitime.com SiT5001 1-80 MHz MEMS TCXO and VCTCXO The Smart Timing Choice The Smart Timing Choice Electrical Characteristics (continued) Parameter Startup Time OE Enable/Disable Time Symbol Min. Typ. Max. Unit Condition T_start - - 10 ms Measured from the time Vdd reaches its rated minimum value f = 80 MHz. For other frequencies, T_oe = 100 ns + 3 cycles T_oe - - 150 ns T_resume - 6 10 ms Measured from the time ST pin crosses 50% threshold RMS Period Jitter T_jitt - 1.7 2 ps f = 10 MHz, Vdd = 2.5V, 2.8V or 3.3V - 1.7 2 ps f = 10 MHz, Vdd = 1.8V RMS Phase Jitter (random) T_phj - 0.5 1 ps f = 10 MHz, Integration bandwidth = 12 kHz to 20 MHz, All Vdds Resume Time Note: 1. All electrical specifications in the above table are measured with 15pF output load, Contact SiTime for higher drive options. Pin Configuration Pin Symbol Functionality V control 1 Top View Voltage control [2] Output Enable H or Open : specified frequency output L: output is high impedance. Only output driver is disabled. Standby H or Open[2]: specified frequency output L: output is low (weak pull down). Device goes to sleep mode. Supply current reduces to I_std. VC/OE/ST/NC NC VC/OE/ST 1 4 VDD GND 2 3 OUT No connect (input receiver off) 2 GND Power Electrical and case ground 3 CLK Output Oscillator output 4 VDD Power Power supply voltage Note: 2. A pull-up resistor of <10 k between OE/ ST pin and Vdd is recommended in high noise environment when the device operates in OE/ST mode. Absolute Maximum Attempted operation outside the absolute maximum ratings of the part may cause permanent damage to the part. Actual performance of the IC is only guaranteed within the operational specifications, not at absolute maximum ratings. Min. Max. Unit Storage Temperature Parameter -65 150 C VDD -0.5 4 V Electrostatic Discharge - 2000 V Soldering Temperature (follow standard Pb free soldering guidelines) - 260 C Environmental Compliance Parameter Condition/Test Method Mechanical Shock MIL-STD-883F, Method 2002 Mechanical Vibration MIL-STD-883F, Method 2007 Temperature Cycle JESD22, Method A104 Solderability MIL-STD-883F, Method 2003 Moisture Sensitivity Level MSL1 @ 260C Rev. 0.90 Page 2 of 7 www.sitime.com SiT5001 1-80 MHz MEMS TCXO and VCTCXO The Smart Timing Choice The Smart Timing Choice Timing Diagram 90% Vdd, 2.5/2,8/3.3V devices Vdd 95% Vdd, 1.8V devices Vdd Pin 4 Voltage ST Voltage 50% Vdd T_resume T_start CLK Output CLK Output T_start: Time to start from power-off T_resume: Time to resume from ST (ST/OE Mode) (ST Mode Only) Phase Noise Plot Phase Noise, 10M Hz carrier, 3.3V, LVCM OS output, TCXO -100 Phase Noise (dBc/Hz) -110 Integrated random phase jitter (RM S, 12kHz-5M Hz): 0.52ps -120 -130 -140 -150 -160 -170 3 10 Rev. 0.90 4 10 5 10 Frequency O ffset (Hz) Page 3 of 7 6 10 www.sitime.com SiT5001 1-80 MHz MEMS TCXO and VCTCXO The Smart Timing Choice The Smart Timing Choice SoftEdgeTM Option The SoftEdgeTM output is available as a standard option for the SiT500x family of MEMS (VC)TCXOs. It is typically used for EMI reduction similar to that of the clipped sinewave output common to many quartz based TCXOs. In the SoftEdgeTM mode, the slower rise/fall edges of the output waveform reduce the higher clock harmonics in a digital clock signal, minimizing EMI radiation at these harmonics. The table below show the actual rise/fall time in relation to the desired output frequency and the supply voltage with a 10 k / 10pF load. Rail-to-rail swing of the output is maintained for these supported frequencies. Rise/Fall Time for SoftEdgeTM Option Parameter Symbol Min. Typ. Max. Unit Tr, Tf 4.0 6.5 9.5 ns 1-26MHz, 1.8V, 3.0 and 3.3V, MHz 10k and 10 pF, 20%-80% Vd 2.5 4.0 6.0 ns 1-26MHz, 2.5V and 2.8V, MHz 10k and 10 pF, 20%-80% Vdd 1.5 3.5 5.0 ns 26-50MHz, 1.8V, 3.0V and 3.3V, MHz 10k and 10 pF, 20%-80% Vdd 1.5 2.5 4.5 ns 26-50 MHz, 2.5V and 2.8V, MHz 10k and 10 pF, 20%-80% Vdd Rise/Fall Time Condition SoftEdgeTM Waveform Examples and Corresponding Harmonics Reduction Figures below illustrate the harmonic power reduction as the rise/fall times are slowed from the standard squarewave output to that of the SoftEdgeTM output. In general, the 1.8V device shows the lowest harmonics and provides best EMI performance comparing to devices with higher operating voltages. Odd Harmonic Power Comparison for LVCMOS and SoftEdgeTM Outputs, VDD = 3.3V LVCMOS and SoftEdgeTM Outputs, VDD = 3.3V 3.5 20 SoftEdge LVCMOS 3 Harmonic Power (dbm) 2.5 Amplitude (V) SoftEdge LVCMOS 10 2 1.5 1 -10dBm 0 -10 -20 -24.4dbm -30 0.5 0 -40 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 0 2 4 6 8 10 12 14 16 18 20 Harmonic Number Time (ns) LVCMOS and SoftEdge Outputs, VDD = 1.8V SoftEdge LVCMOS 20 Odd Harmonic Power Comparison for LVCMOS and SoftEdge Outputs, VDD = 1.8V SoftEdge LVCMOS Amplitude ( 0.5V/Div ) Harmonic Power (dbm) 10 0 -17 dBm -10 -20 -22 dBm -30 -40 Time ( 20ns/Div ) 0 2 4 6 8 10 12 14 16 18 20 Harmonic Number LVCMOS and SoftEdge Outputs, VDD = 2.5V 20 Odd Harmonic Power Comparison for LVCMOS and SoftEdge Outputs, VDD = 2.5V SoftEdge LVCMOS SoftEdge LVCMOS Amplitude( 0.5V/Div) Harmonic Power (dbm) 10 0 -11 dBm -10 -20 -20 dBm -30 -40 Time (20 ns/Div) Rev. 0.90 0 2 4 6 8 10 12 14 16 18 20 Harmonic Number Page 4 of 7 www.sitime.com SiT5001 1-80 MHz MEMS TCXO and VCTCXO The Smart Timing Choice The Smart Timing Choice Dimensions and Patterns Package Size - Dimensions (Unit: mm) [3] Recommended Land Pattern (Unit: mm) [4] 2.7 x 2.4 x 0.75 mm (100% compatible with 2.5 x 2. 0 mm footprint) YXXXX 3.2 x 2.5 x 0.75 mm 3.2 0.05 #3 1.9 0.9 #4 #2 #1 0.9 0.75 0.05 #2 1.2 0.7 YXXXX #1 2.2 2.1 #3 2.5 0.05 #4 1.4 5.0 x 3.2 x 0.75 mm 2.54 5.0 0.05 #2 #1 2.2 1.6 #2 0.75 0.05 #1 #4 1.1 YXXXX #3 0.8 #3 3.2 0.05 #4 2.39 1.15 1.5 7.0 x 5.0 x 0.90 mm 0.90 0.10 2.0 1.1 3.81 2.6 5.0 0.05 YXXXX 5.08 5.08 7.0 0.05 1.4 2.2 Notes: 3. Top marking: Y denotes manufacturing origin and XXXX denotes manufacturing lot number. The value of "Y" will depend on the assembly location of the device. 4. A capacitor of value 0.1 F between Vdd and GND is recommended. Rev. 0.90 Page 5 of 7 www.sitime.com SiT5001 1-80 MHz MEMS TCXO and VCTCXO The Smart Timing Choice The Smart Timing Choice Ordering Information The Part No. Guide is for reference only. To customize and build an exact part number, use the SiTime Part Number Generator. SiT5001AC -2D-18VQ-1 9 .200000T Packaging "T": Tape & Reel, 3K reel "Y": Tape & Reel, 1K reel Blank for Bulk Part Family SiT5001 Revision Letter Frequency 1.000000 to 80.000000 MHz "A" is the revision "0" for fixed frequency (Pin1 = "E", "S" or "N" options) Temperature Range "C" Commercial, -20 to 70C "I" Industrial, -40 to 85C Pull Range Options (Pin1 = "V" option only) Output Waveform "-" Default "C" SoftEdgeTM Option[5] "Q" for 12.5 PPM "M" for 25 PPM "B" for 50 PPM Package Size "G" 2.5 x 2.0 mm "2" 3.2 x 2.5 mm "3" 5.0 x 3.2 mm "8" 7.0 x 5.0 mm Feature Pin (pin 1) "V" for Voltage Control "E" for Output Enable "S" for Standby "N" for No Connect Frequency Stability Supply Voltage "A" for 1.0 PPM "B" for 1.5 PPM "C" for 2.0 PPM "D" for 2.5 PPM "E" for 5 PPM "18" for 1.8 V 5% "25" for 2.5 V 10% "28" for 2.8 V 10% "30" for 3.0 V 10% "33" for 3.3 V 10% Note: 5. SiTime's SoftEdgeTM output waveform with 6 ns rise/fall time reduces EMI and is similar to clipped sine wave in functionality. Frequency Stability vs. Temperature Range Options Frequency Stability (PPM) Rev. 0.90 Temperature Range C (-20 to +70C) I (-40 to +85C) 5 2.5 2 1.5 Contact SiTime 1 Contact SiTime Contact SiTime Page 6 of 7 www.sitime.com SiT5001 1-80 MHz MEMS TCXO and VCTCXO The Smart Timing Choice The Smart Timing Choice Additional Information Document Description Download Link Manufacturing Notes Tape & Reel dimension, reflow profile and other manufacturing related info http://www.sitime.com/component/docman/doc_download/85-manu facturing-notes-for-sitime-oscillators Qualification Reports RoHS report, reliability reports, composition reports http://www.sitime.com/support/quality-and-reliability http://www.sitime.com/support/performance-measurement-report Performance Reports Additional performance data such as phase noise, current consumption and jitter for selected frequencies Termination Techniques Termination design recommendations http://www.sitime.com/support/application-notes Layout Techniques Layout recommendations http://www.sitime.com/support/application-notes (c) SiTime Corporation 2012. The information contained herein is subject to change at any time without notice. SiTime assumes no responsibility or liability for any loss, damage or defect of a Product which is caused in whole or in part by (i) use of any circuitry other than circuitry embodied in a SiTime product, (ii) misuse or abuse including static discharge, neglect or accident, (iii) unauthorized modification or repairs which have been soldered or altered during assembly and are not capable of being tested by SiTime under its normal test conditions, or (iv) improper installation, storage, handling, warehousing or transportation, or (v) being subjected to unusual physical, thermal, or electrical stress. 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CRITICAL USE EXCLUSION POLICY BUYER AGREES NOT TO USE SITIME'S PRODUCTS FOR ANY APPLICATION OR IN ANY COMPONENTS USED IN LIFE SUPPORT DEVICES OR TO OPERATE NUCLEAR FACILITIES OR FOR USE IN OTHER MISSION-CRITICAL APPLICATIONS OR COMPONENTS WHERE HUMAN LIFE OR PROPERTY MAY BE AT STAKE. SiTime owns all rights, title and interest to the intellectual property related to SiTime's products, including any software, firmware, copyright, patent, or trademark. The sale of SiTime products does not convey or imply any license under patent or other rights. SiTime retains the copyright and trademark rights in all documents, catalogs and plans supplied pursuant to or ancillary to the sale of products or services by SiTime. Unless otherwise agreed to in writing by SiTime, any reproduction, modification, translation, compilation, or representation of this material shall be strictly prohibited. Rev. 0.90 Page 7 of 7 www.sitime.com