SiT8004 Low Power Oscillator for High Frequency Applications Features, Benefits and Applications Lowest power, high frequency oscillator with 6.3 mA typical active current 125MHz to 150MHz frequency range LVCMOS/LVTTL compatible output Excellent frequency stability over temperature, 20 PPM Ultra low standby current, 1.2 A Standby or output enable modes Four industry-standard packages: 2.5 x 2.0, 3.2 x 2.5, 5.0 x 3.2, 7.0 x 5.0 mm Drop-in replacement of quartz Ultra short lead time All-silicon device with outstanding reliability of 2 FIT (10x improvement over quartz-based devices), enhancing system mean-time-to-failure (MTBF) Ideal for high frequency applications in networking, storage, computer servers and communications Ideal for high speed protocals: GPON, EPON, Ethernet, SATA/SAS, DDR, PCI Specifications Electrical Characteristics Parameter Output Frequency Range Frequency Stability Aging Operating Temperature Range Symbol Min. Typ. Max. Unit f F_stab 125 -20 -25 - - 150 +20 +25 MHz PPM PPM Inclusive of: Initial stability, operating temperature, rated power, supply voltage change, load change, shock and vibration -50 - +50 PPM 20 PPM available in extended commercial temperature only Ag -1.0 - 1.0 PPM 1st year at 25C T_use - - 2.5 2.8 3.3 6.7 6.2 2.4 1.2 50 1 - +70 +85 2.75 3.08 3.63 8 7 4.3 2.2 60 2 - C C V V V mA mA A A % ns Vdd Extended Commercial Industrial Standby Current I_std Duty Cycle Rise/Fall Time Output Voltage High DC Tr, Tf VOH -20 -40 2.25 2.52 2.97 - - - - 40 - 90% Output Voltage Low VOL - - 10% Vdd Ld - - 15 pF VIH VIL T_start T_resume T_jitt T_phj 70% - - - - - - - - 3.0 - 0.5 - 30% 10 3.8 4.5 - Vdd Vdd ms ms ps ps Supply Voltage Vdd Current Consumption Idd Output Load Input Voltage High Input Voltage Low Startup Time Resume Time RMS Period Jitter RMS Phase Jitter (random) SiTime Corporation Rev. 1.0 990 Almanor Avenue Condition No load condition, f = 125 MHz, Vdd = 3.3 V No load condition, f = 125 MHz, Vdd = 2.5 V or 2.8 V ST = GND, Vdd = 3.3 V, Output is Weakly Pulled Down ST = GND, Vdd = 2.5 or 2.8 V, Output is Weakly Pulled Down All Vdds 20% - 80% Vdd=2.5 V, 2.8 V or 3.3 V, 15 pf load IOH = -4 mA (Vdd = 3.3 V) IOH = -3 mA (Vdd = 2.8 V and Vdd = 2.5 V) IOL = 4 mA (Vdd = 3.3 V) IOL = 3 mA (Vdd = 2.8 V and Vdd = 2.5 V) At 125MHz and max supply voltage. Contact SiTime for higher output load option Pin 1, OE or ST Pin 1, OE or ST Measured from the time Vdd reaches its rated minimum value Measured from the time ST pin crosses 50% threshold f = 125 MHz, Vdd = 2.5 V, 2.8 V or 3.3 V f = 125 MHz, Integration bandwidth = 900 kHz to 7.5 MHz, VDD = 2.5 V, 2.8 V, or 3.3 V Sunnyvale, CA 94085 (408) 328-4400 www.sitime.com Revised November 11, 2010 SiT8004 Low Power Oscillator for High Frequency Applications Specifications (Cont.) Pin Description Tables Pin #1 Functionality OE Pin Map Pin Connection H or Open: specified frequency output 1 OE/ST L: output is high impedance 2 GND 3 CLK 4 VDD ST H or Open: specified frequency output L: output is low level (weak pull down). Oscillation stops Absolute Maximum Table 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 Theta JA (with copper plane on VDD and GND) - 75 C/W C/W Theta JC (with PCB traces of 0.010 inch to all pins) - 24 Soldering Temperature (follow standard Pb free soldering guidelines) - 260 C Number of Program Writes - 1 NA 1,000+ - years Program Retention over -40 to 125C, Process, VDD (0 to 3.65 V) 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 Startup and Resume Timing Diagram 90% Vdd Vdd Vdd Pin 4 Voltage T_resume T_start CLK Output CLK Output T_resume: Time to resume from ST (ST Mode Only) T_start: Time to start from power-off (ST/OE Mode) Rev. 1.0 ST Voltage 50% Vdd Page 2 of 4 www.sitime.com SiT8004 Low Power Oscillator for High Frequency Applications Dimensions and Land Patterns Package Size - Dimensions (Unit: mm)[2] Recommended Land Pattern (Unit: mm)[3] 2.5 x 2.0 x 0.75 mm 2.5 0.10 #3 #4 0.5 1.5 1.1 #2 #2 #1 1.0 YXXXX #1 1.9 1.00 #3 2.0 0.10 #4 0.75 0.05 0.75 1.1 3.2 x 2.5 x 0.75 mm 3.2 0.15 2.1 #3 1.9 0.7 #2 #1 0.9 0.75 0.05 #2 1.2 #1 #4 0.9 YXXXX 2.2 #3 2.5 0.15 #4 1.4 5.0 x 3.2 x 0.75 mm 5.0 0.15 #4 #2 #1 2.2 0.8 #3 0.75 0.05 #2 1.6 1.1 YXXXX #1 2.54 2.39 #3 3.2 0.15 #4 1.15 1.5 7.0 x 5.0 x 0.90 mm 7.0 0.15 #3 5.08 1.7 5.08 #4 #2 0.90 0.10 #2 2.0 1.1 3.81 2.6 YXXX X #1 #3 5.0 0.15 #4 #1 1.4 2.2 Notes: 1. Y denotes manufacturing origin and XXXX denotes manufacturing lot number. The value of "Y" will depend on the assembly location of the device. 2. A capacitor of value 0.1 F between Vdd and GND is recommended. Rev. 1.0 Page 3 of 4 www.sitime.com SiT8004 Low Power Oscillator for High Frequency Applications Part No. Guide - How to Order SiT8004AC-12-33E - 125.00000T Packaging "T" for Tape & Reel "Y" for Tape & Reel, 1K reel Blank for Bulk Part Family "SiT8004" Frequency 125.00000 to 150.00000 MHz Revision Letter "A" is the revision Feature Pin "E" for Output Enable "S" for Standby Temperature Range "C" Extended Commercial, -20 to 70oC "I" Industrial, -40 to 85oC Voltage Supply "25" for 2.5 V "28" for 2.8 V Output Driver Strength [3] "_" Default "33" for 3.3 V Frequency Stability "1" for 20 PPM "2" for 25 PPM "3" for 50 PPM Package Size "1" 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 Note: 3. Contact SiTime for different drive strength options for driving higher loads or reducing EMI. Frequency Stability vs. Temperature Range Options Supply Voltage Frequency Stability (PPM) Temperature Range 2.5 V 2.8 V 3.3 V C (-20 to +70C) I (-40 to +85C) - - - 25 C (-20 to +70C) I (-40 to +85C) 50 C (-20 to +70C) I (-40 to +85C) 20 (c) SiTime Corporation 2010. 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. Disclaimer: SiTime makes no warranty of any kind, express or implied, with regard to this material, and specifically disclaims any and all express or implied warranties, either in fact or by operation of law, statutory or otherwise, including the implied warranties of merchantability and fitness for use or a particular purpose, and any implied warranty arising from course of dealing or usage of trade, as well as any common-law duties relating to accuracy or lack of negligence, with respect to this material, any sitime product and any product documentation. products sold by sitme are not suitable or intended to be used in a life support application or component, to operate nuclear facilities, or in other mission critical applications where human life may be involved or at stake. all sales are made conditioned upon compliance with the critical uses policy set forth below. 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. 1.0 Page 4 of 4 Revised November 11, 2010