SiTime University Turbo Seminar Series. December 2012 Reliability & Resilience
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1 SiTime University Turbo Seminar Series December 2012 Reliability & Resilience
2 Agenda SiTime s Silicon MEMS Oscillator Construction Built for High Volume Mass Production Best Electro Magnetic Susceptibility (EMS) Performance Best Power Supply Noise Rejection Best Resistance to Shock and Vibration World Class Reliability 2
3 MEMS Resonators For All Clocking 5 MHz Resonator 48 MHz Resonator 5MHz resonator In production since khz Resonator <1ps phase jitter In production since 2011 For timekeeping, RTC In production since
4 SiTime s MEMS Oscillator has the Most Flexible System Architecture VDD Oscillator CMOS Die MEMS Resonator Charge Pump Bias Sustaining Circuit Fractional N PLL Dividers, Drivers CLK Temperature to Digital Temperature Compensation GND OTP Memory I/O OE / ST Stacked Die Plastic Package 4
5 Resilience Performance 5
6 Best Electro Magnetic Susceptibility (EMS) Performance 6
7 EMS vs EMI We are analyzing the oscillator s susceptibility to electro magnetic radiated fields (EMS) EM Field Produced by Component Radiated EM Field from External Sources (Other ICs, modules, etc.) EMI Electro Magnetic Interference EMS Electro Magnetic Susceptibility 7
8 EMS Test Setup EM Field Probe Antenna PNA Agilent E5052B Phase Noise Analyzer DSA Agilent DS90604A Digital Signal Analyzer 8
9 Best EMS Performance LVCMOS 60 SiTime vs Quartz Single Ended XO Electro Magnetic Susceptibility (EMS) Average Spurs (db) SiTime up to 4x Better 90 NDK Kyocera TXC SiTime 9
10 Best EMS Performance LVDS/LVPECL 30 LVDS/LVPECL Electro Magnetic Susceptibility (EMS) 40 Average Spurs (db) SiTime up to 54x Better Kyocera Epson TXC Discera CW SiLabs SiTime 10
11 How SiTime Delivers the Best EMS Performance Design & MEMS Structure Differential architecture for best common mode rejection No sensitive, high impedance nodes MEMS ultra small resonator size minimizes antenna pick up effects compared to larger quartz resonator SiTime s MEMS Resonators are Electrostatically Driven Inherently Immune to EMI Quartz Devices are Piezoelectric and are More Susceptible to EMI Definition of EMS EMS is a measure of the timing device s immunity to radiated EMI sources from other electronic components 11
12 Best Power Supply Noise Rejection 12
13 Best Power Supply Noise Rejection LVCMOS Integrated Phase Jitter per mvp p injected noise (ps/mv) Power Supply Noise Rejection SiTIme NDK Epson Kyocera SiTime Up To 7x Better ,000 10,000 Power Supply Noise Frequency (khz) 13
14 How SiTime Delivers the Best Power Supply Noise Rejection Best Oscillator Circuit Design Differential Design for Best Common Mode Rejection 2 Layers of Linear Regulation for Best Supply Noise Immunity Internal Bypass Decoupling for High Freq. Noise Filtering 100% In House Mixed Signal Design (not available from quartz) Continuous improvement and optimization Definition of Power Supply Noise Rejection and test condition Noise on the power supply increases jitter on the clock output. The ability of a timing device to reject this power supply noise is Power Supply Noise Immunity 50mVpp noise injected onto power supply, changing freq. DUT Vdd supply bypassed with 0.1µF//10µF 14
15 Best Shock and Vibration Performance 15
16 Mechanical Shock Test Setup Z Y Reference pin 1 mark for orientation Vertical drop on guide rail Z Continuous Time Interval Analyzer X X, Y Controller Shock Tester Power Supply 16
17 Best Performance Under Shock LVCMOS (500 g) Peak Frequency Deviation (PPM) LVCMOS XO Shock Robustness 500 g SiTime Up to 15x Better TXC Kyocera NDK SiTime MIL STD 883F Method 2002, condition A: half sine wave shock pulse, 500 g, 1ms. 17
18 Best Performance Under Shock LVDS/LVPECL (500 g) Peak Frequency Deviation (PPM) LVDS/LVPECL XO Shock Robustness 500 g SiTime Up to 25x Better Kyocera Epson TXC CW SiLabs SiTime MIL STD 883F Method 2002, condition A: half sine wave shock pulse, 500 g, 1ms 18
19 Random Vibration Test Setup Z X Y Controller Reference pin 1 mark for orientation random 1 D linear displacement Sine or random composite waveform Z Power Amp or sine Shaker Phase Noise Analyzer X, Y Power Supply Phase Noise Analyzer 19
20 Best Phase Jitter Performance Under Vibration LVDS/LVPECL 120 LVDS/LVPECL Induced Phase Jitter Under Random Vibration Induced Integrated Phase Jitter (ps rms) (BW 15Hz 10kHz) SiTime Up to 15x Better Vibration Performance 0 SiTime Epson TXC Conner Winfield Kyocera Discera SiLabs SiTime Random vibration profile: MIL STD 883F Method 2026, Condition B at 7.5g rms. Data plot shows the induced jitter under vibration. Initial phase jitter (no vibe) is subtracted. 20
21 Best Phase Jitter Performance Under Random Vibration SiTime: 5.72ps RMS IPJ Epson: 89ps RMS IPJ 1 Epson 60 Under Vibration No Vibration Under Vibration Phase Noise (dbc/hz) No Vibration TXC: 61ps RMS IPJ Offset Frequency (Hz) Kyocera: 100ps RMS IPJ Phase Noise (dbc/hz) No Vibration Under Vibration Phase Noise (dbc/hz) No Vibration Under Vibration Offset Frequency (Hz) IPJ = Induced Phase Jitter: (Jitter vibe ) 2 (Jitter no vibe ) Offset Frequency (Hz) 21
22 Best Stability Performance Under Vibration LVCMOS & LVDS/LVPECL Vibration Sensitivity vs. Frequency SiTime TXC Epson Conner Winfield Kyocera SiLabs Vibration Sensitivity (ppb/g) Up to 200x Better Performance SiTime Vibration Frequency (Hz) ppb/g error is calculated from the measured phase noise spurs at different vibration frequencies. 22
23 SiTime Delivers 0.1ppb/g Performance in a Plastic Package Putting 0.1pppb/g sensitivity in perspective Quartz requires very specialized packaging to achieve low G sensitivity performance. All SiTime parts are highly resistant to shock and vibration in a standard plastic package no special packaging requirements! Quartz Low G Sensitivity Solution SiTime Standard MEMS XO Quartz 0.4 ppb/g device 9 x 14 x 6.2 mm SiTime 0.1 ppb/g Device 2.0 x 1.6 x 0.75 mm 23
24 What Makes SiTime s Silicon MEMS Reliability and Resilience Superior? 24
25 SiTime s Silicon MEMS XO vs. Quartz XO Functionally Similar Both Require a Resonator Both Require an Oscillator Die But Different! Quartz Resonator Oscillator Die MEMS Resonator Oscillator Die Quartz Resonator Plastic Package Ceramic Package 25
26 SiTime MEMS Oscillators are Inherently Robust Against Shock & Vibration 1. The resonator moving mass is extremely small Large acceleration needed to cause sufficiently large force SiTime MEMS Resonator Mass is 1000 to 3000 Times Smaller Than Quartz! Silicon MEMS Resonator Mass Independent of Package Quartz Resonator Mass Varies with Pkg Size Thickness 1mm 0.1mm 2.5mm Quartz Resonator 5.0 x 3.2mm Package 26
27 SiTime MEMS Oscillators are Inherently Robust Against Shock & Vibration 2. The resonator structure operates like a very stiff spring Very difficult to affect through external force. >1M g needed before resonator touches any surfaces. 55,000 times greater than a Howitzer Cannon! Howitzer Cannon Launches a Ballistic with a Force of 18k g 27
28 SiTime MEMS Oscillators are Inherently Robust Against Shock & Vibration 3. Proprietary Design Our Resonators are Designed Specifically for Low Sensitivity to Any External Mechanical Acceleration Single Point, Center Anchored MEMS Resonator Virtually Eliminates Stress Error Sources 5 MHz Resonator 524 khz Resonator 48 MHz Resonator 28
29 Putting it All Together With World Class Reliability 29
30 Up to 35X Better Reliability Than Quartz Mean Time Between Failure (Million Hours) SiTime 500 IDT (Fox) Epson SiTime Up to 35X Better TXC 16 Pericom
31 Summary Best EMS Performance Because Best Mixed Signal Design Methodology and MEMS structure Electrostatically driven MEMS is more resistant to EMS Best Power Supply Noise Rejection Because In House Analog Design Expertise Differential Oscillator Design Best Shock & Vibration Because Smaller and Stiffer MEMS resonator vs Quartz Single point, Center Anchored MEMS Design Best Reliability Because we are 100% Silicon 500MHr MTBF (2 FIT) 31
32 Contact Information For Questions, contact SiTime Technical Support For Turbo Webinar pdf Downloads on SiTime s Web Site u/turbo webinars All new webinars will be posted within 1 week For a list of part numbers used for each test, contact SiTime Technical Support at the address listed above. 32
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19-3474; Rev 2; 8/07 Silicon Oscillator with Low-Power General Description The dual-speed silicon oscillator with reset is a replacement for ceramic resonators, crystals, crystal oscillator modules, and
Model: FXTC-HE73 Series Preliminary
HCMOS 7 x 5mm 3.3V TCXO Freq: 0.75 MHz to 250MHz Features EXTREMELY Low Jitter XPRESSO Delivery Frequency Resolution to six decimal places -40 to +85 C operating temperatures Tri-State Enable / Disable
PI6LC48P Output LVPECL Networking Clock Generator
Features ÎÎFour differential LVPECL output pairs ÎÎSelectable crystal oscillator interface or LVCMOS/LVTTL single-ended clock input ÎÎSupports the following output frequencies: 156.25MHz, 125MHz, 62.5MHz
ICS309 SERIAL PROGRAMMABLE TRIPLE PLL SS VERSACLOCK SYNTH. Description. Features. Block Diagram DATASHEET
DATASHEET ICS309 Description The ICS309 is a versatile serially-programmable, triple PLL with spread spectrum clock source. The ICS309 can generate any frequency from 250kHz to 200 MHz, and up to 6 different
Logic & Supply Voltage: HC = HCMOS +5V L = LVHCMOS +3.3V P = LVPECL +3.3V
. and 5.0Vdc -.000MHz to 56.2MHz Description Q-Tech s surface-mount QTCV56 VCXOs consist of an IC 5Vdc,.Vdc clock square wave generator and a miniature strip AT quartz crystal built in a low profile ceramic
RF Signal Generators. SG380 Series DC to 2 GHz, 4 GHz and 6 GHz analog signal generators. SG380 Series RF Signal Generators
RF Signal Generators SG380 Series DC to 2 GHz, 4 GHz and 6 GHz analog signal generators SG380 Series RF Signal Generators DC to 2 GHz, 4 GHz or 6 GHz 1 µhz resolution AM, FM, ΦM, PM and sweeps OCXO timebase
Ultra Low Phase Noise VCXO
FEATURES: High "Q", 3rd Overtone Crystal Technology Ultra Low Phase Noise -162 dbc/hz Typ. @ 10kHz offset, 100MHz carrier Standard LVCMOS RF Output Wide Operating Temperature (-40ºC to +85ºC) standard
Preliminary. 2.0 FREQUENCY CHARACTERISTICS Line Parameter Test Condition Value Unit 2.1 Frequency 8 to 1500 MHz 2.2 Operating Temperature Range
RXO5032P SMD Clock Oscillator () High Performance XO in 5 x 3.2 mm Surface Mount package Product description The RXO5032P XO combines very low RMS phase jitter and tight frequency stability in a small
LOW POWER SPREAD SPECTRUM OSCILLATOR
LOW POWER SPREAD SPECTRUM OSCILLATOR SERIES LPSSO WITH SPREAD-OFF FUNCTION 1.0 110.0 MHz FEATURES + 100% pin-to-pin drop-in replacement to quartz and MEMS based XO + Low Power Spread Spectrum Oscillator
±0.1 ppm ±5 % ±0.1 ppm ±10 % 10 kω // 10 pf
Nominal frequency Fo Frequency stability: vs. temperature reference to (FMAX+FMIN)/2 vs. supply voltage changes reference to frequency at nominal supply vs. load changes reference to frequency at nominal
PL600-27T CLK0 XIN/FIN 1. Xtal Osc CLK1 XOUT CLK2. Low Power 3 Output XO PIN ASSIGNMENT FEATURES DESCRIPTION CLK2 GND VDD FIN CLK0 SOT23-6L
FEATURES 3 LVCMOS outputs with OE tri -state control Low current consumption: o
DIFFERATIAL LOW POWER SPREAD SPECTRUM
DIFFERATIAL LOW POWER SPREAD SPECTRUM OSCILLATOR 1.0 220.0 MHz SERIES FEATURES + 100% pin-to-pin drop-in replacement to quartz and MEMS based XO + Differential Low Power Spread Spectrum Oscillator for
PI6LC48P Output LVPECL Networking Clock Generator
Features ÎÎThree differential LVPECL output pairs ÎÎSelectable crystal oscillator interface or LVCMOS/LVTTL single-ended clock input ÎÎSupports the following output frequencies: 125MHz, 156.25MHz, 312.5MHz,
Four-Channel Sample-and-Hold Amplifier AD684
a FEATURES Four Matched Sample-and-Hold Amplifiers Independent Inputs, Outputs and Control Pins 500 ns Hold Mode Settling 1 s Maximum Acquisition Time to 0.01% Low Droop Rate: 0.01 V/ s Internal Hold Capacitors
LVDS 5 x 3.2mm 2.5V Oscillator
LVDS 5 x 3.2mm 2.5V Oscillator Features This part is no longer available from Fox, please contact IDT for this product. Model: FXU-LC52 SERIES Freq: 0.016 MHz to 1.35 GHz Rev. 07/08/2015 ULTRA Low Jitter
LVPECL 5 x 3.2mm 1.8V Oscillator
LVPECL 5 x 3.2mm 1.8V Oscillator Features This part is no longer available from Fox, please contact IDT for this product. Model: FXU-PC51 SERIES Freq: 0.016 MHz to 670 MHz Rev. 05/27/2015 ULTRA Low Jitter
High Performance SAW Oscillators
High Performance SAW Oscillators API Technologies, a leading supplier of standard and custom SAW Oscillators, combines low phase noise, excellent frequency stability and rugged construction in a line-up