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SIT1618B Datasheet(PDF) 16 Page - SiTime Corp. |
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SIT1618B Datasheet(HTML) 16 Page - SiTime Corp. |
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16 / 18 page  The Smart Timing Choice The Smart Timing Choice Silicon MEMS Outperforms Quartz Silicon MEMS Outperforms Quartz Rev. 1.1 www.sitime.com Best Reliability Silicon is inherently more reliable than quartz. Unlike quartz suppliers, SiTime has in-house MEMS and analog CMOS expertise, which allows SiTime to develop the most reliable products. Figure 1 shows a comparison with quartz technology. Why is SiTime Best in Class: • SiTime’s MEMS resonators are vacuum sealed using an advanced EpiSeal™ process, which eliminates foreign par- ticles and improves long term aging and reliability • World-class MEMS and CMOS design expertise Figure 1. Reliability Comparison[1] Best Aging Unlike quartz, MEMS oscillators have excellent long term aging performance which is why every new SiTime product specifies 10-year aging. A comparison is shown in Figure 2. Why is SiTime Best in Class: • SiTime’s MEMS resonators are vacuum sealed using an advanced EpiSeal process, which eliminates foreign parti- cles and improves long term aging and reliability • Inherently better immunity of electrostatically driven MEMS resonator Figure 2. Aging Comparison[2] Best Electro Magnetic Susceptibility (EMS) SiTime’s oscillators in plastic packages are up to 54 times more immune to external electromagnetic fields than quartz oscillators as shown in Figure 3. Why is SiTime Best in Class: • Internal differential architecture for best common mode noise rejection • Electrostatically driven MEMS resonator is more immune to EMS Figure 3. Electro Magnetic Susceptibility (EMS)[3] Best Power Supply Noise Rejection SiTime’s MEMS oscillators are more resilient against noise on the power supply. A comparison is shown in Figure 4. Why is SiTime Best in Class: • On-chip regulators and internal differential architecture for common mode noise rejection • Best analog CMOS design expertise Figure 4. Power Supply Noise Rejection[4] Mean Time Between Failure (Million Hours) 14 16 28 38 500 0 200 400 600 Pericom TXC Epson IDT (Fox) SiTime SiTime 20X Better 1.5 3.5 3.0 8.0 0 2 4 6 8 10 1-Year 10-Year SiTime MEMS vs. Quartz Aging SiTime MEMS Oscillator Quartz Oscillator SiTime 2X Better - 39 - 40 - 42 - 43 - 45 - 73 - 90 - 80 - 70 - 60 - 50 - 40 - 30 Kyocera Epson TXC CW SiLabs SiTime SiTime vs Quartz Electro Magnetic Susceptibility (EMS) SiTime 54X Better 0.0 1.0 2.0 3.0 4.0 5.0 10 100 1,000 10,000 Power Supply Noise Frequency (kHz) Power Supply Noise Rejection SiTIme NDK Epson Kyocera SiTime SiTime 3X Better |
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