Si500 Silicon Oscillator Product Family September 2008 Introducing the Si500 Silicon Oscillator ♦ All silicon oscillator enables replacement of quartz and MEMS XOs with IC solution ¾ Supports any frequency from 0.9 to 200 MHz ♦ CMOS based architecture ¾ Improves reliability and performance ♦ High volume IC manufacturing flow enables short lead times 2 Si500 Replaces Quartz Oscillators Traditional Approach Custom Resonator PLL IC ♦ Unique resonator required for each output frequency ♦ Silicon Labs IC synthesizes all frequencies from single CMOS oscillator ♦ Custom frequencies require fabrication and qualification of new resonator ♦ Factory-programmable to any frequency from to 200 MHz ♦ Costly ceramic or metal packaging with hermetic sealing ♦ Complex manufacturing flow causes long, unpredictable lead times 3 Silicon Labs ♦ Standard IC plastic packaging (3.2x4 mm DFN) ♦ Short lead times (<2 weeks for samples) Frequency Control Market ♦ Si500 targets high volume <100 MHz XO market 4 Leapfrogs MEMS and Traditional Silicon Oscillators Performance/Integration Silicon Labs Si500 Revolutionary technology! ♦ Single IC oscillator ♦ Standard 0.13 μm CMOS ♦ Any frequency up to 200 MHz ♦ CMOS and differential formats ♦ Good jitter/phase noise Traditional Silicon Oscillators ♦ Evolutionary technology ♦ Limited frequencies available to 75 MHz ♦ CMOS format only ♦ Poor jitter/phase noise MEMS MEMS Resonator 5 ♦ ♦ Evolutionary technology ♦ Uses nanotechnology to build silicon resonator ♦ MEMS resonator separate from oscillator die ♦ Requires highly specialized wafer fabrication process ♦ CMOS format only Oscillator ♦ Die Poor jitter/phase noise Si500 Silicon Oscillator (XLO) ♦ Quartz-free, all silicon oscillator ♦ Generates any frequency from 0.9 to 200 MHz ♦ Low jitter: 1.5 ps RMS phase jitter, 2 ps RMS period jitter (max) ♦ ♦ 6 ♦ Driver stopped, tristate, and powerdown options available on OE pin ♦ Footprint compatible with 3.2x5.0 mm layout ♦ Small package: 3.2x4.0 mm DFN Wide selection of output formats: CMOS, LVPECL, LVDS, HCSL, SSTL ♦ 0 to +70 oC operating temperature range ♦ Low voltage operation: 3.3, 2.5 and 1.8 V Dual output CMOS clock oscillators available: produces 2 clocks at same frequency ♦ Low core power: 8 mA Immunity to Shock and Vibration Improves Reliability Quartz XO Hermetically Sealed Ceramic or Metal Package Silicon Labs Si500 Crystal ♦ Relies on mechanical resonator for oscillation ♦ Sensitive to shock and vibration ♦ Requires hermetic assembly to prevent crystal contamination from affecting device performance 7 Plastic Package Silicon Oscillator ♦ No moving parts ♦ Highly immune to shock and vibration ♦ Plastic IC packaging does not require hermetic seal, not susceptible to contamination ♦ Reliable startup and operation High PSRR Simplifies Design ♦ Si500 provides bench-quality jitter performance in real-world applications ♦ Minimizes impact of power supply switching noise on system performance 8 Unmatched Performance and Reliability Key Feature 9 Customer Benefits 100% CMOS silicon oscillator Standard, high volume IC manufacturing flow Short, reliable lead times: <2 weeks for samples Quick turn factory programming for standard/custom frequencies Any-rate frequency support from 0.9 to 200 MHz Simplified component selection Design flexibility Differential clock formats Simplified component selection High reliability Excellent mechanical shock, vibration Fast, reliable startup (3 ms) Reliable long-term operation Low jitter (0.9 ps rms period jitter) Improves system performance Provides extra margin to simplify design High PSRR Simplifies design Reduces product development time 3.2x4 mm DFN packaging Drop-in compatible with 3.2x5 mm XOs Si500 Target Applications 10 Market Application Consumer Digital still cameras, camcorders Storage Hard disk drives, servers Computing PCI Express peripherals Imaging LCD displays Office Automation Printers Industrial White goods, instrumentation, industrial control Si500 Silicon Oscillator Selector Guide Part # Type Package Stability* Output Format Frequency (MHz) Si500S XO 3.2x4 mm 4 pad ±100 ±150 CMOS, SSTL 0.9 to 200 ±100 ±150 LVPECL, LVDS, HCSL, dual output CMOS, diff CMOS, dual output SSTL, diff SSTL 0.9 to 200 Si500D XO 3.2x4 mm 6 pad * Inclusive of: initial frequency accuracy at 25 oC, operating temperature range, supply voltage change, output load change, 1st year aging at 25 oC 260 oC reflow, shock and vibration , ♦ Go to www.silabs.com/BuyXO to request part numbers 11 Easy to Use Tools and Documentation ♦ Product Documentation (www.silabs.com/timing) ¾ Si500S and Si500D data sheets ¾ EVB data sheet ¾ AN409: Output Clock Termination Guidelines ♦ Part Number Utility ¾ www.silabs.com/BuyXO ♦ Evaluation Boards ¾ Si50x-32x4-EVB ¾ Samples should be ordered separately ¾ Contact factory applications for exceptions 12 Si50x-32x4-EVB Summary ♦ Highest performance, all silicon oscillator enables replacement of quartz-based XOs ♦ CMOS-based architecture improves reliability and performance ♦ Si500 provides short, predictable lead times 13 www.silabs.com/Timing