clock oscillators iqd frequency products ltd, station road, crewkerne, somerset ta18 8ar, united kingdom tel: +44 (1460) 270200; fax: +44 (1460) 72578; email: info@iqdfrequencyproducts.com web: www.iqdfrequencyproducts.com cfps-37 smd clock oscillators issue 6; 21 januar y 2009 - rohs 2002/95/ec description 2.5v surface mount oscillator in a ceramic package, with a ? hermetically sealed metal lid package outline 5 x 3.2mm ? frequency range 1.8 to 125mhz ? output compatibility & load tri-state cmos ? drive capability 15pf max ? frequency stabilities 25ppm, 50ppm, 100ppm ? (inclusive of supply voltage and output load variations over the operating temperature range) operating temperature ranges C10 to 70c (cfps-37) ? C40 to 85c (cfps-37i) ? storage temperature range C55 to 125c ? tri-state operation logic 1 (>70% vs) to pad 1 enables oscillator output ? logic 0 (<30% vs) to pad 1 disables oscillator output ? and oscillator output goes to the high impedance state no connection to pad 1 enables oscillator output ? standby current 10a max ? environmental shock: mil-std-202f, method 213b (1000g, 0.5ms) ? vibration: mil-std-202f, method 204d, test condition ? d20g (10-2000hz) 4 hrs in x, y & z axes (total 12 hrs) marking includes model number + frequency ? packaging bulk or tape and reel ? minimum order information required frequency + model number + operating temperature ? code (if applicable) + frequency stability outline (mm) 1.0 3.20.2 1.3 max 0.15 5.00.2 solder pad layout pad connections 1. enable/disable 2. gnd 3. output 4. +vs 1 3 4 2 1.5 1.0 1.4 1.4 1.4 1.4 1.1 1.1 output waveform t r t f t t 90%vs 10%vs 50%vs duty cycle = t x 100(%) t test circuit oscilloscope oscillator 2 1 frequency counter a power supply v 15pf * * inclusive of jigging & equipment capacitance +vs +vs 3 4 0.1 f
clock oscillators iqd frequency products ltd, station road, crewkerne, somerset ta18 8ar, united kingdom tel: +44 (1460) 270200; fax: +44 (1460) 72578; email: info@iqdfrequencyproducts.com web: www.iqdfrequencyproducts.com electrical specifcations - maximum limiting values frequency range frequency stability supply voltage supply current rise time (tr) fall time (tf) duty cycle model number 1.8 to 32.0mhz 25ppm*, 50ppm, 100ppm 2.5v5% 10ma 5ns 5ns 45/55% cfps-37 cfps-37i >32.0 to 50.0mhz 20ma >50.0 to 80.0mhz 40/60% >80.0 to 125.0mhz 30ma 4ns 4ns ordering example 10 .0mhz cfps-37 i c frequency model no. operating temperature code: i = C40 to 85c; not applicable for C10 to 70c frequency stability: a = 25ppm, b = 50ppm, c = 100ppm *note - code ia, 25ppm over C40 to 85c is not available please note that the rise and fall times listed are the maximum values we specify to cover various frequency breaks. in practice the actual values are generally lower depending upon the spot frequency chosen. for typical values please contact our sales office. tape (mm) ? 250.0 ? 13.0 2.0 120 (3 equal) ? 21.0 ? 80.0 13.5 2.0 reel (mm) 1.75 5.5 12.0 2.0 8.0 1.4 4.0 ? 1.5 6.4 3.7 ? 1.5 0.3
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