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-107, -108, -109 smd clock oscillators issue 2; 1 november 2008 - rohs 2002/95/ec description a range of tight stability surface mount oscillators in a ? ceramic package with a hermetically sealed metal lid providing the standard watch crystal frequency of 32.768khz package outline 2.5 x 2mm ? frequency range 32.768khz ? output compatibility & load tri-state cmos ? drive capability 15pf max ? frequency stabilities 20ppm, 25ppm, 50ppm, 100ppm ? (inclusive of tolerance and operating temperature range) operating temperature ranges 0 to 70c (cfps-107, 108, 109) ? C40 to 85c (cfps-107i, 108i, 109i) ? storage temperature range C55 to 125c ? tri-state operation logic 1 to pad 1 enables oscillator output ? logic 0 to pad 1 disables oscillator output; when disabled ? the oscillator output goes to the high impedance state no connection to pad 1 enables oscillator output ? supply voltage 1.8v cfps-107 ? 2.5v cfps-108 ? 3.3v cfps-109 ? ageing 3ppm max per year ? environmental shock: mil-std-883f : 2002.4, 1500g, 0.5ms, 3 times in ? each x, y & z axes vibration: mil-std-883f : 2007.3, frequency range ? 20-2000hz, 1.52mm amplitude, peak acceleration 20g marking includes model number ? packaging bulk or tape and reel ? minimum order information required frequency + model number + operating temperature ? code (if applicable) + frequency stability outline (mm) 2.1 max 2.6 max 0.95 max 1.625 0.1 1.0 1.225 pad connections 1. enable/disable 2. gnd 3. output 4. +vs 1.625 1 4 3 2 0.65 0.1 0.9 0.9 1.0 0.775 0.675 solder pad layout output waveform t r t f t t 90%vs 10%vs 50%vs duty cycle = t x 100(%) t +vs 0v test circuit oscilloscope oscillator 2 1 frequency counter a power supply v 15pf * * inclusive of jigging and 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 32.768khz 20ppm, 25ppm, 50ppm, 100ppm 1.8v5% 1.5ma 50ns 50ns 40/60% cfps-107 cfps-107i 2.5v5% 2.5ma cfps-108 cfps-108i 3.3v5% 3.5ma cfps-109 cfps-109i ordering example 32.768khz cfps-109 i c frequency model no. operating temperature code: i = C40 to 85c; not applicable for 0 to 70c frequency stability: g = 20ppm, a= 25ppm, b = 50ppm, c = 100ppm tape (mm) ?178.0 1 ? 60.0 0.25 8.0 11.50.2 +1 -0 ?13 .00.5 reel (mm) 1.750.1 8.00.2 3.50.05 ?1.0 0.80.1 2.20.1 2.70.1 0.250.05 4.00.1 4.00.1 +0.1 -0.0
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