15 sm1145b series 4 pad leadless surface mount clock oscillator recommended for non-standard specifications & frequencies cmos with enable/ disable solder pad compatible to our sm11 series, epson sg615 & sg8002j 650 khz ? 69.999 mhz standard specifications mechanical: not to scale inches (mm) .400 (10.16) max .560 (14.23) max vcc gnd out solder pads ple e/d .195 (4.95) max overall frequency stability sm1145b: 50 ppm, sm1144b: 25 ppm, sm1120b: 20 ppm over operating temp. range operating temperature range 0 to +70 c is standard, but can be extended to - 40 to +85 c for certain frequencies supply voltage (vcc) 5.0 volts and 3.3 volts available symmetry (duty cycle) 40/60 to 60/40% is standard, but 45/55% at 50% of vcc is also available (see waveform 1) output load enable/disable option (e/d) output enabled when pin #1 is open or at logic ?1?; output disabled when pin #1 is at logic ?0?. rise and fall time frequency range (mhz) typical maximum part numbering guide model frequency stability 45 = 50 ppm 44 = 25 ppm sm11 45 b e v - 60.0m - xxx (internal code or blank) consult factory for available frequencies and specs. not all options available for all frequencies. a special part number may b e assigned. frequency stability is inclusive of frequency shifts due to calibration, temperature, supply voltage, shock, vibration and load (425) 776 - 1880, fax: (425) 776- 2760, ple- sales@pletronics.com, www.pletronics.com nov 2006 pl tronics, inc. 0.650 ? 19.999 7 10 4.0 5.0 20.000 ? 27.999 10 15 2.0 3.0 28.000 ? 34.999 15 20 2.0 3.0 35.000 ? 49.999 20 25 2.0 3.0 50.000 ? 69.999 25 37 2.0 3.0 standard load is 15 pf (typ. 1 asic) maximum, see test circuit 3 (consult factory for heavier loads) tr & tf (ns) w/ 15pf load packaging tube or 24mm tape 16mm pitch due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal co de. logic levels logic ?1? 90% of vcc min; logic ?0? 10% of vcc max 20 = 20 ppm .200 (5.08) 1 2 4 3 .15 (3.8) .23 (5.8) .05 (1.3) .12 (3.0) 2 3 4 1 pl tronics , inc. 19013 36th ave. w, suite h lynnwood, wa 98036 usa manufacturer of high quality frequency control products . for best performance, do not allow any traces other than ground under oscillators (even in buried layers) max. supply current icc (ma) w/ 15pf load 3.3v 5.0v frequency in mhz special specifications (choose all that apply) supply voltage (vcc) blank: std specs ( 0 to +70 c, 40/60% symmetry) e: extended operating temperature range (- 40 to +85 c) s: 45/55% symmetry at 50% of vcc blank or y: 5.0v 10% (do not show y if any special specs) v: 3.3 volts 10%
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