euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk euro quartz low power clock oscillator description XO327 oscillators are produced in a micro-miniature outline package and provide 32.768khz with low power consumption, typically 1.5 a at 3.3 volts, less for lower supply voltages. additionally, to conserve power the oscillator has a tristate function implemented by default. the oscillator can be supplied with any voltage from 1.5 volts to 5.5 volts. the XO327 oscillator is an ideal choice for a wide range of battery powered, hand held equipment. micro-miniature 3.2mm x 2.5mm package exceptionally low supply current <1.5ua at 3.3v supply wide supply voltage range, 1.5 volts to 5.5 volts tristate function to conserve power stable and clean cmos output features outline & dimensions frequency: 32.7680khz frequency tolerance at 25c supply = 3.3v: +30 to -10ppm frequency stability over temperature -20 to +70c : +30 ppm to -90 ppm (@25c) -40 to +85c: +30 ppm to -130 ppm (@25c) operating conditions operating temperature: -40 to +85c storage temperature: -55 to +125c input voltage: +1.5 v to +5.5 vdc absolute supply voltage: +1.5 v to +5.5 vdc input current: 1.5a (3.3 vdc, -40 to +85c, without load. stand-by current (pad 1 = vil): 250na max. output (-40 to +85c) symmetry: 40/60% at? vdd level (cl=15pf) rise and fall times: 200ns max (cl = 15pf) (10% to 90% vdd levels) "0" level (vol): 0.4v max. (cl = 15pf @ 25c) "1" level (voh): vdd-0.4 v min. (cl = 15pf @ 25c) load: 15 pf max. (cmos) disable delay time: 100 ns max. enable delay time: 1 second max. start-up time: 1 second max. ageing: 5ppm max. at +253c for first year. reflow soldering conditions: +255c 5c for 10 seconds +170c for 1 to 2 minutes (preheating) environmental: lead free and rohs compliant specification part number XO327 oscillators part numbers are ordered with this part number: 32.7680khz XO327 XO327 oscillator 32.768khz enable/disable control pad 1 pad 3 90% vdd min. output (vdd) 10% vdd max. high impedance
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