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 3.2 x 2.5mm smd oscillator with at-cut crystal description XOA32miniature oscillators consist of a ttl/cmos-compatible hybrid circuit together with a miniature at-cut quartz crystal packaged in a low-profile, industry-standard ceramic package. the at-cut crystal provides high frequency stability but with a low a current consumption, usually only available with a x-cut crystal. 3.2x2.5mm smd package with at-cut crystal for high stability frequency 32.768khz for real time clock applications tristate (enable/disable) function as standard supply voltage 3.3v, 2.5v or 1.8 volts XOA32 low frequency oscillator frequency: from 10khz to 100khz supply voltage: 1.8v or 2.5v10% or 3.3 volts 10% output logic: hcmos/lsttl frequency stability: 25ppm, 50ppm or 100ppm over operating temp. range operating temp. range: -10 to +70c (commercial) -40 to +85c (industrial) supply v. vs. freq. stability: 1ppm max. output load: : 15pf duty cycle: 50%3% tyical, 50%5% max. storage temperature: -55 to +125c startup time: 0.8ms typical 5.0ms max. ageing: 3ppm max. per year tristate function (pad 1): output (pad 3) is active if pad 1 is not connected or a voltage to pad 1 is 'high'. output is high impedance when 'low' or ground is applied to pad 1. enable/disable time: enable: 1ms max., disab: 0.1s max. 32.768khz XOA32025ucta part numbering frequency series designation XOA32 temperature stability 025 = 25ppm 050 = 50ppm 100 = 100ppm output cmos/ttl operating temperature range c = commercial (-10 to +70c) i = industrial (-40 to +85c) tristate function supply voltage a = 3.3volts b = 2.5 volts c = 1.8 volts 32.768khz features example: supply voltage (vdd) +1.8vdc +2.5vdc +3.3vdc current consumption (32.768khz, 15pf load) 65a typ., 80a max. 70a typ., 90a max. 75a typ., 100a max. output logic high (voh; ioh= -1.0ma) 1.62 v min. 2.25v min. 2.97v min. output logic low (vol; iol= -1.0ma) 0.18v max. 0.25v max. 0.33v max. rise time/fall time 5.0ns typ., 10ns max. 4.0ns typ., 10ns max. 3.0ns typ., 10ns max. supply voltage dependant specification general specification outline & dimensions pad connections: 1. high enable 2. ground 3. output 4. supply voltage
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