39 fox electronics 5570 enterprise parkway fort myers, florida 33905 usa +1.239.693.0099 fax +1.239.693.1554 an integrated device technology, inc. company fox online . com hcmos 2.5v 32.768khz smd oscillator rev. 7/30/2014 rohs/reach compliant / pb free http://www.foxonline.com/need_a_sample.htm model: fk245 series page 1 of 1 output (pin 3) active active high z ? enable / disable function pin 1 open 2 '1' level v ih 70% v dd '0' level v il 30% v dd fea tures ? tight stability ? 2.5v operation ? hcmos output ? standby function 1 inclusive of 25 o c tolerance, operating temperature range, supply voltage change and aging. 2 an internal pullup resistor from pin 1 to pin 4 allows active output if pin 1 is left open. *note: a 0.01f capacitor should be placed between v dd (pin 4) and gnd (pin 2) to minimize power supply line noise. *drawing is for reference to critical specifications defined by size measurements. certain non-critical visual attributes, such as side castellations, reference pin shape, etc. may vary. all specifications subject to change without notice. 32.768khz see part number selection -55oc ~ +125oc 2.5v 10% 126 a 45% ~ 55% 50 ns 50 ns 10% v dd 90% v dd min 15 pf 10 a 2 ms 1 us 2 ms 3 ppm 260oc / 10 seconds 1 au over ni parameters frequency range (f o ) temperature range operating (t opr ) storage (t stg ) supply voltage (v dd ) input current (i dd ) output symmetry (50% v dd ) rise time (10% ~ 90% v dd ) (t r ) fall time (90% ~ 10% v dd ) (t f ) output voltage (v ol ) (v oh ) output load (hcmos) standby current (i std ) start-up time (t s ) output disable time 2 output enable time 2 aging (@25oc 1 st year) maximum soldering temp / time moisture sensitivity level (msl) termination finish ? electrical characteristics max (unless otherwise noted) frequency stability ( ppm) 50 50 25 25 20 operating temperature (oc) -20 ~ +70 -40 ~ +85 -20 ~ +70 -40 ~ +85 -10 ~ +60 fk245 fk245r fk246 fk246r fk248 model number part number 864e-frequency-xxxxx 864f-frequency-xxxxx 864g-frequency-xxxxx 864h-frequency-xxxxx 864j-frequency-xxxxx ? par t number selection hcmos 2.5v 32.768khz smd oscillator rev. 7/30/2014 rohs/reach compliant / pb free http://www.foxonline.com/need_a_sample.htm model: fk345 series page 1 of 1 output (pin 3) active active high z ? enable / disable function pin 1 open 2 '1' level v ih 70% v dd '0' level v il 30% v dd fea tures ? tight stability ? 2.5v operation ? hcmos output ? standby function 1 inclusive of 25 o c tolerance, operating temperature range, supply voltage change and aging. 2 an internal pullup resistor from pin 1 to pin 4 allows active output if pin 1 is left open. *note: a 0.01f capacitor should be placed between v dd (pin 4) and gnd (pin 2) to minimize power supply line noise. *drawing is for reference to critical specifications defined by size measurements. certain non-critical visual attributes, such as side castellations, reference pin shape, etc. may vary. all specifications subject to change without notice. 32.768khz see part number selection -55oc ~ +125oc 2.5v 10% 126 a 45% ~ 55% 50 ns 50 ns 10% v dd 90% v dd min 15 pf 10 a 2 ms 1 us 2 ms 3 ppm 260oc / 10 seconds 1 au over ni parameters frequency range (f o ) temperature range operating (t opr ) storage (t stg ) supply voltage (v dd ) input current (i dd ) output symmetry (50% v dd ) rise time (10% ~ 90% v dd ) (t r ) fall time (90% ~ 10% v dd ) (t f ) output voltage (v ol ) (v oh ) output load (hcmos) standby current (i std ) start-up time (t s ) output disable time 2 output enable time 2 aging (@25oc 1 st year) maximum soldering temp / time moisture sensitivity level (msl) termination finish ? electrical characteristics max (unless otherwise noted) frequency stability ( ppm) 50 50 25 25 20 operating temperature (oc) -20 ~ +70 -40 ~ +85 -20 ~ +70 -40 ~ +85 -10 ~ +60 fk345 FK345R fk346 fk346r fk348 model number part number 861e-frequency-xxxxx 861f-frequency-xxxxx 861g-frequency-xxxxx 861h-frequency-xxxxx 861j-frequency-xxxxx ? par t number selection
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