HCMOS 3.3V 32.768kHz SMD Oscillator
MODEL: FK335 Series
PART NUMBER SELECTION
Model Number
Part Number
861-Frequency-xx
861A-Frequency-xx
861B-Frequency-xx
861C-Frequency-xx
861D-Frequency-xx
FK335
FK335R
FK336
FK336R
FK338
RoHS & REACH Compliant / Pb Free
Rev. 11/19/2013
Frequency
Stability (PPM)
±50
±50
±25
±25
±20
Operating
Temperature (°C)
-20 ~ +70
-40 ~ +85
-20 ~ +70
-40 ~ +85
-10 ~ +60
SPECIFICATIONS
Parameter
Frequency
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 (@25°C 1
st
Year)
Maximum Soldering Temp / Time
Moisture Sensitivity Level (MSL)
Termination Finish:
1
2
Max
(unless otherwise noted)
32.768kHz
See Part Number Selection
-55°C ~ +125ºC
3.3V ±10%
130 µA
45% ~ 55%
50 nS
50 nS
10%V
DD
90%V
DD
Min.
15 pF
10 uA
2 mS
1 uS
2 mS
±3 PPM
260°C / 10 Seconds
1
Au over Ni
Inclusive of 25C tolerance after reflow, operating temperature range, supply voltage change and aging.
An internal pull-up resistor from pin 1 to pin 4 allows active output if pin 1 is left open.
ENABLE / DISABLE FUNCTION
Pin1
Out (pin 3)
2
OPEN
Active
Active
‘1’ Level V
IH
70%V
DD
High Z
‘0’ Level V
IL
30%V
DD
Notes:
*A 0.01μF capacitor should be placed between V
DD
(Pin 4) and GND (Pin2) to minimize
power supply line noise.
*Dimensional 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.
FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1.239.693.0099 FAX +1.239.693.1554 www.foxonline.comEMEA Tel: +44 .1283.568153 | Canada
+1.888.438.2369 | Japan Tel: +81.3.3374.2079 | Singapore Tel: +65.68447989© 2013 FOX ELECTRONICS | An Integrated Device Technology, Inc. company | ISO9001:2008 Certified
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