HCMOS 32.768kHz SMD Oscillator
Model: F32K
Page 1 of 2
RoHS Compliant / Pb Free
Rev. 5/28/2010
• PART NUMBER SELECTION
Part Number
828-Frequency-xxxxx
Model
Number
F32K
Frequency
Operating
Frequency
Stability
Temperature (ºC)
(kHz)
-90 ~ +10PPM
-20 ~ +70
32.768
- 140 ~ +10PPM
-40 ~ +85
3.2 ± 0.1
#4
#3
• ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency Range (F
o
)
Temperature Range
Operating (T
opr
)
Storage (T
stg
)
Frequency Tolerance @ 25ºC
Frequency Stability (ref @ +25ºC)
-20ºC ~ +70ºC
-40ºC ~ +85ºC
Supply Voltage
(V
dd
)
Input Current
(I
dd
) (no load)
Output Symmety (50% V
dd
)
Rise Time (10% ~ 90% V
dd
) (T
r
)
Fall Time (90% ~ 10% V
dd
) (T
f
)
Output Voltage (CL = 15pF, Ta = +25ºC)
(V
ol
)
(V
oh
)
Output Load
(HCMOS)
Start-up Time
(T
s
)
(VDD) = 1.5V ~ 5.5V, ta = -40ºC ~ +85ºC)
Maximum Soldering Temp / Time
Moisture Sensitivity level (MSL)
Termination Finish:
1
Top
View
Dot denotes
Pin 1
2.5 ± 0.1
#1
#2
MAX
(unless otherwise noted)
32.768 kHz
-40ºC ~ +85ºC
-55ºC ~ +125ºC
+5 ± 20 PPM
-90 ~ +10 PPM
-140 ~ +10 PPM
3.3V ± 10%(Std.)
1.5V ~ 5.5V (Usable)
1.5 µA
40% ~ 60%
200nS
200nS
0.4V
V
dd
-0.4V M
in
15 pF
1S
260ºC / 10 Seconds
1
Au
1.0 Max
1.2
Bottom
View
#1
#4
#2
1.0
#3
0.75
1.0
Recommended
Solder Pad Layout
1.3
An internal pullup resistor from pin 1 to pin 4 allows active operation if pin 1 is left open.
Note: A 0.01µF bypass capacitor should be placed between V
dd
(Pin 4) and GND (Pin 2) to
minimize power supply line noise.
The above specifications, having been carefully prepared and checked, is believed to be accurate
at the time of publication; however, no responsibility is assumed by Fox Electronics for inaccura-
cies. All specifications subject to change without notice.
1.1
0.8
#1
1.0
All dimensions are in millimeters.
Pin Connections
#1 E/D
#2 GND
#3 Output
#4 V
DD
• ENABLE / DISABLE FUNCTION
OUTPUT (Pin 3)
(Pin 1)
ACTIVE
OPEN
1
ACTIVE
'1' Level V
ih
≥
80% V
dd
High Z
'0' Level V
il
≤
20% V
dd
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