FOX
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© 2008 FOX ELECTRONICS | ISO9001:2000 Certied
FEATURES
• Tight Stability
• HCMOS Output
• Operable 1.3V ~ 5.5V
• Tape and Reel (1,000 pcs. STD)
OUTPUT (Pin 3)
ACTIVE
1
High Z
• ENABLE / DISABLE FUNCTION
(Pin 1)
'1' Level Vih ≥ 90% Vdd
'0' Level Vil ≤ 10% Vdd
Frequency
Stability
-120 ~ +10 PPM
Operating
Temperature (ºC)
-40 ~ +85
Frequency
(kHz)
32.768
F254
Model
Number
Part Number
784-Frequency-xxxxx
• PART NUMBER SELECTION
Learn More - Internet Required
1
If Enable/Disable function is not used, please pull Pin 1 to a high potential.
Drawing is for reference to critical specications dened by size measurements.
Certain non-critical visual attributes, such as side castellations, reference pin shape, etc. may
vary. All specications subject to change without notice.
32.768 kHz
-40ºC ~ +85ºC
-55ºC ~ +125ºC
+5±20 PPM
-120 ~ +10 PPM
3.3V ± 10%
(+1.3V ~ +5.5V operable)
1.5 µA
40/60%
200nS
200nS
250nA
0.4V
Vdd -0.4V Min
15pF
1S
260ºC x 10 Seconds
1
Au
PARAMETERS
Frequency Range (Fo)
Temperature Range
Operating (Topr)
Storage (Tstg)
Frequency Tolerance
(Vdd = 3.3V @ 25ºC)
Frequency Stability
Over Temperature Range
(-20ºC ~ +70ºC: ref @ 25ºC)
Supply Voltage (Vdd)
Input Current (Idd)
Symmetry (50% Vdd)
Rise Time (Tr)
Fall Time (Tf)
Standby Current (Ist)
Output Voltage (Vol)
(Voh)
Output Load (HCMOS)
Start-up Time (Ts)
(Vdd = 1.3V ~ 5.5V, -40ºC ~ +85ºC)
Reow Soldering Temp
Moisture Sensitivity Level (MSL)
Termination Finish
• ELECTRICAL CHARACTERISTICS
MAX (unless otherwise noted)
HCMOS 32.768kHz 4x2.5mm SMD Oscillator
Rev. 6/26/2008
RoHS Compliant / Pb Free
http://www.foxonline.com/need_a_sample.htm
Model: F254
Page 1 of 2
#1
#4 #3
#2
#4
#3
#1 #2
4.0±0.2
2.5±0.2
0.9±0.1
0.65
1.0
0.9
2.0
#5 #6
Recom mended
Solder Pad Layout
1.1
1.8
0.9
3.0
Pin Connection
#1 E/D #3 Output
#2 GND #4 Vdd
#5 NC #6 NC
All dimensions are in millimeters.
