HcMOS 3.2x2.5mm 2.5V SMD Oscillator
Model: F340 Series
Page 1 of 2
RoHS compliant / Pb Free
Rev. 4/17/2007
FEATURES
•
•
•
•
•
2.5V Operation
HCMOS Output
Low Power Consumption
Standby Function
Tape and Reel
(2,000 pcs. STD)
PREliMinARY
• PART nUMbER SElEcTiOn
Part Number
639-Frequency-xxxxx
643-Frequency-xxxxx
640-Frequency-xxxxx
644-Frequency-xxxxx
641-Frequency-xxxxx
645-Frequency-xxxxx
642-Frequency-xxxxx
Model
Number
F340
F340R
F345
F345R
F346
F346R
F348
Frequency
Operating
Stability
1
Temperature (ºC)
±100PPM
-10 ~ +70
±100PPM
-40 ~ +85
±50PPM
-10 ~ +70
±50PPM
-40 ~ +85
±25PPM
-10 ~ +70
±25PPM*
-40 ~ +85
±20PPM*
-10 ~ +70
Frequency
Range (MHz)
1.800 ~ 50.000
1.800 ~ 50.000
1.800 ~ 50.000
1.800 ~ 50.000
1.800 ~ 50.000
1.800 ~ 50.000
1.800 ~ 50.000
3 .2 ± 0.2
2 .5 ± 0.2
1 .2 M ax
• ElEcTRicAl cHARAcTERiSTicS
PARAMETERS
Frequency Range (F
o
)
Storage Temperature Range (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 Current
(I
ol
)
(I
oh
)
Output Load
(HCMOS)
Standby Current
Start-up Time
(T
s
)
Output Disable Time
2
Output Enable Time
2
1
MAX
(unless otherwise noted)
1.800 ~ 50.000 MHz
-55ºC ~ +125ºC
2.5V ± 5%
20mA
45% ~ 55%
6nS
6nS
10% V
dd
90% V
dd
Min
2mA Min
-2mA Min
15pF
10µA
5mS
150nS
5mS
#1
1.2
#2
#3
0.8
#4
0.7
0.9
Recommended
Solder Pad Layout
1.3
0.4
1.3
0.8
Inclusive of 25ºC tolerance, operating temperature range, input voltage change, load change, ag-
ing, shock, and vibration. *Excludes Shock/Vibration
2
An internal pullup resistor from pin 1 to pin 4 allows active output if pin 1 is left open.
Note: A 0.01µF bypass capacitor should be placed between VDD (Pin 4) and GND (Pin 2) to
minimize power supply line noise.
All specifications subject to change without notice.
All dimensions are in millimeters.
Pin connection
#1 E/D**
#2 GND
#3 Output
#4 V
dd
• EnAblE / DiSAblE FUncTiOn
INH (Pin 1)
OUTPUT (Pin 3)
2
OPEN
ACTIVE
'1' Level V
ih
≥
70% V
dd
ACTIVE
'0' Level V
il
≤
30% V
dd
High Z
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