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参数资料
| 型号： | F249R-54.000MHZ-HM0 |
| 厂商： | FOX ELECTRONICS |
| 元件分类： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 54 MHz, HCMOS OUTPUT |
| 封装： | ROHS COMPLIANT, SMD, 4 PIN |
| 文件页数： | 1/2页 |
| 文件大小： | 477K |
| 代理商： | F249R-54.000MHZ-HM0 |
FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1.239.693.0099 FAX +1.239.693.1554 www.foxonline.com
EMEA Tel: +44 .11283.568153 | Canada +1.888.438.2369 | Asia Hong Kong Tel: +852.2854.4285 | Japan Tel: +81.3.3374.2079
2011 FOX ELECTRONICS | ISO9001:2008 Certified
HCMOS 2.5x2.0mm 2.5V SMD Oscillator
Rev. 6/30/2011
RoHS Compliant / Pb Free
Model: F240 Series
Page 1 of 2
OUTPUT (Pin 3)
ACTIVE
High Z
EnAblE / DiSAblE FunCtiOn
Pin 1
OPEN 2
'1' Level Vih
≥ 70% Vdd
'0' Level Vil
≤ 30% Vdd
4.000 ~ 54.000 MHz
-40C ~ +85C
2.5V ± 10%
7.0mA
45% ~ 55%
5.0nS
10% Vdd
90% Vdd Min
4mA Min
-4mA Min
15pF
10A
10mS
250nS
10mS
-145dBc/Hz Typ.
3pS RMS Typ.
260C / 10 Seconds
1
Au over Ni
PARAMETERS
Frequency Range
(Fo)
Storage Temperature Range
Supply Voltage
(Vdd)
Input Current
Output Symmetry (50% Vdd)
Rise Time (10% ~ 90% Vdd)
Fall Time (90% ~ 10% Vdd)
Output Voltage
(Vol)
(Voh)
Output Current
(Iol)
(Ioh)
Output Load
(HCMOS)
Standby Current
Start-up Time
(Ts)
Output Disable Time 2
Output Enable Time 2
Phase Noise
(@ 10kHz offset)
Period Jitter
Reflow Soldering Temp / Time
Moisture Sensitivity Level (MSL)
Termination Finish
ElECtRiCAl CHARACtERiStiCS
MAX (unless otherwise noted)
1 Inclusive of 25
C tolerance, operating temperature range, input voltage change, load change,
reflow and one year 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 bypass 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.
2 .6 M a x
1 .0 M a x
0 .9 5
2 .1 m a x
0 .7 8
0 .6 5
0 .6 8
R ec ommended
S olde r P a d L a y out
0 .9
0 .9 5
0 .8
0 .6 5
#1
#4
#2
#3
#4
#3
#2
#1
All dimensions are in millimeters.
P in C onne c tions
# 1 E /D
# 3 O utput
# 2 G N D
# 4 V DD
T op
V ie w
B ottom
V ie w
Dot de note s
pin 1 .
FEAtuRES
Tight Stability
2.5V Operation
HCMOS Output
Standby Function
Tape and Reel (3,000 pcs. STD)
Frequency
Stability1
±25PPM
±15PPM
±10PPM
Operating
Temperature (C)
-40 ~ +85
-10 ~ +70
-40 ~ +85
-10 ~ +70
-40 ~ +85
Frequency
Range (MHz)
4.000 ~ 54.000
F246R
F247
F247R
F249
F249R
Model
Number
Part Number
833J-Frequency-xxxxx
833D-Frequency-xxxxx
833E-Frequency-xxxxx
833F-Frequency-xxxxx
833G-Frequency-xxxxx
PARt nuMbER SElECtiOn Learn More - Internet Required
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