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參數資料
| 型號： | 778-50.000MHZAF0 |
| 廠商： | FOX ELECTRONICS |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 50 MHz, HCMOS OUTPUT |
| 封裝： | ROHS COMPLIANT PACKAGE-4 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 180K |
| 代理商： | 778-50.000MHZAF0 |
FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1.239.693.0099 FAX +1.239.693.1554 http://www.foxonline.com
EMEA Tel/Fax: +44 .1767.312632 | Asia Hong Kong Tel: +852.2854.4285 Fax +852.2854.4282
| Japan Tel: +81.3.3374/2079 Fax: +81.3.3374.5221
2009 FOX ELECTRONICS | ISO9001:2000 Certified
FEATURES
2.5V Operation
Standby Function
Tape and Reel (3,000 pcs. STD)
Frequency
Stability1
±100PPM
±50PPM
±25PPM
Operating
Temperature (C)
-20 ~ +70
-40 ~ +85
-20 ~ +70
-40 ~ +85
-20 ~ +70
Frequency
Range (MHz)
0.750 ~ 50.000
F240
F240R
F245
F245R
F246
0.750 ~ 50.000 MHz
-55C ~ +100C
2.5V ± 5%
5mA
9mA
11mA
40% ~ 60%
10nS
10% Vdd
90% Vdd Min
4mA Min
-4mA Min
15pF
5A
10mS
200nS
10mS
± 5 PPM
260C / 10 Seconds
1
Au
PARAMETERS
Frequency Range
(Fo)
Storage Temperature Range (Tstg)
Supply Voltage
(Vdd)
Input Current
(Idd)
0.750 ~ 19.999 MHz
19.999+ ~ 39.999 MHz
39.999+ ~ 50.000 MHz
Output Symmetry (50% Vdd)
Rise Time (10% ~ 90% Vdd) (Tr)
Fall Time (90% ~ 10% Vdd) (Tf)
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
Aging
(Ta=25C: per year)
Reflow Soldering Temp
Moisture Sensitivity Level (MSL)
Termination Finish
ELECTRICAL CHARACTERISTICS
MAX (unless otherwise noted)
1 Inclusive of 25C tolerance, operating temperature range, input voltage change, load change, shock,
and vibration.
2
An internal pullup resistor from pin 1 to pin 4 allows active output if pin 1 is left open.
Note: A 0.01F capacitor should be placed between Vdd (Pin 4) and GND (Pin2) to minimize
power supply noise. All specifications subject to change without notice.
OUTPUT (Pin 3)
ACTIVE
High Z
EnAbLE / DISAbLE FUnCTIOn
INH (Pin 1)
OPEN
'1' Level Vih
≥ 80% Vdd
'0' Level Vil
≤ 20% Vdd
Model
Number
Part Number
778-Frequency-xxxxx
778R-Frequency-xxxxx
779-Frequency-xxxxx
779R-Frequency-xxxxx
780-Frequency-xxxxx
PART nUMbER SELECTIOn Learn More - Internet Required
HCMOS 2.5x2mm 2.5V Oscillator
Rev. 5/20/2008
RoHS Compliant / Pb Free
Model: F240 SERIES
Page 1 of 2
All dimensions are in millimeters.
Pin Connection
#1 E/D
#3 Output
#2 GND
#4
Vdd
2.5±0.1
0.8±0.1
0.95
2.0±0.1
0.78
0.65
0.68
Recommended
Solder Pad Layout
0.9
0.95
0.8
0.65
#1
#4
#2
#3
#4
#3
#2
#1
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