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參數(shù)資料
| 型號(hào)： | 645-1.800-DM0 |
| 廠商： | FOX ELECTRONICS |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 1.8 MHz, HCMOS OUTPUT |
| 封裝： | ROHS COMPLIANT, SMD, 4 PIN |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 166K |
| 代理商： | 645-1.800-DM0 |
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
2008 FOX ELECTRONICS | ISO9001:2000 Certified
FEATURES
2.5V Operation
HCMOS Output
Low Power Consumption
Standby Function
Tape and Reel (2,000 pcs. STD)
1 Inclusive of 25C 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 0.01F 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.
1.800 ~ 50.000 MHz
-55C ~ +125C
2.5V ± 5%
20mA
45% ~ 55%
6nS
10% Vdd
dd Min
2mA Min
-2mA Min
15pF
10A
5mS
150nS
5mS
PARAMETERS
Frequency Range
(Fo)
Storage Temperature Range (Tstg)
Supply Voltage
(Vdd)
Input Current
(Idd)
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
ELECTRICAL CHARACTERISTICS
MAX (unless otherwise noted)
OUTPUT (Pin 3)
ACTIVE
High Z
EnAbLE / DISAbLE FUnCTIOn
INH (Pin 1)
OPEN 2
'1' Level Vih
≥ 70% Vdd
'0' Level Vil
≤ 30% Vdd
Frequency
Stability1
±100PPM
±50PPM
±25PPM
±25PPM*
±20PPM*
Operating
Temperature (C)
-10 ~ +70
-40 ~ +85
-10 ~ +70
-40 ~ +85
-10 ~ +70
-40 ~ +85
-10 ~ +70
Frequency
Range (MHz)
1.800 ~ 50.000
F340
F340R
F345
F345R
F346
F346R
F348
Model
Number
PRELIMInARY
Part Number
639-Frequency-xxxxx
643-Frequency-xxxxx
640-Frequency-xxxxx
644-Frequency-xxxxx
641-Frequency-xxxxx
645-Frequency-xxxxx
642-Frequency-xxxxx
PART nUMbER SELECTIOn
HCMOS 3.2x2.5mm 2.5V SMD Oscillator
Rev. 4/17/2007
RoHS Compliant / Pb Free
Model: F340 Series
Page 1 of 2
All dimensions are in millimeters.
Pin Connection
#1 E/D**
#3 Output
#2 GND
#4 Vdd
3.2 ± 0.2
1.2 M ax
1.3
0.8
0.4
Solder Pad Layout
Recommended
2.5 ± 0.2
1.2
0.7
0.9
0.8
#1
#2
#4
#3
XpressO Equivalent
Why XpressO?
Lower Cost, Faster Delivery, Low Jitter!
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