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參數(shù)資料
| 型號(hào)： | E3179LF |
| 廠商： | RAKON LIMITED |
| 元件分類： | XO, clock |
| 英文描述： | TCXO, CLOCK, 20 MHz, HCMOS OUTPUT |
| 封裝： | ROHS COMPLIANT, MINIATURE, SMD, 10 PIN |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 167K |
| 代理商： | E3179LF |
SEMTECH
APPROVED
PRODUCTS
E3179/E3179LF GR-1244 and GR-253 Core Stratum 3
Minature Surface Mount TCXO
Marking
■ Manufacturers ID (
R)
■
Manufacturers identifier (X XX)
■ Pad 1 / Static Sensitivity Identifier (
)
■ Abbreviated Part Number (3179)
■ Oscillator’s Date of Manufacture (YW)
Note: Production parts will be
marked in this format. Sample
marking may vary.
Environmental Specification
■ Storage Temperature Range: -55 to 125°C.
■
Vibration: IEC 60068-2-6 Test Fc Procedure B4, 10-60Hz
1.5mm displacement, at 98.1 ms-2, 30 minutes in each
of three mutually perpendicular axes at 1 octave per
minute.
■
Shock: IEC 60068-2-27 Test Ea, 980ms-2 acceleration for
6ms duration, 3 shocks in each direction along three
mutually perpendicular axes.
■
Soldering: SMD product suitable for Convection Reflow
soldering. Peak temperature 260°C. Maximum time above
220°C, 60 secs.(compatible with lead-free soldering
processes)
■
Marking: Laser marked.
■
RoHS/Soldering: Parts with the suffix ‘LF’ on the part
number are fully compliant with the European Union
directive 2002/95/EC on the restriction of the use of
certain hazardous substances in electrical and
electronic equipment.
Note: The RoHS compliant parts are suitable for assembly
using both Lead-free solders (see Lead-free Reflow
soldering profile) and Tin / Lead solders (see Tin / Lead
Reflow soldering profile).
ISSUE 4 ; 19 MARCH 2009
Nominal Frequency, Fo
■
20.0MHz
Supply Voltage
■ 3.3V ±5%
Input Current
■
< 6mA
Output
■ Type :
HCMOS
■
Load : 15pF max
■
Vol
: < 0.1 * Vs
■
Voh : > 0.9 * Vs
■ Duty Cycle @ 50%: 45% to 55%
■ Rise Time, 10% to 90%: < 9ns
■ Fall Time, 90% to 10%: < 9ns
Holdover Stability [±(Fmax-Fmin) /2.Fo]
■ Temperature, -5 to 80°C ±0.28ppm
■ Temperature, -5 to 80°C, inclusive of
Supply Voltage, 3.3V ±5% and
Ageing 24 hours: < ±0.32ppm
Free-Run Accuracy, incl,
■
Calibration@ 25°C, Temperature -5 to 80°C,
Supply Voltage 3.3V ±5%, Load 15pF±5%,
Reflow Soldering and Ageing 20 years:
< ±4.6ppm ref. to Fo
Phase Noise
■
10Hz
< -85dBc/Hz
■ 100Hz
< -110dBc/Hz
■ 1kHz
<
-125dBc/Hz
■
>10kHz
< -135 dBc/Hz
Tri-state
■
Pad 8 open circuit or > 0.6Vs: Output Enabled
■ Pad 8 < 0.2Vs: Output in Tri-state mode
■
When Tri-stated, the output is disabled but the
oscillator and compensation circuit are still active
(Current consumption < 1mA).
R X XX
3179YW
Private Bag 99943, Newmarket, Auckland 1149, New Zealand
www .r ak on.com
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