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參數資料
| 型號： | EMS43CHA-27.000M |
| 廠商： | ECLIPTEK CORP |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 27 MHz, LVCMOS OUTPUT |
| 封裝： | ROHS COMPLIANT, SMD, 4 PIN |
| 文件頁數： | 1/5頁 |
| 文件大小： | 202K |
| 代理商： | EMS43CHA-27.000M |
Pb
RoHS
EMS43CHA-27.000M
EMS43 C H A -27.000M
Series
RoHS Compliant (Pb-free) 4 Pad 2mm x 2.5mm SMD
3.3Vdc LVCMOS MEMS Spread Spectrum Oscillator
Frequency Tolerance/Stability
±100ppm Maximum over -20°C to +70°C
Output Control Function
Tri-State (Disabled Output High Impedance)
Nominal Frequency
27.000MHz
Spread Spectrum
±0.25% Center Spread
ELECTRICAL SPECIFICATIONS
Nominal Frequency
27.000MHz
Frequency Tolerance/Stability
±100ppm Maximum over -20°C to +70°C (Inclusive of all conditions: Calibration Tolerance at 25°C,
Frequency Stability over the Operating Temperature Range, Supply Voltage Change, Output Load Change,
First Year Aging at 25°C, 260°C Reflow, Shock, and Vibration)
Aging at 25°C
±1ppm Maximum First Year
Supply Voltage
3.3Vdc ±10%
Maximum Supply Voltage
-0.5Vdc to +3.65Vdc
Input Current
40mA Maximum (Unloaded; Nominal Vdd)
Output Voltage Logic High (Voh)
90% of Vdd Minimum (IOH=-8mA)
Output Voltage Logic Low (Vol)
10% of Vdd Maximum (IOL=+8mA)
Rise/Fall Time
2nSec Maximum (Measured from 20% to 80% of waveform)
Duty Cycle
50 ±5(%) (Measured at 50% of waveform)
Load Drive Capability
15pF Maximum
Output Logic Type
CMOS
Output Control Function
Tri-State (Disabled Output High Impedance)
Tri-State Input Voltage (Vih and Vil)
70% of Vdd Minimum or No Connection to Enable Output, 30% of Vdd Maximum to Disable Output
Disable Current
20mA Maximum (Disabled Output: High Impedance) (Pad 1=Ground)
Spread Spectrum
±0.25% Center Spread
Modulation Frequency
30kHz Minimum, 32kHz Typical, 35kHz Maximum
Period Jitter
30pSec Maximum (Cycle to Cycle; Spread Spectrum-On; Fo=133.333M, Vdd=3.3Vdc)
Start Up Time
10mSec Maximum
Storage Temperature Range
-55°C to +125°C
ENVIRONMENTAL & MECHANICAL SPECIFICATIONS
ESD Susceptibility
MIL-STD-883, Method 3015, Class 2, HBM 2000V
Flammability
UL94-V0
Mechanical Shock
MIL-STD-883, Method 2002, Condition G, 30,000G
Moisture Resistance
MIL-STD-883, Method 1004
Moisture Sensitivity Level
J-STD-020, MSL 1
Resistance to Soldering Heat
MIL-STD-202, Method 210, Condition K
Resistance to Solvents
MIL-STD-202, Method 215
Solderability
MIL-STD-883, Method 2003 (Pads on Bottom of Package Only)
Temperature Cycling
MIL-STD-883, Method 1010, Condition B
Thermal Shock
MIL-STD-883, Method 1011, Condition B
Vibration
MIL-STD-883, Method 2007, Condition A, 20G
www.ecliptek.com | Specification Subject to Change Without Notice | Rev C 3/12/2011 | Page 1 of 5
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