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EMS12 Series Oscillator
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Spread Spectrum MEMS Clock
Oscillators
Low EMI LVCMOS Output
+2.5V Supply Voltage
Tri-State, Power Down, and
Spread Disable Options
Center Spread and Down Spread
Modulation Options
4 Pad Plastic SMD Package
30,000 G Shock Resistance
RoHS Compliant (Pb-Free)
Electrical Specifications
Nominal Frequency
Frequency
Tolerance/Stability
Operating
Temperature Range
Supply Voltage (V
DD
)
Maximum Supply
Voltage
Input Current
1.000MHz to 87.000MHz, 93.000MHz to 175.000MHz
(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° Reflow, Shock and Vibration)
±100ppm Maximum
±50ppm Maximum
-20°C to +70°C
-40°C to +85°C
2.5V
DC
±10%
-0.5V
DC
to +3.65V
DC
25mA Maximum over Nominal Frequency of 1.000MHz to
25.000MHz (Unloaded; V
DD
=2.5V
DC
)
35mA Maximum over Nominal Frequency of 25.000001MHz to
175.000MHz (Unloaded; V
DD
=2.5V
DC
)
90% of V
DD
Minimum (I
O H
=-8mA)
10% of V
DD
Maximum (I
O L
=+8mA)
Measured at 50% of waveform
50 ±5(%) over Nominal Frequency of 1.000MHz to 125.000MHz
50 ±10(%) over Nominal Frequency of 125.000001MHz to
175.000MHz
Measured from 20% to 80% of waveform
2nSec Maximum
15pF Maximum
LVCMOS
Tri-State (Disabled Output: High Impedance)
Power Down (Disabled Output: Logic Low)
Spread Disable (Spread Spectrum On Output: Disabled)
70% of V
DD
Minimum or No Connect to Enable Output, 30% of
V
DD
Maximum to Disable Output(Disabled Output: Logic Low)
70% of V
DD
Minimum or No Connect to Enable Output, 30% of
V
DD
Maximum to Disable Output (Disabled Output: High
Impedance)
50µA Maximum (Disabled Output: Logic Low)
20mA Maximum (Disabled Output: High Impedance)
70% of V
DD
Minimum or No Connect to Enable Spread Spectrum
On Output, 30% of V
DD
Maximum to Disable Spread Spectrum
On Output (Spread Spectrum On Output: Disabled)
±0.25% Center Spread (Not Available with Spread Disable
Output Control Function)
±0.50% Center Spread (Not Available with Spread Disable
Output Control Function)
±1.00% Center Spread (Not Available with Spread Disable
Output Control Function)
-0.50% Down Spread
-1.00% Down Spread
-2.00% Down Spread
30kHz Minimum, 32kHz Typical, 35kHz Maximum
Cycle to Cycle; Spread Spectrum-On; Fo=133.333M, V
DD
=2.5V
DC
40pSec Maximum
±1ppm Maximum First Year
10mSec Maximum
-55°C to +125°C
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Output Voltage Logic
High (V
OH
)
Output Voltage Logic
Low (V
OL
)
Duty Cycle
Rise Time/Fall Time
Load Drive Capability
Output Logic Type
Output Control Function
Power Down Input
Voltage(Vih and Vil)
Tri-State Input Voltage
(Vih and Vil)
Standby Current
Disable Current
Spread Spectrum Input
Voltage(Vih and Vil)
Spread Spectrum
Modulation Frequency
Period Jitter
Aging (at 25°C)
Start Up Time
Storage Temperature
Mechanical Dimensions
All Dimensions in Millimeters
Pin 1: Power Down(Logic Low) Or Spread Disabled(Disabled) Or Tri-
State(High Impedance)
Pin 2: Ground
Pin 3: Output
Pin 4: Supply
Voltage
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Part Number Constructor / Request a Quote or Sample
Please note that this form is intended to provide a listing of standard options. If you
require an option or configuration that is not present here, you may want to fill out our
Custom Oscillator Part Number Request Form. If you have any trouble with this form, or
just have a suggestion as to how it might be improved, please contact our Webmaster.
Enter your part number:
- OR -
Frequency in Megahertz (1.000 to 87.000,
93.000 to 175.000 ):
Frequency Tolerance/Stability:
±100ppm Maximum over -20°C to +70°C
Output Control Function:
- Output Control -
Spread Spectrum Percentage:
- Select Output Control First -
Packaging Options:
Tape & Reel
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Part Numbering Guide
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Marking Specifications
Line 1:
XXXX or XXXXX
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XXXX or XXXXX = Ecliptek Manufacturing Lot Code
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Environmental & Mechanical Specifications
Flammability:
ESD Susceptibility:
Mechanical Shock:
Moisture Resistance:
Moisture Sensitivity:
Resistance to Soldering
Heat:
Resistance to Solvents:
Solderability:
Temperature Cycling:
Thermal Shock:
Vibration:
UL94-V0
MIL-STD-883, Method
MIL-STD-883, Method
MIL-STD-883, Method
J-STD-020, MSL 1
MIL-STD-202, Method
MIL-STD-202, Method
MIL-STD-883, Method
package only)
MIL-STD-883, Method
MIL-STD-883, Method
MIL-STD-883, Method
3015, Class 2, HBM: 2000V
2002, Condition G, 30,000G
1004
210, Condition K
215
2003 (Four I/O Pads on bottom of
1010, Condition B
1011, Condition B
2007, Condition A, 20G
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Other Resources
Download Specification (PDF)
Frequently Asked Questions about EMS12 Series MEMS Clock Oscillators
Test Circuit
Recommended Solder Reflow Methods
Recommended Solder Pad Layout
Tape & Reel Packaging Option
IBIS Model
Oscillator Thermal Resistance
Ecliptek RoHS Compliance Tools & Resources
MEMS Clock Oscillator Qualification and Reliability (MTTF and FIT) Data
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Category
Oscillator
Series
EMS12
Package
Plastic
Voltage
2.5V
Class
OS6C
Revision
D 04-20-2010
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