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EMS12 Series Oscillator
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Spread Spectrum MEMS Clock
Oscillators
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Low EMI LVCMOS Output
+2.5V Supply Voltage
Tri-State, Power Down, and
Spread Disable Options
Center Spread and Down Spread
Modulation Options
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4 Pad Plastic SMD Package
30,000 G Shock Resistance
RoHS Compliant (Pb-Free)
Electrical Specifications
Nominal Frequency
Frequency
Tolerance/Stability
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
Operating
Temperature Range
-20°C to +70°C
-40°C to +85°C
Supply Voltage (VDD) 2.5VDC ±10%
Maximum Supply
Voltage
-0.5VDC to +3.65VDC
Input Current
25mA Maximum over Nominal Frequency of 1.000MHz to
25.000MHz (Unloaded; VDD=2.5VDC)
35mA Maximum over Nominal Frequency of 25.000001MHz to
175.000MHz (Unloaded; VDD=2.5VDC)
Output Voltage Logic 90% of VDD Minimum (IOH=-8mA)
High (VOH)
Output Voltage Logic 10% of VDD Maximum (IOL=+8mA)
Low (VOL)
Duty Cycle
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
Rise Time/Fall Time
Measured from 20% to 80% of waveform
2nSec Maximum
Load Drive Capability 15pF Maximum
Output Logic Type LVCMOS
Output Control Function Tri-State (Disabled Output: High Impedance)
Power Down (Disabled Output: Logic Low)
Spread Disable (Spread Spectrum On Output: Disabled)
70% of VDD Minimum or No Connect to Enable Output, 30% of
VDD Maximum to Disable Output(Disabled Output: Logic Low)
Power Down Input
Voltage(Vih and Vil)
Tri-State Input Voltage 70% of VDD Minimum or No Connect to Enable Output, 30% of
(Vih and Vil)
VDD Maximum to Disable Output (Disabled Output: High
Impedance)
Standby Current
Disable Current
50µA Maximum (Disabled Output: Logic Low)
20mA Maximum (Disabled Output: High Impedance)
Spread Spectrum Input 70% of VDD Minimum or No Connect to Enable Spread Spectrum
Voltage(Vih and Vil)
On Output, 30% of VDD Maximum to Disable Spread Spectrum
On Output (Spread Spectrum On Output: Disabled)
±0.25% Center Spread (Not Available with Spread Disable
Output Control Function)
Spread Spectrum
±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, VDD=2.5VDC
Modulation Frequency
Period Jitter
40pSec Maximum
±1ppm Maximum First Year
10mSec Maximum
Aging (at 25°C)
Start Up Time
Storage Temperature -55°C to +125°C
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Mechanical Dimensions
All Dimensions in Millimeters
Pin 1: Power Down(Logic Low) Or Spread Disabled(Disabled) Or Tri-
State(High Impedance)
Pin 3: Output
Pin 4: Supply
Voltage
Pin 2: Ground
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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 ):
±100ppm Maximum over -20°C to +70°C
Frequency Tolerance/Stability:
- Output Control -
Output Control Function:
- Select Output Control First -
Spread Spectrum Percentage:
Tape & Reel
Packaging Options:
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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:
UL94-V0
ESD Susceptibility:
Mechanical Shock:
Moisture Resistance:
Moisture Sensitivity:
Resistance to Soldering
Heat:
MIL-STD-883, Method 3015, Class 2, HBM: 2000V
MIL-STD-883, Method 2002, Condition G, 30,000G
MIL-STD-883, Method 1004
J-STD-020, MSL 1
MIL-STD-202, Method 210, Condition K
Resistance to Solvents:
Solderability:
MIL-STD-202, Method 215
MIL-STD-883, Method 2003 (Four I/O Pads on bottom of
package only)
Temperature Cycling:
Thermal Shock:
Vibration:
MIL-STD-883, Method 1010, Condition B
MIL-STD-883, Method 1011, Condition B
MIL-STD-883, Method 2007, Condition A, 20G
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Other Resources
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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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