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EMS12 Series Oscillator
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Spread Spectrum MEMS Clock
Oscillators
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Low EMI LVCMOS Output
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+2.5V Supply Voltage
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Tri-State, Power Down, and
Spread Disable Options
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Center Spread and Down Spread
Modulation Options
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4 Pad Plastic SMD Package
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30,000 G Shock Resistance
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RoHS Compliant (Pb-Free)
Electrical Specifications
Nominal Frequency
1.000MHz to 87.000MHz, 93.000MHz to 175.000MHz
Frequency
Tolerance/Stability
(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 (V
DD)
2.5V
DC ±10%
Maximum Supply
Voltage
-0.5V
DC to +3.65VDC
Input Current
25mA Maximum over Nominal Frequency of 1.000MHz to
25.000MHz (Unloaded; V
DD=2.5VDC)
35mA Maximum over Nominal Frequency of 25.000001MHz to
175.000MHz (Unloaded; V
DD=2.5VDC)
Output Voltage Logic
High (V
OH)
90% of V
DD Minimum (IOH=-8mA)
Output Voltage Logic
Low (V
OL)
10% of V
DD Maximum (IOL=+8mA)
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)
Power Down Input
Voltage(Vih and Vil)
70% of V
DD Minimum or No Connect to Enable Output, 30% of
V
DD Maximum to Disable Output(Disabled Output: Logic Low)
Tri-State Input Voltage
(Vih and Vil)
70% of V
DD Minimum or No Connect to Enable Output, 30% of
V
DD Maximum to Disable Output (Disabled Output: High
Impedance)
Standby Current
50A Maximum (Disabled Output: Logic Low)
Disable Current
20mA Maximum (Disabled Output: High Impedance)
Spread Spectrum Input
Voltage(Vih and Vil)
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)
Spread Spectrum
±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
Modulation Frequency
30kHz Minimum, 32kHz Typical, 35kHz Maximum
Period Jitter
Cycle to Cycle; Spread Spectrum-On; Fo=133.333M, V
DD=2.5VDC
40pSec Maximum
Aging (at 25°C)
±1ppm Maximum First Year
Start Up Time
10mSec Maximum
Storage Temperature -55°C to +125°C
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 2: Ground
Pin 4: Supply
Voltage
Part Number Constructor / Request a Quote or Sample
Please note that this form is intended to provide a listing of standard options. If you
Custom Oscillator Part Number Request Form. If you have any trouble with this form, or
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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
Part Numbering Guide
Marking Specifications
Line 1:
XXXX or XXXXX
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XXXX or XXXXX = Ecliptek Manufacturing Lot Code
Environmental & Mechanical Specifications
Flammability:
UL94-V0
ESD Susceptibility:
MIL-STD-883, Method 3015, Class 2, HBM: 2000V
Mechanical Shock:
MIL-STD-883, Method 2002, Condition G, 30,000G
Moisture Resistance:
MIL-STD-883, Method 1004
Moisture Sensitivity:
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 (Four I/O 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
Other Resources
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Category
Oscillator
Series
EMS12
Package
Plastic
Voltage
2.5V
Class
OS6C
Revision
D 04-20-2010