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Nominal Frequency |
1.544MHz to 80.000MHz, 98.304MHz, 100.000MHz, 106.250MHz, 110.000MHz, and 125.000MHz |
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The specified reference or "center" frequency of the oscillator.
Typically specified in megahertz (MHz)or kilohertz (kHz).
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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,
Shock, and Vibration)
±100ppm Maximum
±50ppm Maximum
±25ppm Maximum
±20ppm Maximum |
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This "inclusive" specification is the amount of frequency deviation
from the center frequency associated with a set of operating
conditions. These conditions include: Operating Temperature Range,
Supply Voltage, and Output Load. This parameter is specified with a
maximum and minimum frequency deviation, expressed in percent (%)
or parts per million (ppm).
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Operating Temperature Range |
0°C to +70°C
-40°C to +85°C |
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The maximum and minimum temperatures that
the oscillator device can be exposed to during oscillation. Over this
temperature range, all of the specified device operating
parameters are guaranteed.
|
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Supply Voltage (VDD) |
1.8VDC ±5% |
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The DC input voltage necessary for oscillator operation, specified in
volts.
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Input Current |
2mA Maximum from 1.544MHz to 10.000MHz
3mA Maximum from 10.001MHz to 25.000MHz
4mA Maximum from 25.001MHz to 40.000MHz
8mA Maximum from 40.001MHz to 50.000MHz
10mA Maximum from 50.001MHz to 70.000MHz
18mA Maximum from 70.001MHz to 100.000MHz
20mA Maximum from 100.001MHz to 110.000MHz
25mA Maximum from 110.001MHz to 125.000MHz
|
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The amount of current consumption by an oscillator from the power
supply, typically specified in milliamps (mA).
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Output Voltage Logic High (VOH) |
90% of VDD Minimum
IOH of -2.8mA from 1.544MHz to 40.000MHz
IOH of -8mA from 40.001MHz to 125.000MHz
|
|
Defined as the Output Voltage Logic High or "Logic 1"
(Figure 1 in oscillator
glossary of terms).
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Output Voltage Logic Low (VOL) |
10% of VDD Maximum
IOL of 2.8mA from 1.544MHz to 40.000MHz
IOL of 8mA from 40.001MHz to 125.000MHz
|
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Defined as the Output Voltage Logic Low or "Logic 0"
(Figure 1 in oscillator
glossary of terms).
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Duty Cycle |
Measured at 50% of waveform
50 ±10(%)
50 ±5(%) |
|
The measure of output waveform uniformity. This term, also referred
to as symmetry, is a measurement of the time that the output
waveform is in a logic high state, expressed as a percentage (%).
This parameter is measured at a specified voltage threshold or at a
percentage of the output waveform amplitude (Figure 1 in the oscillator glossary of terms).
|
|
Rise Time/Fall Time |
Measured over 20% to 80% of waveform
6nSec Maximum from 1.544MHz to 40.000MHz
3nSec Maximum from 40.001MHz to 125.000MHz
|
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The Rise Time, measured in nanoseconds (nSec), is defined as the
transition time from an output logic low to an output logic high.
Conversely, the Fall Time, also measured in nanoseconds (nSec), is
defined as the transition time from an output logic high to an output
logic low. This transition time is measured at specified voltage
thresholds or at specified percentages of the output waveform
amplitude
(Figure 1 in the oscillator glossary of terms).
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Load Drive Capability |
15pF HCMOS Load Maximum |
|
The maximum load the oscillator can drive specified in terms of the
number of gates or the type of load circuit (Figures 2, 3 and 4 in oscillator glossary of terms).
|
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Storage Temperature |
-55°C to +125°C |
|
The minimum and maximum temperatures that the device can
be stored or exposed to when in a non-oscillation state. After exposing or
storing the device at the minimum or maximum temperatures for a length of
time, all of the operating specifications are guaranteed over the specified
Operating Temperature Range.
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| Output Control Function |
Tri-State Enable High |
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| Tri-State Input Voltage |
90% of VDD Minimum or No Connect to Enable Output. 10% of VDD Maximum to Disable Output. |
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| RMS Phase Jitter |
1pSec Maximum (12kHz to 20MHz offset frequency) |
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Start Up Time |
10mSec Maximum |
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The specified time from oscillator power-up to the time the oscillator
reaches steady state oscillation.
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| Standby Current |
Measured with Disabled Output/High Impedance
10µA Maximum from 1.544MHz to 40.000MHz
100µA Maximum from 40.001MHz to 70.000MHz
10µA Maximum from 70.001MHz to 125.000MHz
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