 |
Nominal Frequency |
14.31818MHz to 166.000MHz |
|
The specified reference or "center" frequency of the oscillator.
Typically specified in megahertz (MHz)or kilohertz (kHz).
|
|
Frequency Tolerance/Stability |
(Inclusive of all conditions: Frequency Stability over the Operating Temperature Range,
Supply Voltage Change, Output Load Change, First Year Aging at 25°C, Shock, and
Vibration.)
±100ppm Maximum
|
|
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).
|
|
Operating Temperature Range |
-20°C to +70°C |
|
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.
|
|
Supply Voltage (VDD) |
3.3VDC ±0.3VDC |
|
The DC input voltage necessary for oscillator operation, specified in
volts.
|
|
| Maximum Supply Voltage |
-0.5VDC to 7.0VDC |
|
Input Current |
30mA Maximum (Unloaded; VDD=3.3VDC) |
|
The amount of current consumption by an oscillator from the power
supply, typically specified in milliamps (mA).
|
|
Output Voltage Logic High (VOH) |
VDD-0.4VDC Minimum (IOH=-8mA) |
|
Defined as the Output Voltage Logic High or "Logic 1"
(Figure 1 in oscillator
glossary of terms).
|
|
Output Voltage Logic Low (VOL) |
0.4VDC Maximum (IOL=+8mA) |
|
Defined as the Output Voltage Logic Low or "Logic 0"
(Figure 1 in oscillator
glossary of terms).
|
|
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 from 20% to 80% of waveform.
2.7nSec Maximum |
|
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).
|
|
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).
|
|
| Output Control Function |
(Internal Pull Down Resistor of 100kOhms Typical on Pad 3, Internal Pull Up Resistor of
100kOhms Typical on Pad 1)
Tri-State Enable or Power Down
|
|
| Tri-State/Powerdown Input Voltage |
VIH of 70% of VDD Minimum or No Connection to Enable Output.
VIL of 30% of VDD Maximum to Disable Output (High Impedance State
for Tri-State. Logic Low for Power Down). |
|
| Disable Current (Tri-State Option) |
20mA Maximum (Unloaded; Pad 1 = Ground; VDD = 3.3VDC) |
|
| Tri-State Output Disable Time |
350nSec Maximum |
|
| Tri-State Output Enable Time |
350nSec Maximum |
|
| Standby Current (Power Down Option) |
50µA Maximum (Unloaded; Pad 1 = Ground; VDD = 3.3VDC) |
|
| Power Down Output Disable Time |
350nSec Maximum |
|
| Power Down Output Enable Time |
3mSec Maximum |
|
| Spread Spectrum Range |
Center Spread ±0.25%
Center Spread ±0.50%
Center Spread ±0.75%
Center Spread ±1.00%
Center Spread ±1.50%
Center Spread ±2.00%
Down Spread -0.50%
Down Spread -1.00%
Down Spread -1.50%
Down Spread -2.00%
Down Spread -3.00%
Down Spread -4.00%
|
|
| Modulation Frequency |
30kHz Minimum, 31.5kHz Typical, 33kHz Maximum |
|
| Period Jitter |
(Cycle to Cycle; Spread Spectrum On; VDD = 3.3VDC)
700pSec Maximum from 14.31818MHz to 24.999999MHz
400pSec Maximum from 25.000MHz to 133.000MHz
300pSec Maximum from 133.000001MHz to 166.000MHz
|
|
Start Up Time |
10mSec Maximum |
|
The specified time from oscillator power-up to the time the oscillator
reaches steady state oscillation.
|
|
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.
|
|
| Aging at 25°C |
±5ppm First Year Maximum |
|
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