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Nominal Frequency |
1.544MHz to 106.250MHz |
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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 |
-10°C to +70°C (Standard)
-40°C to +85°C (Optional) |
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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) |
5.0VDC ±10% |
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The DC input voltage necessary for oscillator operation, specified in
volts.
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Input Current |
Measured with No Load
10mA Maximum from 1.544MHz to 32.000MHz
30mA Maximum from 32.001MHz to 50.000MHz
50mA Maximum from 50.001MHz to 70.000MHz
60mA Maximum from 70.001MHz to 106.250MHz |
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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) |
2.4VDC Minimum with TTL Load
VDD-0.5VDC Minimum with HCMOS Load
- Output Current (IOH) with Standard Loading: -4mA from 1MHz to 35MHz;
-16mA above 35MHz
- Output Current (IOH) with Optional Loading: -16mA
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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) |
0.4VDC Maximum with TTL Load (IOL=+16mA)
0.5VDC Maximum with HCMOS Load (IOL=+16mA)
- Output Current (IOH) with Standard Loading: +4mA from 1MHz to 35MHz; +16mA above 35MHz
- Output Current (IOH) with Optional Loading: +16mA
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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 |
50 ±10(%) (Standard) measured at 1.4VDC with TTL Load or at 50% of
waveform with HCMOS load from 1.544MHz to 70MHz. Measured at 50% of waveform above 70MHz regardless of load.
50 ±5(%) (Optional) measured at 50% of waveform. (For frequencies between 80 and 100 MHz this option is only available
at commercial temperature range ( -10°C to +70°C ) |
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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).
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Rise Time/Fall Time |
Measured over 0.4VDC to 2.4VDC with (LS)TTL load or from 10% to 90% of waveform with HCMOS load.
10nSec Maximum with standard loading, from 1.544MHz to 70MHz
5nSec Maximum with standard loading above 70MHz or with optional loading |
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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 |
(Standard) 10 LSTTL or 30pF HCMOS Load Maximum from 1.544MHz to 70MHz
(Standard) 10 LSTTL or 15pF HCMOS Load Maximum above 70MHz
(Optional) 10 TTL or 50pF HCMOS Load Maximum, 1.544MHz to 70MHz Only. |
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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 |
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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 |
VIH of 2.0VDC or No Connection to enable output. VIL of
0.8VDC or less to disable output (High Impedance) |
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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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