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546LA-19.44

Description
CMOS Output Clock Oscillator, 19.44MHz Nom
CategoryPassive components    oscillator   
File Size36KB,2 Pages
ManufacturerCTS
Download Datasheet Parametric View All

546LA-19.44 Overview

CMOS Output Clock Oscillator, 19.44MHz Nom

546LA-19.44 Parametric

Parameter NameAttribute value
MakerCTS
Reach Compliance Codeunknown
Ageing2.5 PPM/20 YEAR
maximum descent time6 ns
Frequency Adjustment - MechanicalNO
frequency stability0.25%
Manufacturer's serial numberVTTN
Installation featuresSURFACE MOUNT
Nominal operating frequency19.44 MHz
Maximum operating temperature50 °C
Minimum operating temperature-5 °C
Oscillator typeCMOS
Output load10 KOHM, 15 pF
physical size1.15mm x 1mm x 0.39mm
longest rise time6 ns
Maximum supply voltage3.465 V
Minimum supply voltage3.135 V
Nominal supply voltage3.3 V
surface mountYES
maximum symmetry60/40 %
Rev. X01
Preliminary Specification
CTS
Frequency Stability to Stratum 3 of GR-1244
Patented Voltage Tuned Thermistor Network
Very Low Phase Jitter: < 1 pSec
+3.3Vdc or +5.0Vdc Operation
Precision Low Aging “
AT” Cut Crystal
Compatible with Semtech SETS Chipsets
Surface Mount Pkg. – Matches Vectron Z5
Model 546
“VTTN™ ” Series
Stratum 3 TCXO
Electrical Characteristics
Parameter
Power
Requirements
Power Supply
Supply Current
Frequency
Stabilities
Center Frequency
Sym
Vcc
Icc
Conditions
±
5%
546L
±
5%
546S
Vcc=Max. (3.3Vdc)
Std. Load (5.0Vdc)
Min
3.135
4.75
Typical
3.30
5.0
12
15
Max
3.465
5.25
Note 1
Unit
Vdc
Vdc
mA
mA
f
nom
1.25
Initial Tolerance
Freq. vs. Temp.
Freq. vs. Voltage
Freq. vs Time
(Aging)
24 Hour Holdover
Stability
Total Free-
Running Accuracy
Waveform:
CMOS Output
Symmetry
Amplitude
Rise/Fall Times
Load
Phase Noise
f
cal
∆f/∆Temp
Ta=+25°C
38.88
20
19.44
12.8
10
±
0.75
±
0.25
38.88
MHz
ppm
ppm
ppm
ppm
±
0.37
±
4.6
ppm
∆f/∆Vcc
∆f/∆Time
∆f/24Hr
∆f/Life
Vcc
±
5%
20 years
Inclusive of Temp.,
Supply Variation
and 24Hrs. Aging
All Cond. for 20
Yrs. (Ref. to f
nom
)
±
0.1
±
2.5
±
0.30
ppm
Sym
Vo
tr, tf
RL
Pn
@ 50% Level
Logic “
1”
Logic “
0”
20% to 80%
Output to Ground
Offset = 100HZ
1KHz
10KHz
100KHz
12KHz to 20MHz
Bandwidth
40
0.8Vcc
50
60
0.3
6
%
V
V
nSec
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
10KΩ

15pF
-115
-130
-140
-150
1.0
Phase Jitter
pSec RMS
Note 1: Maximum Current will vary with Frequency
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