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SIT8944BMR21-30SA61.974001D

Description
61.974001MHz Nom,
CategoryPassive components    oscillator   
File Size844KB,15 Pages
ManufacturerSiTime
Environmental Compliance
Download Datasheet Parametric View All

SIT8944BMR21-30SA61.974001D Overview

61.974001MHz Nom,

SIT8944BMR21-30SA61.974001D Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid145147265264
package instructionDILCC4,.1,83
Reach Compliance Codeunknown
Country Of OriginMalaysia, Taiwan, Thailand
YTEOL6.75
Other featuresSTANDBY FUNCTION
maximum descent time2.46 ns
Frequency Adjustment - MechanicalNO
frequency stability20%
JESD-609 codee4
Installation featuresSURFACE MOUNT
Number of terminals4
Nominal operating frequency61.974001 MHz
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Oscillator typeLVCMOS
Output load15 pF
Maximum output low current4 mA
Encapsulate equivalent codeDILCC4,.1,83
physical size3.2mm x 2.5mm x 0.75mm
longest rise time2.46 ns
Filter levelAEC-Q200
Maximum slew rate4.8 mA
Maximum supply voltage3.3 V
Minimum supply voltage2.7 V
Nominal supply voltage3 V
surface mountYES
maximum symmetry55/45 %
Terminal surfaceNickel/Palladium/Gold (Ni/Pd/Au)
SiT8944B
1 – 110 MHz, -55 to 125°C, Endura™ Series Oscillator
Features
Applications
Best acceleration sensitivity of 0.1 ppb/g
Any frequencies between 1 MHz and 110 MHz accurate to
6 decimal places
Extended temperature range (-55°C to 125°C)
Excellent total frequency stability as low as ±20 ppm
Supply voltage of 1.8V or 2.25V to 3.63V
Low power consumption of 3.8 mA typical at 1.8V
Standby mode for longer battery life
LVCMOS/LVTTL compatible output
AEC-Q100 qualified
Industry-standard packages: 2.0 x 1.6, 2.5 x 2.0, 3.2 x 2.5,
5.0 x 3.2, 7.0 x 5.0 mm x mm
RoHS and REACH compliant, Pb-free, Halogen-free and
Antimony-free
Contact SiTime
for up-screening and LAT programs
Avionics systems
Field communication systems
Telemetry applications
Electrical Characteristics
Table 1. Electrical Characteristics
[1,2]
All Min and Max limits are specified over temperature and rated operating voltage with 15 pF output load unless otherwise sta ted.
Typical values are at 25°C and nominal supply voltage.
Parameters
Symbol
Min.
Typ.
Max.
Unit
Condition
Frequency Range
Output Frequency Range
f
1
110
MHz
Refer to Tables 13 to 15 for a
list supported frequencies
Frequency Stability and Aging
Frequency Stability
F_stab
-20
-25
-30
-50
+20
+25
+30
+50
ppm
ppm
ppm
ppm
Inclusive of Initial tolerance at 25°C, 1st year aging at 25°C,
and variations over operating temperature, rated power
supply voltage and load (15 pF ± 10%)
Operating Temperature Range
Operating Temperature
Range (ambient)
T_use
-40
-40
-40
-55
+85
+105
+125
+125
°C
°C
°C
°C
AEC-Q100 Grade 3
AEC-Q100 Grade 2
AEC-Q100 Grade 1
Extended cold AEC-Q100 Grade1
Rugged Characteristics
Acceleration (g) sensitivity,
Gamma Vector
F_g
0.1
ppb/g
Low sensitivity grade; total gamma over 3 axes; 15 Hz to 2 kHz;
MIL-PRF-55310, computed per section 4.8.18.3.1
Supply Voltage and Current Consumption
Supply Voltage
Vdd
1.62
2.25
Current Consumption
Idd
OE Disable Current
I_od
Standby Current
I_std
1.8
4.0
3.8
2.6
1.4
0.6
1.98
3.63
4.8
4.5
4.5
4.3
V
V
mA
mA
mA
mA
A
A
A
All voltages between 2.25V and 3.63V including 2.5V, 2.8V, 3.0V
and 3.3V are supported
No load condition, f = 20 MHz, Vdd = 2.25V to 3.63V
No load condition, f = 20 MHz, Vdd = 1.8V
Vdd = 2.5V to 3.3V, OE = Low, Output in high Z state
Vdd = 1.8V, OE = Low, Output in high Z state
Vdd = 2.8V to 3.3V,
ST
= Low, Output is weakly pulled down
Vdd = 2.5V,
ST
= Low, Output is weakly pulled down
Vdd = 1.8V,
ST
= Low, Output is weakly pulled down
Rev 1.00
July 24, 2020
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