MK3723 查看數據表（PDF） - Integrated Circuit Systems
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MK3723 Datasheet PDF : 4 Pages
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PRELIMINARY INFORMATION
MK3723
I CR O C LOC K
Low Cost 3.3 Volt VCXO
Electrical Specifications
Parameter
Conditions
ABSOLUTE MAXIMUM RATINGS (note 1)
Minimum Typical Maximum Units
Supply voltage, VDD
Referenced to GND
Inputs and Clock Outputs
Referenced to GND
-0.5
Ambient Operating Temperature
0
Soldering Temperature
Max of 10 seconds
Storage temperature
-65
DC CHARACTERISTICS (VDD = 3.3 V unless noted)
7
V
VDD+0.5 V
70
°C
260
°C
150
°C
Operating Voltage, VDD
Output High Voltage, VOH
IOH=-12mA
Output Low Voltage, VOL
IOL=12mA
Output High Voltage, VOH, CMOS level
IOH=-4mA
Operating Supply Current, IDD
No Load
Short Circuit Current
VIN, VCXO control voltage
AC CHARACTERISTICS (VDD = 3.3 V unless noted)
3.15
2.4
VDD-0.4
4
±50
0
3.45
V
V
0.4
V
V
mA
mA
3.3
V
Input Crystal Frequency
Input Crystal Accuracy
VCXO Output Clock Frequency
Output Clock Rise Time
Output Clock Fall Time
Output Clock Duty Cycle
Maximum Absolute Jitter, short term
Output frequency pullability, note 2
0.8 to 2.0V
2.0 to 0.8V
At VDD/2
0V ≤ VIN ≤ 3.3 V
16
2
40
±100
50
100
±180
28
MHz
±30
ppm
14
MHz
1.5
ns
1.5
ns
60
%
ps
ppm
Notes: 1. Stresses beyond those listed under Absolute Maximum Ratings could cause permanent damage to the device. Prolonged
exposure to levels above the operating limits but below the Absolute Maximums may affect device reliability.
2. With a ICS/MicroClock approved pullable crystal.
External Components
The MK3723 requires a minimum number of external components for proper operation. A decoupling
capacitor of 0.01µF should be connected between VDD and GND on pins 2 and 4, as close to the
MK3723 as possible. A series termination resistor of 33 Ω may be used for the clock output. The input
crystal must be connected as close to the chip as possible. The input crystal should be a parallel mode,
pullable, AT cut, with 14 pF load capacitance. See previous page for crystal specifications. Consult ICS for
recommended suppliers. IMPORTANT - read application note MAN05 before laying out the PCB.
MDS 3723 A
3
Revision 082800
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA • 95126• (408)295-9800tel • www.icst.com
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