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DSC2311KM2R0001T Datasheet(数据表) 1 Page - Micrel Semiconductor

部件型号  DSC2311KM2R0001T
说明  Crystal-less™ Configurable Two Output Clock Generator
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制造商  MICREL [Micrel Semiconductor]
网页  http://www.micrel.com
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DSC2311KM2R0001T Datasheet(HTML) 1 Page - Micrel Semiconductor

   
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______________________________________________________________________________________________________________________________________________
DSC2311
Page 1
MK-QB-P-D-130103-04
Crystal-less™ Configurable Two Output Clock Generator
DSC2311
General Description
The
DSC2311
is
a
crystal-less
clock
generator that is factory configurable to
simultaneously
output
two
separate
frequencies from 2.3 to 170 MHz. The clock
generator
uses
proven
silicon
MEMS
technology to provide low jitter and high
frequency stability across a wide range of
supply voltages and temperatures.
By
eliminating the external quartz crystal,
crystal-less clock generators significantly
enhance reliability and accelerate product
development, while meeting stringent clock
performance
criteria
for
a
variety
of
consumer electronics, communications, and
storage applications.
DSC2311 has an Output Enable / Disable
feature allowing it to disable the outputs
when OE is low. The device is available in a
space saving 6 pin 2.5 x 2.0 mm crystal-
less TDFN package that uses only a single
external bypass capacitor. This requires a
PCB footprint equivalent to that of a 1.0 x
1.0 mm crystal-based clock generator.
Block Diagram
Control Circuitry
MEMS
PLL
Output
Control
and
Divider
Fout2
Fout1
OE
Applications
 Consumer Electronics
 Camera and Imaging Modules
 Home Automation
 Industrial and Power Conversion
 Mobile Communications, Internet,
and Sensor Devices
 Solid State, Hard Drive, and
Flash Drive Storage
Features
 Two Simultaneous CMOS Outputs:
o
Output 1 Range: 2.3 to 170 MHz
o
Output 2 Range: 2.3 to 170 MHz
 Low RMS Phase Jitter: <1 ps (typ)
 High Stability: ±25, ±50 ppm
 Wide Temperature Range
o
Automotive: -55° to 125° C
o
Ext. Industrial: -40° to 105° C
o
Industrial: -40° to 85° C
o
Ext. commercial: -20° to 70° C
 High Supply Noise Rejection: -50 dBc
 High Shock & Vibration Immunity
o
Qualified to MIL-STD-883
 High Reliability
o
20x higher MTBF than crystal-based
clock generator designs
 Supply Range of 2.25 to 3.6 V
 Short Lead Times: 2 Weeks
 Lead Free & RoHS Compliant




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