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DSC511-03 Datasheet Preview

DSC511-03 Datasheet

Crystal-less Two Output Clock Generator

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DSC511-03
Crystal-less Two Output Clock Generator
General Description
The DSC511-03 is a crystal-less, two output
clock generator. The clock generator uses
proven silicon MEMS technology to provide
excellent jitter and stability over a wide
range of supply voltages and temperatures.
By eliminating the external quartz crystal,
MEMS clock generators significantly
enhance reliability and accelerate product
development, while meeting stringent clock
performance criteria for a variety of
communications, storage, and networking
applications.
DSC511-03 has a 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 QFN
package.
Block Diagram
Features
Low RMS Phase Jitter: <1 ps (typ)
High Stability: ±10, ±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
Two Independent CMOS Outputs
Wide Freq. Range:
o CMOS Output: 2.3 to 170 MHz
Miniature Footprint of 2.5 x 2.0 mm
Excellent Shock & Vibration Immunity
o Qualified to MIL-STD-883
High Reliability
o 20x better MTF than quartz oscillators
Supply Range of 2.25 to 3.6 V
Lead Free & RoHS Compliant
Control Circuitry
MEMS
PLL
OE
Output
Control
and
Divider
Applications
CLK0
Consumer Electronics
Solid State Storage
CLK1 Storage Area Networks
Passive Optical Networks
o EPON, 10G-EPON, GPON, 10G-PON
Ethernet
o 1G, 10GBASE-T/KR/LR/SR, and FCoE
HD/SD/SDI Video & Surveillance
Industrial and Medical
_____________________________________________________________________________________________________________________________ _________________
DSC511-03
Page 1
MK-QB-P-D-130103-01-1




Micrel

DSC511-03 Datasheet Preview

DSC511-03 Datasheet

Crystal-less Two Output Clock Generator

No Preview Available !

DSC511-03
Crystal-less Two Output PCIe Clock Generator
Specifications (Unless specified otherwise: T=25° C, VDD =3.3V)
Parameter
Supply Voltage1
Supply Current
Supply Current2
Frequency Stability
Condition
VDD
IDD EN pin low outputs are disabled
IDD
EN pin high outputs are enabled
CL=15pF, FO1=FO2=125 MHz
Includes frequency variations due
Δf to initial tolerance, temp. and
power supply voltage
Aging
Startup Time3
Input Logic Levels
Input logic high
Input logic low
Output Disable Time4
Output Enable Time
Pull-Up Resistor2
Δf 1 year @25°C
tSU T=25°C
VIH
VIL
tDA
tEN
Pull-up exists on all digital IO
Output Logic Levels
Output logic high
Output logic low
Output Transition time4
Rise Time
Fall Time
Frequency
VOH
VOL
I=±6mA
tR
tF
20% to 80%
CL=15pf
f0
Commercial/Industrial temp range
Automotive temp range
Output Duty Cycle
SYM
Period Jitter5
JPER
FO1=FO2=125 MHz
200kHz to 20MHz @ 125MHz
Integrated Phase Noise
JCC 100kHz to 20MHz @ 125MHz
12kHz to 20MHz @ 125MHz
Notes:
1.
2.
3.
4.
5.
Pin 4 VDD should be filtered with 0.01uf capacitor.
Output is enabled if Enable pad is floated or not connected.
tsu is time to 100PPM stable output frequency after VDD is applied and outputs are enabled.
Output Waveform and Test Circuit figures below define the parameters.
Period Jitter includes crosstalk from adjacent output.
Min.
2.25
0.75xVDD
-
0.9xVDD
-
2.3
45
Typ.
21
32
40
1.1
1.4
3
0.3
0.38
1.7
Max.
3.6
23
±10
±25
±50
±5
5
Unit
V
mA
mA
ppm
ppm
ms
-
0.25xVDD
5
20
V
ns
ns
kΩ
-
0.1xVDD
V
2
2
170
100
55
ns
MHz
%
psRMS
psRMS
2
Absolute Maximum Ratings
Item
Supply Voltage
Input Voltage
Junction Temp
Storage Temp
Soldering Temp
ESD
HBM
MM
CDM
Min
-0.3
-0.3
-
-55
-
-
Max
+4.0
VDD+0.3
+150
+150
+260
4000
400
1500
Unit
V
V
°C
°C
°C
V
Condition
40sec max.
_____________________________________________________________________________________________________________________________ _________________
DSC511-03
Page 2
MK-QB-P-D-130103-01-1


Part Number DSC511-03
Description Crystal-less Two Output Clock Generator
Maker Micrel
Total Page 5 Pages
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