oscillator offering excellent jitter and stability
performance over a wide range of supply
voltages and temperatures.
The device
operates from 1 to 150MHz with supply voltages
between 1.8 to 3.3 Volts and extended
temperatures from -40ºC to 105ºC. The
DSC1003 has the same functionality and
performance as the DSC1001 but with greater
output drive (C
L
< 25pf).
The DSC1003 incorporates an all silicon
resonator that is extremely robust and nearly
immune to stress related fractures, common to
crystal based oscillators. Without sacrificing the
performance and stability required of today’s
systems, a crystal-less design allows for a
higher level of reliability, making the DSC1003
ideal for rugged, industrial, and portable
applications where stress, shock, and vibration
can damage quartz crystal based systems.
Available in industry standard packages, the
DSC1003 can be “dropped-in” to the same PCB
footprint as standard crystal oscillators.
Features
Frequency Range: 1 to 150MHz
Exceptional Stability over Temperature
o
±10 PPM , ±25 PPM, ±50 PPM
Operating voltage
o
1.7 to 3.6V
Operating Temperature Range
o
Ext. Industrial -40ºC to 105ºC
o
Industrial -40ºC to 85ºC
o
Ext. Commercial -20ºC to 70ºC
o
Commercial 0ºC to 70ºC
Low Operating and Standby Current
o
6mA Operating (40MHz)
o
15uA Standby
Ultra Miniature Footprint
o
2.5 x 2.0 x 0.85 mm
o
3.2 x 2.5 x 0.85 mm
o
5.0 x 3.2 x 0.85 mm
o
7.0 x 5.0 x 0.85 mm
Excellent Shock and Vibration
Resistance
Lead Free, RoHS & Reach SVHC
Compliant
Benefits
Pin for pin “drop in” replacement for
industry standard oscillators
Semiconductor level reliability,
significantly higher than quartz
Short mass production lead-times
Longer Battery Life / Reduced Power
Compact Plastic package
Cost Effective
Block Diagram
V
DD
Output
Applications
Resonator
PFD
VCO
Frac-N
PLL
Mobile Applications
Consumer Electronics
Portable Electronics
CCD Clock for VTR Cameras
Low Profile Applications
Industrial
Standby#
(pin1)
GND
All Rights Reserved. No part of this document may be copied or reproduced in any form without the prior written permission of Micrel, Inc. Micrel Inc. may update or make changes
to the contents, products, programs or services described at any time without notice. This document neither states nor implies any kind of warranty, including, but not limited to
implied warranties of merchantability or fitness for a particular use.
Page 1
MK-Q-B-P-D-083010-01-4
DSC1003
1.8~3.3V
Low-Power Precision Oscillator
Absolute Maximum Ratings
1
Item
Input Voltage
Junction Temp
Storage Temp
Soldering Temp
ESD
HBM
MM
CDM
Min.
-0.3
-
-55
-
-
4000
200
1500
Max
VDD+0.3
+150
+150
+260
Unit
V
°C
°C
°C
V
40 sec max.
Condition
DSC1003
Family
Package, Temp
& Stability
CE1
-
032.0000
T
Output Freq
1.0 to 150MHz
Tape/
Reel
* See Ordering Information for details
Ordering Code
Recommended Operating Conditions
Parameter
Supply Voltage
Output Load
Operating Temperature
Option 1
Option 2
Option 3
Option 4
Symbol
V
DD
Z
L
Range
1.7 – 3.6V
R>10KΩ, C≤25pF
-40 to +105 °C
-40 to +85 °C
-20 to +70 °C
0 to +70 °C
T
Specifications
(VDD
= 1.8 to 3.3v) T
A
=85
0
C unless otherwise specified
Parameter
Frequency
Frequency Tolerance
Aging
Supply Current, standby
Output Startup Time
2
Output Disable Time
Output Duty Cycle
Input Logic Levels
Input logic high
Input logic low
Notes:
1.
2.
3.
Symbol
f
0
Δf
Δf
I
DD
t
SU
t
DA
SYM
V
IH
V
IL
Condition
Single Frequency
Includes frequency
variations due to initial
tolerance, temperature
and power supply voltage
1 year @25°C
T=25°C
T=25°C
Min
1
Typ
Max
150
±10,±25,±50
±5
15
Unit
MHz
ppm
ppm
uA
ms
ns
%
Volts
1.0
20
45
0.75*V
DD
-
1.3
100
55
-
0.25* V
DD
Absolute maximum ratings are those values beyond which the safety of the device cannot be guaranteed. The device should not be
operated beyond these limits.
t
SU
is time to stable output frequency after V
DD
is applied. t
SU
and t
EN
(after EN is asserted) are identical values.
Measured over 50k clock cycles.
All Rights Reserved. No part of this document may be copied or reproduced in any form without the prior written permission of Micrel, Inc. Micrel Inc. may update or make changes
to the contents, products, programs or services described at any time without notice. This document neither states nor implies any kind of warranty, including, but not limited to
implied warranties of merchantability or fitness for a particular use.
Page 2
MK-Q-B-P-D-083010-01-4
DSC1003
VDD = 1.8v
Parameter
Supply Current, no load
Output Logic Levels
Output logic high
Output logic low
Output Transition time
Rise Time
Fall Time
Output Transition time
Rise Time
Fall Time
Period Jitter
1.8~3.3V
Low-Power Precision Oscillator
Symbol
I
DD
Condition
1MHz
C
L
=0p
27MHz
R
L
=∞
70MHz
T=25°C
150MHz
-6mA
6mA
C
L
=25pF; T=25°C
20%/80%*V
DD
C
L
=25pF; T=25°C
10%/90%*V
DD
F = 100MHz
3
Min
Typ
5.7
6.4
7.7
10.0
Max
6.0
6.8
8.0
11.0
-
0.2*V
DD
Unit
mA
V
OH
V
OL
t
R
t
F
t
R
t
F
J
p
0.8*V
DD
-
1.5
1.2
2.6
1.9
10
Volts
3
3
4
4
15
ns
ns
ps rms
VDD = 2.5v
Parameter
Supply Current, no load
Output Logic Levels
Output logic high
Output logic low
Output Transition time
Rise Time
Fall Time
Output Transition time
Rise Time
Fall Time
Period Jitter
Symbol
I
DD
Condition
1MHz
C
L
=0p
27MHz
R
L
=∞
70MHz
T=25°C
150MHz
-6mA
6mA
C
L
=25pF; T=25°C
20%/80%*V
DD
C
L
=25pF; T=25°C
10%/90%*V
DD
F = 100MHz
3
Min
Typ
5.7
6.7
8.4
11.4
Max
6.0
7.1
8.8
12.7
-
0.2*V
DD
1.1
0.9
1.9
1.5
5
2
2
3.5
3
10
Unit
mA
V
OH
V
OL
t
R
t
F
t
R
t
F
J
p
0.8*V
DD
-
Volts
ns
ns
ps rms
VDD = 3.3v
Parameter
Supply Current, no load
Output Logic Levels
Output logic high
Output logic low
Output Transition time
Rise Time
Fall Time
Output Transition time
Rise Time
Fall Time
Period Jitter
Symbol
I
DD
Condition
1MHz
C
L
=0p
27MHz
R
L
=∞
70MHz
T=25°C
150MHz
-6mA
6mA
C
L
=25pF; T=25°C
20%/80%*V
DD
C
L
=25pF; T=25°C
10%/90%*V
DD
F = 100MHz
3
Min.
Typ.
5.7
7.0
9.1
13.1
Max.
6.0
7.4
9.6
15.0
-
0.1*V
DD
1.1
0.9
1.5
1.5
5
2
2
3
3
10
Unit
mA
V
OH
V
OL
t
R
t
F
t
R
t
F
J
p
0.9*V
DD
-
Volts
ns
ns
ps rms
All Rights Reserved. No part of this document may be copied or reproduced in any form without the prior written permission of Micrel, Inc. Micrel Inc. may update or make changes
to the contents, products, programs or services described at any time without notice. This document neither states nor implies any kind of warranty, including, but not limited to
implied warranties of merchantability or fitness for a particular use.
Page 3
MK-Q-B-P-D-083010-01-4
DSC1003
Output Waveform
1.8~3.3V
Low-Power Precision Oscillator
t
R
V
OH
t
F
Output
V
OL
1/f
o
t
DA
V
IH
t
EN
Standby#
V
IL
Standby Function
Standby#
(pin 1)
Output
(pin 3)
Hi Level
Open
(no connect)
Low Level
Output ON
Output ON
High Impedance
Test Circuit
I
DD
4
V
DD
1
0.01uF
*V
SD
3
2
25pF
*V
SD
= Standby# Logic Level Input
All Rights Reserved. No part of this document may be copied or reproduced in any form without the prior written permission of Micrel, Inc. Micrel Inc. may update or make changes
to the contents, products, programs or services described at any time without notice. This document neither states nor implies any kind of warranty, including, but not limited to
implied warranties of merchantability or fitness for a particular use.
Page 4
MK-Q-B-P-D-083010-01-4
DSC1003
1.8~3.3V
Low-Power Precision Oscillator
Board Layout (recommended)
Solder Reflow Profile
ax
260
°
C
Temperature (°C)
Se
cM
.
20-40
Sec
217
°
C
200
°
C
.
ax
cM
60-150
Sec
150
°
C
3C
/Se
60-180
Sec
Reflow
Pre heat
8 min max
Cool
Time
25
°
C
MSL 1 @ 260°C refer to JSTD-020C
Ramp-Up Rate (200°C to Peak Temp) 3°C/Sec Max.
Preheat Time 150°C to 200°C
60-180 Sec
Time maintained above 217°C
60-150 Sec
255-260°C
Peak Temperature
Time within 5°C of actual Peak
20-40 Sec
6°C/Sec Max.
Ramp-Down Rate
Time 25°C to Peak Temperature
8 min Max.
3C
/
S
S
S
6C
6C
6C/
c
c
ec
Ma
Ma
Ma
.
.
x.
Package Dimensions
7.0 x 5.0 mm Plastic Package
External Dimensions
7.0±0.10 [0.276±0.004]
#4
#3
2.6 [0.102]
3.5 [0.138]
2.2 [0.087]
Recommended Land Pattern*
5.08 [0.200]
#4
2.6 [0.102]
o
0.2 [0.008]
o
o
#1
1.2 [0.047]
0.2 [0.008]
1.4 [0.055]
*Note: The center pad is not connected
internally and should be left un-
connected or tied to GND.
5.08 [0.2]
#3
o
o
o
1.4 [0.055]
#1
#2
5.0±0.10 [0.197±0.004]
#2
1.4 [0.055]
0.2 [0.008]
0.85±0.05 [0.033±0.002]
No.
1
2
3
4
Pin Terminal
Standby#
GND
Output
VDD
units: mm [inch]
All Rights Reserved. No part of this document may be copied or reproduced in any form without the prior written permission of Micrel, Inc. Micrel Inc. may update or make changes
to the contents, products, programs or services described at any time without notice. This document neither states nor implies any kind of warranty, including, but not limited to
implied warranties of merchantability or fitness for a particular use.
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