SMD Crystal Oscillators
DSO221SR/DSO321SR/DSO531SR/DSO751SR
■Features
●
Low current consumption: 8mA max (167MHz, 3.3V)
●
Low voltage operation: 1.8V/2.5V/2.8V/3.3V
●
Offers Narrow deviation: ±20×10
−6
/±30×10
−6
/±50×10
−6
/±100×10
−6
●
Available up to 167MHz by using AT cut fundamental
resonator. Low jitter provides for high performance.
●
Low profile: 0.815mm(DSO221SR),
1.1mm(DSO321SR/DSO531SR),
1.5mm(DSO751SR)
［Type½
Actual size
DSO221SR
DSO531SR
DSO321SR
DSO751SR
DSO751SR
DSO531SR
DSO321SR
DSO221SR
7349 size
5032 size
3225 size
2520 size
Pb-Free
RoHS Compliant
［Function Code½
DSO***SR A C
A：3.3V
B：2.8V
C：2.5V
D：1.8V
A ：±100×10
−6
B ：±50×10
−6
C ：±30×10
−6
D：±25×10
−6
E ：±20×10
−6
■ Standard Specification
Function Code
Item
Supply Frequency
Voltage tolerance
A
B
C
D
＊
＊
＊
＊
＊
＊
＊
＊
＊
A
B
C
D
E
Output Frequency
Range
（MHz）
When requesting the product, please select the model and function code of your request.
Spec.
Legend
min.
Typ.
max.
Unit
Condition
＋3.0
＋3.3
＋3.6
0.2≦fo≦167
0.2≦fo≦157
＋2.6
＋2.8
＋3.0
V
Supply Voltage
V
CC
0.2≦fo≦157
＋2.25
＋2.5
＋2.75
0.2≦fo≦80
＋1.6
＋1.8
＋2.0
0.2≦fo≦167
−100
−
＋100
−40∼＋85℃
0.2≦fo≦125
−50
−
＋50
−10∼＋70℃
Frequency Tolerance
X
10
−6
f_tol
0.2≦fo≦80
−30
−
＋30
（Includes frequency tolerance at
（Standard Operating
−20∼＋70℃
Temperature Range
room temperature.）
0.2≦fo≦80
−25
＋25
−10∼＋70℃
0.2≦fo≦50
−20
−
＋20
0.2≦fo＜32
−
−
1.8
32≦fo＜54
−
−
2.5
54≦fo＜80
−
−
5.0
A
＊
80≦fo＜125
−
−
6.0
125≦fo≦160
−
−
8.0
0.2≦fo＜32
−
−
1.8
32≦fo＜54
−
−
2.5
B
＊
54≦fo＜125
−
−
5.0
I
CC
mA
Current Consumption
No Load
125≦fo≦157
−
−
7.0
0.2≦fo＜32
−
−
1.5
32≦fo＜54
−
−
2.0
C
＊
54≦fo＜125
−
−
4.0
125≦fo≦157
−
−
6.0
0.2≦fo＜32
−
−
1.0
D
＊
32≦fo＜54
−
−
1.4
54≦fo≦80
−
−
3.0
I_std
μA
Stand-by Current ＃1 pin "L" Level）
（
＊
＊
＊
−
−
10
−
−
15
＊
＊
＊
L_
CMOS
pF
Load Condition
A
＊
0.2≦fo≦80
−
−
30
45
50
55
＊
＊
fo＜50
SYM
%
50%
V
CC
Level
Symmetry
＊
＊
fo≧50
40
50
60
V
OL
0 Level Output Voltage
＊
＊
＊
−
−
V
CC
×0.1
V
V
OH
1 Level Output Voltage
＊
＊
＊
V
CC
×0.9
−
−
A,B,C
＊
0.2≦fo≦54
−
−
5
（4）
D
＊
0.2≦fo≦54
−
−
7
（6）
L_
CMOS
:15pF 10∼90％
V
CC
Level
＊
＊
54＜fo＜100
−
−
4
（3）
（20∼80％
V
CC
Level）
tr, tf
ns
Rise and Fall Time
＊
＊
100≦fo≦167
−
−
3
（2.5）
A
＊
0.2≦fo≦54
−
−
10
L_
CMOS
:30pF 10∼90％
V
CC
Level
A
＊
54＜fo≦80
−
−
6
V
IL
−
−
V
CC
×0.2
OE Pin 0 Level Input Voltage
＊
＊
＊
V
V
IH
OE Pin 1 Level Input Voltage
＊
＊
＊
V
CC
×0.8
−
−
tPLZ
ns
−
−
150
Output Disable Time
＊
＊
＊
tPZL
ms
Output Enable Time
＊
＊
＊
−
−
1
tRMS
−
2.2
−
σ
＊
＊
＊
ps
Period Jitter (1)
tp-p
−
20
−
Peak to peak
＊
＊
＊
tTL
ps
−
31
−
tDJ+n＊tRJ n=14.1(BER=1＊10
-12
) (2)
Total Jitter (1)
＊
＊
＊
fo offset:12kHz∼20MHz
40≦fo≦160
tpj
ps
Phase Jitter
＊
＊
−
−
1
10≦fo＜40
fo offset:12kHz∼5MHz
DSO221SR, DSO321SR: 2000pcs./reel（φ 180）, DSO531SR: 1000pcs./reel（φ 180）, DSO751SR: 1000pcs./reel（φ 254）
Packing Unit
（1）
Measured WAVECREST DTS-2075
（２） ：
tDJ Deterministic jitter tRJ Random jitter
：
Consult our sales representative for other specifications.
SMD Crystal Oscillators
DSO221SR/DSO321SR/DSO531SR/DSO751SR
■Applications
●
PC, PDA, and peripherals, gaming equipment
●
DSC, DVD, Blu-ray Disk, TV, HDTV, DVC, HDD
●
WiMAX
●
Mobile phones camera module
：
●
Telecommunications GbEthernet, ISDN
：
■ Dimensions[mm]
DSO221SR
Model code R
：
2.5±0.15
Model Code
#4
#3
Frequency
2.0±0.15
Pin Connections
Pin No. Connection
#1
OE(Output Enable)
GND
#2
Output
#3
V
CC
#4
Function
#1input
H
Open
L
DSO321SR
Model code R
：
Model Code
3.2±0.15
#4
#3
Frequency
2.5±0.15
Pin Connections
Pin No. Connection
#1
OE(Output Enable)
GND
#2
Output
#3
V
CC
#4
Function
#1input
H
Open
L
Lot No.
#1 index
#1
Logo
#2
#3 output condition
Oscillation out
Oscillation out
High Z
Lot No.
#1 index
#1
Logo
#2
#3 output condition
Oscillation out
Oscillation out
High Z
0.815±0.08
■ Recommended Land Pattern
〈Top View〉
1.58
#1
#2
1.7
1.1
＋0.1
−0.2
■ Recommended Land Pattern
〈Top View〉
2.1
#1
#2
2.2
1.23
1.35
0.85
1.65
1.75
#4
0.68
#3
0.53
1.0
0.65
#4
0.9
#3
1.2
DSO531SR
Model code R
：
5.0±0.2
Model Code
＃4
＃3
Frequency
3.2±0.2
Pin Connections
Pin No. Connection
#1
OE(Output Enable)
GND
#2
Output
#3
V
CC
#4
Function
#1input
H
Open
L
DSO751SR
Model code O751SR
：
7.3±0.2
#4
#3
Frequency
（kHz）
4.9±0.2
Model Code
Pin Connections
Pin No. Connection
#1
OE(Output Enable)
GND
#2
Output
#3
V
CC
#4
Function
#1input
H
Open
L
Lot No.
#1 index
1.1
−0.2
＋0.1
#3 output condition
Oscillation out
Oscillation out
High Z
Lot No.
#1 index
1.5±0.2
#1
Logo
#2
#3 output condition
Oscillation out
Oscillation out
High Z
＃1
Logo
＃2
■ Recommended Land Pattern
〈Top View〉
2.54
#1
#2
2.54
■ Recommended Land Pattern
〈Top View〉
5.08
#1
#2
5.08
0.9
1.2
3.65
2.1
2.2
4.2
0.95
1.4
1.05
#4
#3
1.8
2.0
#4
1.2
#3
1.4
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