SMD Crystal Oscillators
DSO221SN/DSO321SN
■Features
●
Low voltage operation: 0.9V／1.3V／1.5VTyp.
●
Available frequency range : 1.5625〜50MHz
Pb-Free
●
Low profile: 0.815mm
（DSO221SN), 1.1mm
（DSO321SN)
■Applications
●
PC, PDA, Memory module, USB, peripherals
●
DSC, DVC
［Function Code½
RoHS Compliant
DSO221SN E C
●
WiMAX, Bluetooth, Wireless-LAN
●
Mobile phones, Silicon audio player
E：1.5V
A： ±100×10
−6
Actual size DSO221SN DSO321SN
［Type½
DSO321SN
DSO221SN
3225 size
2520 size
F：1.3V
G：0.9V
■ Standard Specification
Item
B： ± 50×10
−6
C： ± 30×10
−6
D： ± 25×10
−6
E： ± 20×10
−6
When requesting the product, please select the model and function code of your request.
Available Frequency
Range
（MHz）
1.5625≦fo≦50
Legend
Function Code
Supply
Frequency
Voltage
tolerance
E
＊
＊
＊
A
B
C
D
E
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
F
G
＊
Spec.
min.
＋1.4
Typ.
＋1.5
＋1.3
＋0.9
−
−
−
−
−
−
−
−
−
−
50
−
−
−
−
−
−
−
−
−
2.2
2.0
31
−
max.
＋1.6
＋1.4
＋1.0
±100
±50
±30
±25
±20
1
1.4
0.6
1
10
55
Vdd×0.1
−
4
8
15
Vdd×0.2
−
2
10
−
−
−
1
μA
%
V
ns
pF
V
ms
μs
ps
ps
ps
σ
mA
No Load
X10
−6
V
Unit
Condition
Supply Voltage
Vdd
＋1.2
＋0.8
−
−
Frequency Tolerance
(Includes frequency tolerance at
room temperature.)
＊
＊
＊
＊
E, F
＊
f_tol
−
−
−
−10〜＋70℃
−20〜＋70℃
（Standard Operating
−10〜＋70℃
−40〜＋85℃
Temperature Range）
1.5625≦fo＜32
32≦fo≦50
1.5625≦fo＜32
32≦fo≦50
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
40≦fo≦50
10≦fo<40
I_std
SYM
Vol
Voh
tr, tf
L_
CMOS
Vil
Vih
Tpzl
Tplz
tRMS
tp-p
tTL
tpj
Idd
−
−
−
−
−
45
−
Vdd×0.9
−
−
−
−
Vdd×0.8
−
−
−
−
−
−
Current Consumption
G
Stand-by current ＃1 pin "L" Level）
（
Symmetry
0 Level Output Voltage
1 Level Output Voltage
Rise and Fall Time
Load Condition
OE Pin 0 Level Input Voltage
OE Pin 1 Level Input Voltage
Output Enable Time
Output Disable Time
Period Jitter (1)
Total Jitter (1)
Phase Jitter
Packing Unit
＊
＊
＊
＊
E,F
G
＊
＊
＊
＊
＊
＊
＊
＊
＊
＊
50% Vdd Level
10〜90％ Vdd Level
Peak to peak
tDJ+n*tRJ n=14.1(BER=1*10
−12
) (2)
fo offset:12kHz〜20MHz
fo offset:12kHz〜5MHz
2000pcs./reel
（φ180）
（1）Measured WAVECREST DTS-2075
（２）tDJ Deterministic jitter tRJ Random jitter
：
：
Consult our sales representative for other specifications.
■ Dimensions[mm]
DSO221SN
Model
Code:N
Model Code
2.5±0.15
#4
#3
Pin Connections
Pin No. Connection
#1
OE(Output Enable)
GND
#2
Output
#3
Vdd
#4
Function
#1input
H
Open
L
#3 output condition
Oscillation out
Oscillation out
High Z
DSO321SN
Model
Code:N
Model Code
3.2±0.15
#4
#3
Frequency
Frequency
2.0±0.15
2.5±0.15
Pin Connections
Pin No. Connection
#1
OE(Output Enable)
GND
#2
Output
#3
Vdd
#4
Function
#1input
H
Open
L
#3 output condition
Oscillation out
Oscillation out
High Z
Lot No.
#1 index
0.815±0.08
#1
Lot No.
#1 index
1.1
＋0.1
−0.2
#1
Logo
#2
Logo
#2
■ Recommended Land Pattern
〈Top View〉
1.58
#1
#2
1.7
■ Recommended Land Pattern
〈Top View〉
#1
2.1
#2
2.2
1.23
1.35
0.85
1.65
1.75
0.53
0.68
1.0
0.65
#4
#3
#4
0.9
#3
1.2
0.95
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