3.2x2.5mm Surface Mount
LVCMOS
Clock Oscillator Series
Description
The Connor-Winfield’s CW3xx -
* 44.736M
Series are 3.2x2.5mm Surface
Mount, LVCMOS, Fixed
Frequency Crystal Controlled
Oscillator (XO) designed for
applications requiring tight frequency
stability over a wide temperature range
with low jitter. Operating at 1.8V, 2.5V
2.8V or 3.3V supply voltage, the
CW3xx - Series provides an LVCMOS
Output with a enable / disable function.
Model Specifications
CW333 EG
Features:
Model Cw3xx - Series
3.2 x2.5mm Surface Mount Package
Supply Voltages Available:
1.8V, 2.5V 2.8V or 3.3V Operation
LVCMOS Output Logic
Frequency Stabilities Available:
+/-25ppm +/-50ppm or +/-100ppm
Temperature Ranges Available:
-10 to 70°C or -40 to 85°C
Low Jitter <1pS RMS
Tri-State Enable/Disable
Tape and Reel Packaging
RoHS Compliant / Lead Free
2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630- 851- 4722
Fax: 630- 851- 5040
www.conwin.com
US Headquarters:
630-851-4722
European Headquarters:
+353-61-472221
Absolute Maximum Ratings
Parameter
Storage Temperature
Supply Voltage
(Vcc)
Units
Minimum
-55
-0.5
Nominal
-
-
Maximum
125
5.0
UNITS
°C
Vdc
Note
Operating Specifications
Parameter
Frequency Range
Total Frequency Tolerance
Models CW3x1
Models CW3x2
Models CW3x3
Operating Temperature Range
Models CW31x, CW32x, CW33x, CW34x
Models CW35x, CW36x, CW37x, CW38x
Supply Voltage
Models CW32x, CW36x
Models CW32x, CW36x
Models CW34x, CW38x
Models CW33x, CW37x
Supply Current
1.8V Models
2.5V, 2.8V, 3.3V Models
(Icc)
-
-
-
-
10
20
mA
mA
(Vcc)
1.710
2.375
2.660
3.135
1.800
2.500
2.800
3.300
1.890
2.625
2.940
3.465
Vdc
Vdc
Vdc
Vdc
-10
-40
-
-
70
85
°C
°C
-25
-50
-100
-
-
-
25
50
100
ppm
ppm
ppm
1
1
1
(Fo)
Minimum
1.8
Nominal
-
Maximum
75
UNITS
MHz
Note
Input Characteristics
Parameter
Enable Voltage
Disable Voltage
Enable Time
Disable Time
Output Disable Current (Standby Current)
(Icc)
(High)
(Low)
(Vih)
(Vil)
Minimum
0.9Vcc
-
-
-
-
Nominal
-
-
-
-
-
Maximum
-
0.1Vcc
2
200
10
Units
Vdc
Vdc
ms
ns
uA
Note
2
2
LVCMOS Output Characteristics
Parameter
LOAD
Voltage
Current
(High)
(Low)
(High)
(Low)
Duty Cycle at 50% of Vcc
Rise / Fall Time 10% to 90%
Start-Up Time
Period Jitter
Phase Jitter (BW=12kHz to 20MHz)
SSB Phase Noise at 10Hz offset
SSB Phase Noise at 100Hz offset
SSB Phase Noise at 1KHz offset
(Voh)
(Vol)
(Ioh)
(Ioh)
Minimum
-
0.9Vcc
-
-8
-
45
-
-
-
-
-
-
-
-
-
Nominal
-
-
-
Maximum
15
-
0.1Vcc
-
8
55
8
5
5
1
-
-
-
-
-
Units
pF
Vdc
Vdc
mA
mA
%
ns
ms
ps RMS
ps RMS
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Note
-
-
50
5
2
3
0.5
-60
-90
-125
-140
-145
Bulletin
Page
Revision
Date
Sm128
1 of 2
00
15 July 2008
SSB Phase Noise at 10KHz offset
SSB Phase Noise at 100KHz offset
Package Characteristics
Package
Soldering Process
Hermetically sealed ceramic package and grounded metal cover.
RoHS compliant, see solder profile on page 2.
Specifications subject to change without notice. All dimensions in inches. © Copyright 2008 The Connor-Winfield Corporation
2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630-851-4722
Fax: 630-851-5040
www.conwin.com
Notes
1) Inclusive of calibration @ 25°C, frequency vs. temperature stability, supply voltage
change, load change, shock and vibration, 10 years aging.
2) When the oscillator is disabled, the outputs are at high impedance. Output is enabled
with no connection on pad 1.
Ordering Information
Package Outline
0.125
(3.2mm)
4
3
0.098
(2.5mm)
0.039 Max.
(1.0mm Max.)
CW3
Type:
3.2x2.5mm
LVCMOS Clock
Oscillator
Series
3
Supply Voltage and
Temperature Range:
1 =1.8V, -10 to 70° C
2 =2.5V, -10 to 70° C
3 =3.3V, -10 to 70° C
4 =2.8V, -10 to 70° C
5 =1.8V, -40 to 85° C
6 =2.5V, -40 to 85° C
7 =3.3V, -40 to 85° C
8 =2.8V, -40 to 85° C
3
Frequency Stability:
1 = +/-25 ppm
2 = +/-50 ppm
3 = +/-100 ppm
-
044.736M
Output Frequency:
Frequency Format
-xxx.xM Min.*
-xxx.xxxxxxM Max.*
*Amount of numbers
after the decimal point.
M = MHz
CW333 8G
*44.736M
1
1
0.047
(1.2mm)
2
2
0.027
(0.7mm)
Bottom View
Example:
To order an CW333 with an output frequency of:
CW333-044.376M = , 3.2x2.5mm, LVCMOS Clock,
1.8 MHz = CW333-001.8M
-10 to 70
° C
,+/-100ppm, 3.3Vdc, Output Frequency 44.736MHz
50.0 MHz = CW333-050.0M
4
3
74.25 MHz = CW333-074.25M
Environmental Characteristics
Vibration:
Shock:
Soldering:
Sollderability
Vibration per Mil Std 883E Method 2007.3 Test Condition A
Mechanical Shock per Mil Std 883E Method 2002.4 Test Condition B.
RoHS compliant, lead free. See solder profile.
Sollderability per Mil Std 883E Method 2003
Suggested Pad Layout
0.055
(1.4mm)
0.031
(0.8mm)
0.055
(1.4mm)
Pad Connections - Enable / Disable Function
0.020
4
(0.50mm)
3
0.047
(1.2mm)
Pad
1
2
3
4
Connection
Enable/Disable
Ground
Output
Vcc
Enable / Disable
Function (Pad 1)
High or Open
Low
Output
Enable
Disable (High Impedance)
1
Top View
2
0.047
(1.2mm)
Model Matrix
Frequency
Tolerance
±25ppm
CW311
CW321
CW341
CW331
CW351
CW361
CW381
CW371
Frequency
Tolerance
±50ppm
CW312
CW322
CW342
CW332
CW352
CW362
CW382
CW372
Frequency
Tolerance
±100ppm
CW313
CW323
CW343
CW333
CW353
CW363
CW383
CW373
Supply
Voltage
1.8Vdc
2.5Vdc
2.8Vdc
3.3Vdc
1.8Vdc
2.5Vdc
2.8Vdc
3.3Vdc
Temperature
Range
-10 to 70°C
-10 to 70°C
-10 to 70°C
-10 to 70°C
-40 to 85°C
-40 to 85°C
-40 to 85°C
-40 to 85°C
Solder Profile
Temperature
260°C
220°C
180°C
150°C
120°C
260°C
0
120 S
Max.
Time
10 S
60 S
Max.
360 Sec. Max.
Tape and Reel Specifications
LVCMOS Output Waveform
90%
50%
10%
US Headquarters:
630-851-4722
European Headquarters:
+353-61-472221
Bulletin
Page
Revision
Date
Specifications subject to change without notice. All dimensions in inches. © Copyright 2008 The Connor-Winfield Corporation
SM128
2 of 2
00
15 July 2008
