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参数资料
| 型号： | CW321-074.25M |
| 厂商： | CONNOR WINFIELD CORP |
| 元件分类： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 74.25 MHz, LVCMOS OUTPUT |
| 封装： | ROHS COMPLIANT, HERMETIC SEALED, CERAMIC PACKAGE-4 |
| 文件页数： | 2/2页 |
| 文件大小： | 96K |
| 代理商： | CW321-074.25M |
2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630-851-4722
Fax: 630-851-5040
www.conwin.com
Specifications subject to change without notice. All dimensions in inches. Copyright 2008 The Connor-Winfield Corporation
US Headquarters:
630-851-4722
European Headquarters:
+353-61-472221
Bulletin
Page
Revision
Date
SM128
2of2
01
18 May 2010
Environmental Characteristics
Tape and Reel Specifications
120°C
150°C
180°C
260°C
0
220°C
360 Sec. Max.
120 S
Max.
10 S
60 S
Max.
Time
Temperature
260°C
90%
50%
10%
LVCMOS Output Waveform
Ordering Information
Package Outline
Solder Profile
Suggested Pad Layout
Pad Connections - Enable / Disable Function
Model Matrix
Notes
Vibration:
Vibration per Mil Std 883E Method 2007.3 Test Condition A
Shock:
Mechanical Shock per Mil Std 883E Method 2002.4 Test Condition B.
Soldering:
RoHS compliant, lead free. See solder profile.
Sollderability
Sollderability per Mil Std 883E Method 2003
Type:
3.2x2.5mm
LVCMOS Clock
Oscillator
Series
Supply Voltage and
1 =1.8V, -10 to 70
Temperature Range:
2 =2.5V, -10 to 70
3 =3.3V, -10 to 70
4 =2.8V, -10 to 70
5 =1.8V, -40 to 85
6 =2.5V, -40 to 85
7 =3.3V, -40 to 85
8 =2.8V, -40 to 85
°C
Frequency Stability:
1 = +/-25 ppm
2 = +/-50
3 = +/-100
ppm
CW3
3
044.736M
-
Output Frequency:
Frequency Format
-xxx.xM Min.*
-xxx.xxxxxxM Max.*
*Amount of numbers
after the decimal point.
M = MHz
Example:
CW333-044.376M = 3.2x2.5mm, LVCMOS Clock,
-10 to 70
,+/-100ppm, 3.3Vdc, Output Frequency 44.736MHz
°C
To order an CW333 with an output frequency of:
1.8 MHz = CW333-001.8M
50.0 MHz = CW333-050.0M
74.25 MHz = CW333-074.25M
Pad
Connection
1
Enable/Disable
2
Ground
3
Output
4Vcc
Enable / Disable
Function (Pad 1)
Output
High or Open
Enable
Low
Disable (High Impedance)
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.
Frequency
Tolerance
±25ppm
Frequency
Tolerance
±50ppm
Frequency
Tolerance
±100ppm
Supply
Voltage
Temperature
Range
CW311
CW312
CW313
1.8Vdc
-10 to 70°C
CW321
CW322
CW323
2.5Vdc
-10 to 70°C
CW341
CW342
CW343
2.8Vdc
-10 to 70°C
CW331
CW332
CW333
3.3Vdc
-10 to 70°C
CW351
CW352
CW353
1.8Vdc
-40 to 85°C
CW361
CW362
CW363
2.5Vdc
-40 to 85°C
CW381
CW382
CW383
2.8Vdc
-40 to 85°C
CW371
CW372
CW373
3.3Vdc
-40 to 85°C
0.031
(0.8mm)
0.055
(1.4mm)
0.047
(1.2mm)
0.020
(0.50mm)
Top View
0.047
(1.2mm)
0.055
(1.4mm)
4
3
2
1
*
44.70D
CW333
0.125
(3.2mm)
0.098
(2.5mm)
1
2
3
4
0.047
(1.2mm)
0.027
(0.7mm)
0.051 Max.
(1.3mm Max.)
Bottom View
1
2
3
4
Marking drawing 90231DWG74
Marking Example:
44.7 = 44.736 Mhz (Truncated)
0 = 2010
D = May
* = Pin 1 indicator
CW333 = Model Number
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