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參數(shù)資料
| 型號(hào)： | P444-312.5M |
| 廠商： | CONNOR WINFIELD CORP |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 312.5 MHz, LVPECL OUTPUT |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED, CERAMIC PACKAGE-6 |
| 文件頁(yè)數(shù)： | 2/2頁(yè) |
| 文件大小： | 268K |
| 代理商： | P444-312.5M |
Specifications subject to change without notice. All dimensions in inches. Copyright 2010 The Connor-Winfield Corporation
2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630- 851- 4722
Fax: 630- 851- 5040
www.conwin.com
Bulletin
EC217
Page
2 of 2
Revision
10
Date
22 MAr 2010
Dimensional Tolerance: ±.02” (.508mm)
±.005” (.127mm)
Suggested Pad Layout
Output Waveform
Tape and Reel Dimensions
Environmental Characteristics
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 Process; RoHS compliant lead free. See soldering profile on page 2.
Pad Connections
Function:
Output
Low:
Disabled (High Impedance)
High or Open: Enabled
Solder Profile
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
Enable / Disable Function
0.200
(5.08mm)
0.100
(2.54mm)
0.079
(2.0mm)
0.165
(4.2mm)
0.070
(1.78mm)
Bypass
Capacitor
0.01uF
Ground
Top
View
4
5
6
3
2
1
Q
50%
20%
80%
tr
Duty Cycle
tf
CW 0946
P123
155.52M
.059
(1.50mm)
0.275
(7.0mm)
0.197
(5.0mm)
0.102
(2.6mm)
0.055
(1.4mm)
Dimensional Tolerance
+/-0.008 (+/-0.2mm)
R3
R1
R4
R2
Vcc
R1 / R3
R2 /R4
2.5V
62.5Ohms
3.3V
130 Ohms
82 Ohms
Enable /
Disable
or
N/C
1 2 3
6 5 4
Vcc = Vcc2
Package Characteristics
Package
Hermetically sealed ceramic package and metal cover
Type
LVPECL
Clock Series
5x7 mm
Temperature
Range
1 = 0 to 70°C
2 = -40 to 85°C
3 = 0 to 85°C
4 = -20 to 70°C
Frequency
Stability
4 = ±20 ppm
1 = ±25 ppm
2 = ±50 ppm
3 = ±100 ppm
Output Frequency
Frequency Format
-xxx.xM Min
-xxx.xxxxxxM Max
*Amount of numbers
after the decimal
point. M = MHz
P
1
2
- 155.52M
Supply Voltage
2 = 2.5 Vdc, E/D Pad 1
3 = 3.3 Vdc, E/D Pad 1
4 = 3.3 Vdc, E/D Pad 2
5 = 2.5 Vdc, E/D Pad 2
3
Ordering Information
Package Outline
Example: Part Number
P123-155.52M = LVPECL Output,
0 to 70, +/-20ppm, 3.3Vdc, E/D Pad 1, Output Frequency 155.52MHz
Attention: Models P242, P243, P244 and P245 are not available above 260 MHz.
Test Circuit
Models Pxx4, Pxx5
1: N/C
2
Enable / Disable
3: Ground
4: Output Q
5: Complementary Output Q
6: Supply Voltage (Vcc)
Models: Pxx2, Pxx3
1: Enable / Disable
2
N/C
3: Ground
4: Output Q
5: Complementary Output Q
6: Supply Voltage (Vcc)
Notes:
1.Includescalibration@25°C,frequencystabilityvs.changeintemperature,supplyvoltageandloadvariations,shock
andvibrationand20yearsaging.ModelsP242,P243P244andP245arenotavailableabove260MHz.
2.ModelsP242,P243P244andP245arenotavailableabove260MHz.
3.Whentheoscillatorisdisabledtheoutputsareathighimpedance.OutputsareenabledwithnoconnectiononE/Dpad.
4.Outputsmustbeterminatedinto50ohmstoVcc–2VorTheveninequivalent.
5.Dutycyclemeasuredat50%ofoutputvoltageswing.
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