XO-400_09 [VECTRON]
Crystal Oscillators (XOâs); 晶体振荡器（ XOA ???? S）
| 型号： | XO-400_09 |
| 厂家： | 
Vectron International, Inc |
| 描述： | Crystal Oscillators (XOâs) |
| 文件： | 总2页 (文件大小：141K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Crystal Oscillators (XO’s)
XO-400
Description:
Vectron International has introduced a series of low
cost complementary PECL Crystal Oscillators (XO’s)
available in frequencies from 15 MHz to 250 MHz in a
standard 4 pin DIP package. This series offers ultra low
jitter of <0.5 ps rms from 12 kHz to 20 MHz bandwidth.
Features:
• Ultra low jitter
• 3.3 Vdc or 5 Vdc operation
• Complementary PECL output
• Standard 4 pin DIP package
Performance Characteristics
Parameter
Characteristics
Frequencies:
15 MHz to 250 MHz
Package Size:
Supply Voltage:
20.32 x 12.70 x 10.29 mm (0.8” x 0.5” x 0.405”)
C = 5 Vdc ±5%
D = 3.3 Vdc ±5%
Supply Current:
Output Type:
<80 mA
Complementary PECL
Output Level:
VOH (“1”) = Vcc - 1.02V min.
VOL (“0”) = Vcc - 1.63V max
@ +25°C
Rise/Fall Time t /t :
r f
<1.5 ns (20% to 80%)
Symmetry (Duty Cycle):
Internal Load:
50/50 ±5% @ Vcc - 1.3V for “D”; Vcc - 3V for “C”
274 ohm internal load for each output for 3.3 Vdc, 510 ohms for 5Vdc
Temperature Stability:
C-C = ±20 ppm All Causes over 0°C to +70°C
C-F = ±32 ppm All Causes over 0°C to +70°C
C-G = ±50 ppm All Causes over 0°C to +70°C
F-G = ±50 ppm All Causes over -40°C to +85°C
All Causes = Entire Temperature Range, Aging for 10 years
Initial Accuracy and Supply variation.
Jitter:
<0.5 ps rms from 12 kHz to 20 MHz BW @ 155.52 MHz
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com
68
Crystal Oscillators (XO’s)
XO-400
Outline Drawing
Standard Frequencies
Frequency
Application
5.08
19.4400 MHz SONET
38.8800 MHz SONET
(.200)
51.8400 MHz OC-1
77.7600 MHz SONET
78.1250 MHz 10G / 128
125.0000 MHz FDDI
139.2640 MHz
1
7
8
155.5200 MHz OC-3, SDH, STM1
156.2500 MHz 10G/64
161.1328 MHz 10.3125 G/64
166.6286 MHz OC-3 FEC 15/14
167.3316 MHz OC-3 FEC 255/237
175.0000 MHz
14
.051
.002)
Dia
XO
(in.)
Pin Out Information
1
Complementary output
177.7371 MHz OC-3 FEC 8/7
7
Case, Ground
8
Output
14
Supply Voltage (Vcc)
Ordering Information
400
D
C
155.52
F
C
MHz
XO
Product Family
XO = Clock Oscillator
Output Frequency
See Standard
Frequencies Chart above.
Package
400 = 4 pin DIP
Supply Voltage
C = 5.0 Vdc ±5%
D = 3.3 Vdc ±5%
Temperature Stability
C-C = ±20 ppm All causes
C-F = ±32 ppm All causes
C-G = ±50 ppm All causes
F-G = ±50 ppm All causes -40°C to +85°C
Note: Other stabilities are available upon request
0°C to +70°C
0°C to +70°C
0°C to +70°C
Output
F = Complementary PECL
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com
69
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