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参数资料
| 型号： | JCLFCMUN-77.76MHZ |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | XO, clock |
| 英文描述： | VCXO, CLOCK, 77.76 MHz, PECL OUTPUT |
| 封装： | HERMETICALLY SEALED, CERAMIC, SO-6 |
| 文件页数： | 2/2页 |
| 文件大小： | 79K |
| 代理商： | JCLFCMUN-77.76MHZ |
Vectron International 267 Lowell Road, Hudson, NH 03051 Tel: 1-88-VECTRON-1 Web: www.vectron.com
15
Voltage Controlled Crystal Oscillators (VCXO’s)
Outline Drawing
Dimensions are in
inches and (millimeters)
0.118
(3.00)
0.200
(5.08)
0.100
(2.54)
0.346
(8.80)
0.050
(1.27)
Recommended Solder Pad Layout
1
Vc
VCXO Control Voltage.
2
N/C or E/D1
No Connect or Output Disable option
3
GND
Case and electrical ground.
4
Output
VCXO Output
5COutput
VCXO Complementary Output
6VCC
Power Supply Voltage (5 V or 3.3V ±10%)
Pin Out Information for the PECL output option
1. By setting pin 2 high, the outputs are disabled and output on pin
4 is held low while Complementary output on pin 5 is held high.
Output is enabled by setting pin 2 at < Vcc -1.6V, See ordering
information for enable/disable option.
Pin Symbol Function
J-Type
Ordering Information
77.76 MHz
82.944 MHz
139.264 MHz
155.52 MHz
161.1328 MHz
166.6286 MHz
Standard Frequencies
mm
in
Temperature Range
C =
0 to 70°C
L = -40 to 85°C
Frequency
15 MHz to 180 MHz
G
U
L
M
E
77.760
Package:
6-Pin Ceramic SOJ
Supply Voltage
C = 5.0 Vdc ±10%
D = 3.3 Vdc ±10%
Output
U = VCXO
L = ±10% Linear VCXO
M = ±20 ppm stability VCXO
APR
F = ±32 ppm
G = ±50 ppm
MHz
Specials
N = Standard
P = 6 ps rms (<1ps rms
12 kHz - 20 MHz offset) jitter
Duty Cycle
M = PECL 45/55%
P
Tri-state
U = None
E = Enable/Disable on pin 2
D
J
VCXO
8798_AA's Vectron
05/30/02
3:11 PM
Page 15
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