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參數(shù)資料
| 型號(hào)： | SJ-A1440 |
| 廠商： | NEL Frequency Controls, Inc. |
| 英文描述： | Frequency Range: 10.0 MHz to 250.0 MHz |
| 中文描述： | 頻率范圍：10.0 MHz至250.0兆赫 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 296K |
| 代理商： | SJ-A1440 |
Description
The SJ-A1440 Series
of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible signals
for bus connected systems. Supplying Pin 1 of the SJ-A1440 units with a logic “1” or open enables its Pin 3
output. In the disable mode, Pin 3 presents a high impedance to the load.
Features
High Reliability - NEL HALT/HASS qualified for
crystal oscillator start-up conditions
Low jitter - Wavecrest jitter characterization avail-
able
Wide frequency range—10.0 MHz to 250.0 MHz
User specified tolerance available
Will withstand vapor phase temperatures of 253°C
for 4 minutes maximum
Space-saving alternative to discrete component
oscillators
High shock resistance, to 3000g
Metal lid electrically connected to ground to
reduce EMI
3.3 Volt operation
High Q crystal actively tuned oscillator circuit
Power supply decoupling internal
No internal PLL avoids cascading PLL problems
Low power consumption
Gold plated leads
RoHS Compliant, Lead Free Construction
SJ-A1440
Series
Size, mm
9 x 14
I/O
4 J Lead
Supply Voltage
3.3V / 5V
LVCMOS
SJ-A1440 Series
Rev P
Frequency Range: 10.0 MHz to 250.0 MHz
Creating a Part Number
SJ - A144X - FREQ
Package Code
SJ
4 J Lead 9x14 mm SMD
Input Voltage
Code
A
Specification
3.3 V
5 V
Tolerance/Performance
0 ±100 ppm 0-70°C
1 ±50 ppm 0-70°C
7 ±25 ppm 0-70°C
9 Customer Specific
A ±20 ppm 0-70°C
B ±50 ppm -40 to +85°C
C ±100 ppm -40 to +85°C
Drawing Specifications
Dimensions shown in inches and millimeters.
Electrical Connection
Pin
1
2
3
4
Connection
Enable Input
Ground & Case
Output
V
DD
For the most up to date speci-
fications on each NEL prod-
uct, log on to our website—
www.nelfc.com
357 Beloit Street, PO. Box 457, Burlington, WI 53105-0457 U.S.A. Phone: 262-763-3591
Fax: 262-763-2881 Email: nelsales@nelfc.com www.nelfc.com
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