SH-A148C-FREQ [NEL]
CRYSTAL CLOCK OSCILLATORS; 晶体时钟振荡器
| 型号： | SH-A148C-FREQ |
| 厂家： | 
NEL FREQUENCY CONTROLS,INC |
| 描述： | CRYSTAL CLOCK OSCILLATORS |
| 文件： | 总2页 (文件大小：302K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Data Sheet 0514E
CRYSTAL CLOCK OSCILLATORS
Rev. A
LVCMOS
SH-B1480 Series
Description
The SH-B1480 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible
signals for bus connected systems. Supplying Pin 1 of the SH-B1480 units with a logic “1" or open enables
its Pin 4 output. In the disable mode, Pin 4 presents a high impedance to the load.
Features
• Wide frequency range–150.0MHz to 280.0MHz
(Contact factory for other frequencies)
• User specified tolerance available
• High Reliability - NEL HALT/HASS qualified for
crystal oscillator start-up conditions
• High Q Crystal actively tuned oscillator circuit
• Will withstand SMD reflow temperatures of 253°C • Power supply decoupling internal
for 4 minutes maximum
• Space-saving alternative to discrete component
oscillators
• No internal PLL avoids cascading PLL problems
• High frequencies due to proprietary design
• Metal lid electrically connected to ground to
reduce EMI
• 2.5 Volt operation
• High shock resistance, to 1000g
• Low Jitter - Wavecrest jitter characterization
available
• Gold plated pads
• RoHS Compliant, Lead Free Construction
Electrical Connection
Pin
Connection
1
2
3
4
5
6
Enable/Disable
NC
Ground
Output
NC
VDD
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881
Email: nelsales@nelfc.com www.nelfc.com
Data Sheet 0514E
CRYSTAL CLOCK OSCILLATORS
Rev. A
SH-B1480 Series Continued
LVCMOS
Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter
Frequency
Symbol
-----
-----
VOL
Conditions
Min
Typical
Max
-----
150.0MHz
45/55%
-----
-----
-----
-----
-----
1.2 ns
-----
-----
-----
-----
-----
280.0MHz
55/45%
0.4V
Duty Cycle
@ VDD/2
Logic 0
@ 8.5mA
Logic 1
VOH
@ 8.5mA
VDD-0.4V
-----
-----
Rise & Fall Time
Jitter, RMS(2)
Tpz
tr,tf
10-90%VO
1.6 ns
3 psec
100 ns
-----
-----
-----
-----
-----
dF/F
Overtone
-----
-----
-----
Enable Voltage
Disable Voltage
Frequency Stability (1)
-----
1.6V
-----
-----
0.4V
Overall conditions including:
voltage, calibration, temp.,
10 yr aging, shock, vibration
-100ppm
+100ppm
General Characteristics
Parameter
Symbol
Conditions
2.5V±10%
No Load
Min
Typical
2.5V
32 mA
-----
Max
Supply Voltage (3)
Supply Current
Output current
Operating temperature
Storage temperature
Power Dissipation
Lead temperature
Load
VDD
IDD
IO
2.25V
0.0 mA
2.75V
40 mA
±25.0 mA
70°C
Low level Output Current 0.0 mA
TA
TS
PD
TL
------
0°C
-55°C
-----
-----
-----
-----
-----
-----
-----
125°C
110 mW
300°C
15pf
-----
-----
Soldering, 10 sec.
-----
-----
ts
-----
-----
-----
Start-up Time
-----
10 ms
Environmental and Mechanical Characteristics
Mechanical Shock
Thermal Shock
Vibration
Per MIL-STD-202, Method 213, Condition E
Per MIL-STD-833, Method 1011, Condition A
0.060" double amplitude 10 Hz to 55 Hz, 35g’s 55Hz to 2000 Hz
300°C for 10 seconds
Soldering Condition
Hermetic Seal
Leak rate less than 1 x 10-8 atm.cc/sec of helium
Footnotes:
1) Standard frequency stability (±20,±25,±50ppm & others available)
2) Jitter performance is frequency dependent. Please contact factory for full Wavecrest characterization.
RMS jitter bandwidth of 12kHz to 20MHz.
3) Internal high frequency power source decoupling.
Test Load:
Creating a Part Number
SH - B148X - FREQ
Package Code
Tolerance/Performance
0 ±100ppm 0-70°C
1 ±50ppm 0-70°C
SH 6 pad 5x7mm SMD
7 ±25ppm 0-70°C
Input Voltage
9 Customer Specific
A ±20ppm 0-70°C
Code Specification
A
B
3.3V
2. 5V
5V
B ±50ppm -40 to +85°C
C ±100ppm -40 to +85°C
357 Beloit Street, P.O. 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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