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SC-A147C 반도체 회로 부품 판매점

CRYSTAL CLOCK OSCILLATORS



ETC 로고
ETC
SC-A147C 데이터시트, 핀배열, 회로
CRYSTAL CLOCK OSCILLATORS
LVCMOS
SC-A1470 Series
Data Sheet 0149A
Rev. B
PRELIMINARY
Description
The SC-A1470 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible
signals for bus connected systems. Supplying Pin 1 of the SC-A1470 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
• Wide freqency range: 4.0MHz to 20.0MHz
• User specified tolerance ±100ppm
• Will withstand vapor phase temperatures of 253°C
for 4 minutes maximum
• Space-saving alternative to discrete component
oscillators
• High shock resistance, to 1000g
• Low Jitter - Wavecrest jitter characterization
available
• High Reliability - NEL HALT/HASS qualified for
crystal oscillator start-up conditions
• Low power
• No internal PLL avoids cascading PLL problems
• Power Supply Decoupling Internal
Metal lid electrically connected to ground to
reduce EMI
• Gold plated pads
Electrical Connection
Pin Connection
1 Enable/Disable
2 Ground
3 Output
4 VDD
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881
Email: [email protected] www.nelfc.com


SC-A147C 데이터시트, 핀배열, 회로
CRYSTAL CLOCK OSCILLATORS
Data Sheet 0149A
SC-A1470 Series Continued
LVCMOS
Operating Conditions and Output Characteristics
Rev. B
Electrical Characteristics
Parameter
Frequency
Duty Cycle
Logic 0
Logic 1
Rise & Fall Time
Jitter, RMS(2)
Tpz
Enable Voltage
Disable Voltage
Frequency Stability(1)
Symbol
Conditions
----- -----
----- @ VDD/2
VOL @ 600µA
VOH @ 600µA
tr,tf 10-90%VO
----- -----
----- -----
----- -----
----- -----
dF/F Overall conditions including:
voltage, calibration, temp.,
10 year aging, shock, vibration
Min
4.0MHz
45/55%
-----
VDD-0.2V
-----
-----
-----
2.0V
-----
-100ppm
Typical
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
Max
20.0MHz
55/45%
0.2V
-----
15.0 ns
3 psec
25 ns
-----
0.8V
+100ppm
General Characteristics
Parameter
Supply Voltage
Supply Current
Output current
Operating temperature
Storage temperature
Power Dissipation
Lead temperature
Load
Start-up Time
Symbol
VDD
IDD
IO
TA
TS
PD
TL
-----
ts
Conditions
-----
No Load
Low level Output Current
------
-----
-----
Soldering, 10 sec.
-----
-----
Min
3.135V
0.0 mA
0.0 mA
0°C
-55°C
-----
-----
-----
-----
Environmental and Mechanical Characteristics
Typical
3.3V
-----
-----
-----
-----
-----
-----
-----
-----
Max
3.465V
5 mA
±16.0 mA
70°C
125°C
17 mW
300°C
15pf
2 ms
Mechanical Shock
Thermal Shock
Vibration
Soldering Condition
Hermetic Seal
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
Leak rate less than 1 x 10-8 atm.cc/sec
Footnotes:
1)Standard frequency stability (±20,±25,±50ppm & others available)
2) Jitter performance is frequency dependent. Please contact factory for full Wavecrest characterization.
Creating a Part Number
SC - A147X - FREQ
Package Code
SC 4 pad 5 x 7mm SMD
Input Voltage
Code Specification
A 3.3V
5V
Tolerance/Performance
0 ±100ppm 0-70°C
1 ±50ppm 0-70°C
7 ±25ppm 0-70°C
9 Customer Specific
A ±20ppm 0-70°C
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: [email protected] www.nelfc.com




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