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DPECL



NEL 로고
NEL
SD-A29H0 데이터시트, 핀배열, 회로
www.DataSheet4U.com
CRYSTAL CLOCK OSCILLATORS
Differential Positive ECL (DPECL)
Fast Edge
SD-A29H0 Series
Data Sheet 0528A
Rev. B
Description
The SD-A29H0 Series of quartz crystal oscillators provide DPECL compatible signals. Systems designers
may now specify space-saving, cost-effective packaged PECL oscillators to meet their timing requirements.
Features
• Wide frequency range – 60.0MHz to 312.500MHz
• User specified tolerance available
• Will withstand SMD reflow temperatures of 253°C
for 4 minutes maximum
• Space-saving alternative to discrete component
oscillators
• High shock resistance, to 1000g
• 3.3 volt operation
• High Reliability - NEL HALT/HASS qualified for
crystal oscillator start-up conditions
• Wavecrest jitter characterization available
• Overtone technology
• High Q Crystal actively tuned oscillator circuit
• No internal PLL avoids cascading PLL problems
• Power supply decoupling internal
• Metal lid electrically connected to ground to
reduce EMI
• Gold plated pads
• RoHS Compliant, Lead Free Construction
• Ideal for Tachyon DX4 & other fast edge
applications
Electrical Connection
Pin Connection
1 Enable/Disable
2 N.C.
3 VEE /Ground
4 Output
5 /Output
6 VCC
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


SD-A29H0 데이터시트, 핀배열, 회로
CRYSTAL CLOCK OSCILLATORS
Data Sheet 0528A
SD-A29H0 Series Continued
Differential Positive ECL (DPECL)
Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter
Symbol
Conditions
Min
Frequency
----- -----
60.0MHz
Duty Cycle
Logic 0 (2)
Logic 1(2)
Rise & Fall Time
Tpd(6)
Jitter, RMS(3)
----- @ VCC-1.29V 45/55%
VOL -----
-----
VOH -----
VCC-1.025V
tr,tf 20-80%VO with 50 ohm load to VCC-2V -----
----- -----
-200psec
----- -----
-----
Enable Voltage(5)
Disable Voltage
Frequency Stability (1)
-----
-----
dF/F
with VEE = 0V
with VEE = 0V
Overall conditions including:
2.0V
-----
-100ppm
voltage, calibration, temp.,
10 yr aging, shock, vibration
Typical
-----
-----
-----
-----
225ps
-----
-----
-----
-----
-----
General Characteristics
Parameter
Symbol
Conditions
Min
Supply Voltage(4)
Supply Current
Output current
Operating temperature
Storage temperature
Power Dissipation
Lead temperature
Load
Start-up time
VCC -----
3.135V
ICC
50 ohm termination
0.0 mA
To 2.00V below VCC
IO Low level Output Current 0.0 mA
TA ------
0°C
TS -----
-55°C
PD -----
-----
TL
Soldering, 10 sec.
-----
50 Ohm to VCC-2V or Thevenin Equivalent, Bias Required
tS -----
-----
Typical
3.3V
-----
-----
-----
-----
-----
-----
2 ms
Environmental and Mechanical Characteristics
Mechanical Shock
Per MIL-STD-202, Method 213, Condition E
Thermal Shock
Per MIL-STD-833, Method 1011, Condition A
Vibration
0.060" double amplitude 10 Hz to 55 Hz, 35g’s 55Hz to 2000 Hz
Soldering Condition
300°C for 10 seconds
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) VOL, VOH, referenced to ground (VEE) with VCC = 3.3V
3) Jitter performance is frequency dependent. Please contact factory for full Wavecrest characterization.
RMS jitter bandwidth of 12kHz to 20MHz.
4) Internal high frequency power source decoupling.
5) Open to enable pin also enables the output.
6) Tpd is phase shift between the falling edge of pin 4 at 2.0V and the rising edge of pin 5 at 2.01V.
Rev. B
Max
312.5MHz
55/45%
VCC-1.62V
-----
600ps
+200psec
1 ps
-----
0.8V
+100ppm
Max
3.465V
120 mA
±50.0 mA
70°C
125°C
416 mW
300°C
10 ms
Creating a Part Number
SD - A29HX - FREQ
Package Code
SD 6 pad 5x7mm 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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