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SA-2879 View Datasheet(PDF) - NEL Frequency Controls

Part NameDescriptionManufacturer
SA-2879 CRYSTAL CLOCK OSCILLATORS Differential Positive ECL (DPECL) NEL
NEL Frequency Controls NEL
SA-2879 Datasheet PDF : 2 Pages
1 2
CRYSTAL CLOCK OSCILLATORS
Data Sheet 9537A
HA-2870 Series Continued
Differential Positive ECL (DPECL)
Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter
Frequency
Duty Cycle
Logic 0 (2)
Logic 1(2)
Rise & Fall Time
Tpd (4)
Jitter, RMS(3)
Frequency Stability (1)
Symbol
Conditions
Min
-----
-----
18.0MHz
-----
@ VCC-1.29V
45/55%
VOL
-----
VCC-1.95V
VOH
-----
VCC-1.02V
tr,tf 20-80%VO with 50 ohm load to VCC-2V -----
-----
-----
-0.5 ns
-----
-----
-----
dF/F Overall conditions including:
-100ppm
voltage, calibration, temp.,
10 yr aging, shock, vibration
Typical
-----
-----
-----
-----
1.0 ns
-----
-----
-----
General Characteristics
Parameter
Supply Voltage
Supply Current
Output current
Operating temperature
Storage temperature
Power Dissipation
Lead temperature
Load
Start-up time
Symbol
Conditions
Min
VCC
-----
4.75V
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
-----
-----
Environmental and Mechanical Characteristics
Typical
5.0V
-----
-----
-----
-----
-----
-----
2 ms
Mechanical Shock
Thermal Shock
Vibration
Soldering Condition
Hermetic Seal
ESD Sensitivity
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 of helium
Human Body Model per ON Semiconductor 10kH series ECL: 500V min.
Footnotes:
1) Standard frequency stability (±20,±25,±50ppm & others available)
2) VOL, VOH, referenced to ground (VEE) with VCC = 5.0V
3) Jitter performance is frequency dependent. Please contact factory for full characterization.
4) Tpd is phase shift between the falling edge of pin 5 at VCC-1.29V and rising edge of pin 1 at VCC-1.29V.
Rev. L
Max
250.0MHz
55/45%
VCC-1.60V
VCC-0.74V
1.5 ns
+0.5 ns
5 psec
+100ppm
Max
5.25V
80 mA
±50.0 mA
70°C
125°C
420 mW
300°C
10 ms
Creating a Part Number
HA - A287X - FREQ
Package Code
HA 4 Pin (8 Pin)
SA 4 Pin (8 Pin) SMD Gull
Wing
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: nelsales@nelfc.com www.nelfc.com
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