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SD-X2980 Datasheet(PDF) 2 Page - Nel Frequency Controls,inc

No. de Pieza. SD-X2980
Descripción  Differential Positive ECL (DPECL)
Descarga  3 Pages
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Fabricante  NEL [Nel Frequency Controls,inc]
Página de inicio  http://www.nelfc.com
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SD-X2980 Datasheet(HTML) 2 Page - Nel Frequency Controls,inc

   
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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
SD-X2980 Series
Continued
Differential Positive ECL (DPECL)
Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter
Symbol
Conditions
Min
Typical
Max
Frequency
-----
-----
25.0MHz
-----
312.5MHz
Duty Cycle
-----
@ V
CC-1.29V
45/55%
-----
55/45%
Logic 0
(2)
V
OL
-----
-----
-----
V
CC-1.62V
Logic 1
(2)
V
OH
-----
V
CC-1.025V
-----
-----
Rise & Fall Time
tr,tf
20-80%V
O with 50 ohm load to VCC-2V -----
-----
600ps
T
pd
(6)
-----
-----
-200psec
-----
+200psec
Jitter, Integrated
J
Integrated from phase noise,
-----
0.1 ps
-----
12kHz to 20MHz, RMS
Jitter, Wavecrest
Characterized
(3)
-----
Random Period
-----
2.3ps
-----
Accum, pk-to-pk
-----
29ps
-----
Phase Noise
(7)
£(Δf)
125MHz
@ 10Hz
-----
-70 dBc/Hz
-----
@100Hz
-----
-102 dBc/Hz
-----
@1kHz
-----
-135 dBc/Hz
-----
@10kHz
-----
-145 dBc/Hz
-----
@100kHz
-----
-145 dBc/Hz
-----
@ >1Mhz
-----
-145 dBc/Hz
-----
Enable Voltage
(5)
-----
with V
EE = 0V
0.7V
CC
-----
-----
Disable Voltage
-----
with V
EE = 0V
-----
-----
0.3V
CC
Frequency Stability
(1)
dF/F
Overall conditions including:
-100ppm
-----
+100ppm
voltage, calibration, temp.,
10 yr aging, shock, vibration
General Characteristics
Parameter
Symbol
Conditions
Min
Typical
Max
Supply Voltage
(4)
V
CC
Code A: 3.3V±5%
3.135V
3.3V
3.465V
Code B: 2.5V±5%
2.375V
2.5V
2.625V
Supply Current
I
CC
50 ohm termination
0.0 mA
-----
80 mA
To 2.00V below V
CC
Output current
I
O
Low level Output Current
0.0 mA
-----
±50.0 mA
Operating temperature
T
A
------
0°C
-----
70°C
Storage temperature
T
S
-----
-55°C
-----
125°C
Power Dissipation
P
D
3.3V
-----
-----
277mW
2.5V
-----
-----
210mW
Load
50 Ohm to V
CC-2V or Thevenin Equivalent, Bias Required
Start-up time
t
S
-----
-----
2 ms
10 ms
Environmental and Mechanical Characteristics
Mechanical Shock
Per MIL-STD-202, Method 213, Condition E
Thermal Shock
Per MIL-STD-883, Method 1011, Condition A
Vibration
0.060" double amplitude 10 Hz to 55 Hz, 35g’s 55Hz to 2000 Hz
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) V
OL, VOH, referenced to ground (VEE) with VCC = 3.3V
3) Jitter performance is frequency dependent. Please contact factory for
full Wavecrest characterization.
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.
7) If phase noise data at a particular frequency is needed, contact factory.
Rev. Y
CRYSTAL CLOCK OSCILLATORS
SD - X298X - FREQ
Package Code
Tolerance/Performance
SD
6 pad 5x7mm SMD
0 ±100ppm 0-70°C
1 ±50ppm 0-70°C
7 ±25ppm 0-70°C
Input Voltage
9 Customer Specific
Code Specification
A ±20ppm 0-70°C
A
3.3V
B ±50ppm -40 to +85°C
B
2.5V
C ±100ppm -40 to +85°C
Creating a Part Number
Data Sheet 0244A


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