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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
SK-B29B0 Series
Continued
Differential Positive ECL (DPECL)
Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter
Frequency
Duty Cycle -----
Logic 0
Logic 1
(1)
Rise & Fall Time
Jitter, RMS
(4)
Enable Voltage
(2)
Disable Voltage
Frequency Stability
(3)
dF/F
Symbol
-----
Conditions
-----
@ 50% points 45/55% -----
-----
V
-----
tr,tf 20-80%V
O
with 50 ohm load to V
CC
-2V ----- 350 psec
-----
-----
----
with V
EE
=0V
-----
with V
=0V
Overall conditions including:
voltage, calibration, temp.,
10 yr aging, shock, vibration
General Characteristics
Min
350.0MHz
Typical
-----
Max
1.7GHz
55/45%
V
CC
-1.620V
V
-0.880V
600 psec
0.5 psec
0.8V
V
+100ppm
V
OL
V
CC
-1.810V -----
V
-1.025V -----
-----
0V
2.0V
-100ppm
0.3 psec
-----
-----
-----
Parameter
Supply Voltage
Supply Current
Symbol
V
CC
I
CC
Conditions
2.5V±5% 2.375V 2.5V
50 ohm termination
To 2.00V below V
Low level Output Current 0.0 mA -----
------
-----
Min
Typical
Max
2.625V
160 mA
0.0 mA
-----
Output current
Operating temperature
Storage temperature
Input: Logic High (ECL) - Disables
V
or Open - Enables
Lead temperature
Load
Start-up time
I
O
T
A
T
±50.0 mA
70°C
125°C
0°C -----
-55°C -----
T
50 Ohm to V
CC
-2V or Thevenin Equivalent, Bias Required
t
S
-----
Soldering, 10 sec. -----
-----
300°C
-----
2 ms
10 ms
Environmental and Mechanical Characteristics
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 of helium
Footnotes:
1) V
, V
, referenced to ground
2) Open to Enable pin also enables the output.
3) Standard frequency stability (others available)
4) Jitter performance is frequency dependent. Please contact factory for full Aeroflex characterization.
RMS jitter bandwidth of 12kHz to 20MHz.
Rev. D
CRYSTAL CLOCK OSCILLATORS
SK - B29BX - FREQ
Package Code
HK Leaded 8 pin (14 pin)
SK 8 pin (14 pin) SMD Gull
Wing
Input Voltage
Code Specification
A 3.3V
B 2.5V
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
Creating a Part Number
Data Sheet 0447H