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
Differential Positive ECL (DPECL)
HA-A2870 Series
Description
The HA-A2870 Series of quartz crystal oscillators provide MECL 10K and 10KH series compatible signals
in industry standard four pin DIP hermetic package. Systems designers may now specify space-saving,
cost-effective packaged PECL oscillators to meet their timing requirements.
Features
· Wide frequency range18.0MHz to 250.0MHz
· User specified tolerance available
· Will withstand vapor phase temperatures of 253°C
for 4 minutes maximum
· Space-saving alternative to discrete component
oscillators
· High shock resistance, to 3000g
· 3.3Volt operation
· All metal, resistance weld, hermetically sealed
package
· Low Jitter
· MECL 10K and 10KH series compatible output on
Pin 5, complement on Pin 1
· High Q Crystal actively tuned oscillator circuit
· Power supply decoupling internal
· No internal PLL avoids cascading PLL problems
· High frequencies due to proprietary design
· Gold plated leads - Solder dipped leads available
upon request
Electrical Connection
Pin Connection
1 Output Complement
4 V
EE
/Ground
5 Output
8 V
CC
Dimensions are in inches and (MM)
CRYSTAL CLOCK OSCILLATORS
Data Sheet 9617A
Rev. L
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
HA-A2870 Series
Continued
Differential Positive ECL (DPECL)
Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter
Symbol
Conditions
Min
Typical
Max
Frequency
-----
-----
18.0MHz -----
250.0MHz
Duty Cycle -----
@ V
CC
-1.29V
45/55% -----
55/45%
Logic 0
(2)
V
OL
-----
V
CC
-1.95V -----
V
CC
-1.60V
Logic 1
(2)
V
OH
-----
V
CC
-1.02V -----
V
CC
-0.74V
Rise & Fall Time
tr,tf 20-80%V
O
with 50 ohm load to V
CC
-2V ----- 1.0 ns
1.5 ns
Tpd
(4)
-----
-----
-0.5 ns
-----
+0.5 ns
Jitter, RMS
(3)
-----
-----
-----
-----
5 psec
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
V
CC
-----
3.15V 3.3V
3.45V
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
-----
-----
-----
276 mW
Lead temperature
T
L
Soldering, 10 sec. ----- -----
300°C
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-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
ESD Sensitivity
Human Body Model per ON Semiconductor 10kH series ECL: 500V min
.
Footnotes:
1) Standard frequency stability (±20,±25,±50ppm & others available)
2) V
OL
, V
OH
, referenced to ground (V
EE
) with V
CC
= 3.3V
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 V
CC
-1.29V and rising edge of pin 1 at V
CC
-1.29V.
Rev. L
CRYSTAL CLOCK OSCILLATORS
HA - A287X - FREQ
Package Code
Tolerance/Performance
HA 4 Pin (8 Pin)
0 ±100ppm 0-70°C
SA 4 Pin (8 Pin) SMD Gull
1 ±50ppm 0-70°C
Wing
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
5V
C ±100ppm -40 to +85°C
Creating a Part Number
Data Sheet 9617A
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