概述
数据手册HA-A877-FREQ 概述
Positive ECL (PECL) 正ECL （ PECL ）
HA-A877-FREQ 数据手册
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PDF下载Data Sheet 9727A
CRYSTAL CLOCK OSCILLATORS
Rev. N
Positive ECL (PECL)
HA-A870 Series
Description
The HA-A870 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 range–18.0MHz to 250.0MHz
• User specified tolerance available
• MECL 10K and 10KH series compatible output on
Pin 5, complement on Pin 1
• Will withstand vapor phase temperatures of 253°C • High Q Crystal actively tuned oscillator circuit
for 4 minutes maximum
• Space-saving alternative to discrete component
oscillators
• High shock resistance, to 3000g
• 3.3Volt operation
• 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
• All metal, resistance weld, hermetically sealed
package
• RoHS Compliant, Lead Free Construction
(unless solder dipped leads are supplied)
• Low Jitter
Electrical Connection
Pin
Connection
1
4
5
8
Output Complement
VEE /Ground
Output
VCC
Dimensions are in inches and (MM)
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
Data Sheet 9727A
CRYSTAL CLOCK OSCILLATORS
Rev. N
HA-A870 Series Continued
Positive ECL (PECL)
Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter
Frequency
Symbol
-----
-----
VOL
VOH
Conditions
-----
@ VCC-1.29V
-----
Min
Typical
Max
18.0MHz
45/55%
VCC-1.95V
VCC-1.02V
-----
-----
-----
-----
1.0 ns
-----
250.0MHz
55/45%
VCC-1.60V
VCC-0.74V
1.5 ns
5 psec
+100ppm
Duty Cycle
Logic 0 (2)
Logic 1(2)
-----
Rise & Fall Time
Jitter, RMS(3)
Frequency Stability (1)
tr,tf 20-80%VO with 50 ohm load to VCC-2V -----
-----
dF/F
-----
-----
-100ppm
Overall conditions including:
voltage, calibration, temp.,
10 yr aging, shock, vibration
-----
General Characteristics
Parameter
Supply Voltage
Supply Current
Symbol
VCC
ICC
Conditions
-----
50 ohm termination
To 2.00V below VCC
Min
3.15V
0.0 mA
Typical
3.3V
-----
Max
3.45V
80 mA
Output current
IO
Low level Output Current 0.0 mA
-----
-----
-----
-----
-----
±50.0 mA
70°C
125°C
276 mW
300°C
Operating temperature
Storage temperature
Power Dissipation
Lead temperature
Load
TA
TS
PD
TL
------
-----
-----
0°C
-55°C
-----
Soldering, 10 sec.
-----
50 Ohm to VCC-2V or Thevenin Equivalent, Bias Required
tS ----- -----
Start-up time
2 ms
10 ms
Environmental and Mechanical Characteristics
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 = 3.3V
3) Jitter performance is frequency dependent. Please contact factory for full characterization.
RMS jitter bandwidth of 12kHz to 20MHz.
Creating a Part Number
HA - A87X - FREQ
Package Code
Tolerance/Performance
0 ±100ppm 0-70°C
1 ±50ppm 0-70°C
HA 4 Pin (8 Pin)
SA 4 Pin (8 Pin) SMD Gull
Wing
7 ±25ppm 0-70°C
Input Voltage
Code Specification
9 Customer Specific
A ±20ppm 0-70°C
A
3.3V
5V
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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