HIGH SPECIFICATION OSCILLATORS
EQLXO-2000 SERIES
8 pin Dual-in-Line
MIL SPECIFICATION OSCILLATORS
DESCRIPTION
Euroquartz EQLXO-2000 series 8 pin DIL oscillators are designed for
military, aerospace and similar applications requiring high reliability
components. Material specification consists of a hybrid circuit substrate
with all-ceramic components coupled with a ruggedized crystal mounting
system. This design specification ensures that EQLXO-2000 series
oscillators provide a highly reliable and accurate source of clock signals,
in a package able to withstand severe environmental conditions.
OUTLINES AND DIMENSIONS
FEATURES
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Ceramic substrate and ruggedized mounts for high reliability
Industry-standard 8 pin DIL package for ease of design
5.0 Volt and 3.3 Volt operation
Option of Tristate or Output Enable
Full Screening in accordance with MIL-O-55310C, Class B
GENERAL SPECIFICATION
Frequency Range:
Supply Voltage:
Calibration Tolerance (+5V, 25ºC)*
Code A:
Code B:
Code C:
Temperature Stability**
0° to +50°C:
-10° to +70°C:
-40° to +85°C:
-55° to +125°C:
Supply Current:
Output Levels (5 Volt supply)
TTL:
CMOS:
Start-up Time:
Rise/Fall Time:
Symmetry*:
Ageing:
Shock, Survival:
Vibration, Survival:
Operating Temperature
Commercial:
Industrial:
Military:
Storage Temperature:
500kHz to 120MHz
+5.0 V±10% or +3.3V±10%
±0.01% (±100ppm)
±0.03%
±0.10%
from ±5ppm to ±30ppm
from ±10ppm to ±50ppm
from ±20ppm to ±100ppm
from ±30ppm to ±100ppm
4mA to 60mA
(Frequency dependent)
VOL
VOH
0.4V max.
2.4V min.
0.5V max.
4.5V min.
5ms max.
6ns typical, 10ns max.
(Frequency dependent)
40%/60%
5ppm max., first year
1000g peak 1ms, ½ sine
10g rms 10~2000Hz random
-10° to +70°C
-40° to +85°C
-55° to +125°C
-55° to +125°C
TRUTH TABLE (PIN 1 OPTION)
Option
Power Down
Tristate
Pin 1*
(Option)
Low (0)
High (1)
Low (0)
High (1)
Pin 5
(Output)
High (1)
Freq. Output
High (Z)
Freq. Output
* Normally High (internal pull-up resistor)
POWER DOWN vs TRISTATE
Power Down:
Tristate:
When Pin 1is low (0) the oscillator stops oscillation.
When Pin 1 is low the oscillator is running. However,
the output buffer amplifier stops functioning and the
Pin 5 output is in high impedance state.
PART NUMBERS & ORDERING INFORMATION
Example:
10.000MHz
EQLXO-2100UM-A-SCREENED
* Tighter tolerances are available for calibration, stability and duty cycle.
** Does not include calibration tolerance.
Note: All parameters measured at ambient temperature with a 10MW
and 10pF load at 5.0 Volts.
ABSOLUTE MAXIMUM RATINGS
Supply Voltage Vcc:
Storage Temperature:
-0.V to +7V
-55° to +125°C
Frequency
Series
Stability 100 = ±100ppm
050 = ±50ppm
030 = ±30ppm
Output
U = CMOS
T = TTL
Operating Temperature Range
M = Military
I = Industrial
C = Commercial
Calibration Tolerance Code
A, B or C (see gen. spec.)
Testing Status
‘Screened’ for MIL-O-55310C, Class B
Blank - Unscreened
(Check with Euroquartz sales office for details of Screening)
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 1460 230000 Fax: +44 1460 230001 email: info@euroquartz.co.uk web: www.euroquartz.co.uk
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