Oscilent Corporation | 494 Series Surface Mount Crystal Oscillators
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SMD Oscillators
Series Number
Package
Description
Last Modified
494
6 Pad PCB J-Lead
PECL Output
Jan. 01 2007
FEATURES
- Wave form symmetry of 40/60%
- PECL output
- Industry standard 6 Pad PCB J-Lead SMD Package
- RoHs / Lead Free compliant
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Output Logic
Input Voltage (VDD)
CONDITIONS
CHARACTERISTICS
Positive ECL Square Wave (PECL)
3.3 ±10% 5.0 ±10%
UNITS
-
-
-
VDC
-
-
-
19.440 ~ 180.0 (Fund, Third, Fifth / UM-1)
0 ~ +70 (Std.) / -40 ~ 85 (Option)
-55 ~ +125
MHz
°C
Frequency Range (f )
O
Operating Temperature (T
Storage Temperature (T
)
OPR
)
°C
STG
-
±20 (0 ~ +70°C Only), ±25, ±50, ±100 max.
Inclusive of Overall Stability
PPM
Overall Frequency Stability
(a) Frequency Tolerance
(b) Temperature Stability
(c) Input Voltage Stability
(d) Load Stability
-
-
-
-
Inclusive of Overall Stability (Operating Temperature)
Inclusive of Overall Stability (VDD ±5%)
Inclusive of Overall Stability (RL ±5%)
-
80 max.
120 max.
mA
PPM/Y
nS
Input Current (I
Aging
)
DD
@ 25°C
±1 max.
2 max.
20% to 80% of Waveform
Rise Time (T )
R
20% to 80% of Waveform
2 max.
nS
Fall Time (T )
F
PECL
VDD - 1.025 min.
VDD - 1.620 max.
50
VDC
VDC
Ohms
%
Output Voltage High "1" VOH
Output Voltage Low "0" VOL
Load
PECL
-
50% of Waveform
50 ±10 (Std.) / 50 ±5 (Option)
Duty Cycle
-
10 max.
mS
ps
Start-Up Time (T )
S
RMS
3.5 max.
Jitter