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493

更新时间: 2024-11-07 12:56:35
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PECL Output

493 数据手册

 浏览型号493的Datasheet PDF文件第2页 
Oscilent Corporation | 493 Series Surface Mount Crystal Oscillators  
Page 1 of 2  
SMD Oscillators  
Series Number  
Package  
Description  
Last Modified  
493  
6 Pad PCB Base  
PECL Output  
Jan. 01 2007  
FEATURES  
- Wave form symmetry of 45/55%  
- PECL / LVPECL output  
- Industry standard 6 Pad PCB 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 ±5% 5.0 ±5%  
UNITS  
-
-
-
V
-
-
-
19.440 ~ 180.000  
MHz  
°C  
Frequency Range (f )  
O
0 ~ +70 (Std.) / -40 ~ 85 (Option)  
-55 ~ +125  
Operating Temperature (T  
Storage Temperature (T  
)
OPR  
)
°C  
STG  
-
±20, ±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  
±3 max.  
1 max.  
20% to 80% of Waveform  
Rise Time (T )  
R
20% to 80% of Waveform  
1 max.  
nS  
Fall Time (T )  
F
PECL  
PECL  
Vcc - 1.025 min.  
Vcc - 1.620 max.  
Vcc - 0.88 min.  
Vdc  
Vdc  
Ohms  
%
Output Voltage High "1" VOH  
Output Voltage Low "0" VOL  
Load  
Duty Cycle  
Jitter  
Vcc - 1.555 max.  
Vdd - 2.0Vdc  
50% of Waveform  
RMS  
50  
50 ±10 (Std.) / 50 ±5 (Option)  
1 max.  
pS  
PIN CONNECTIONS  

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