RFX250 Datasheet, PDF (1/1 Pages) Fox Electronics – 2.5V LVE-PECL XO

2.5V LVE-PECL XO
MODEL: RFX250
Discontinued ^FEATURES
• 2.5V Operation
• High Performance
Applications Include
• SONET • WAN
• SDH • Gb Ethernet
• Complementary Output
• ATM
PRELIMINARY
• PART NUMBER SELECTION ^{Learn More - Internet Required}
Part Number
Model Frequency Operating
Number Stability Temperature
680-Frequency-xxxxx RFX250 See table See table
Frequency
Range (MHz)
600.000 ~ 1250
• ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency Range (FO)
Stability
(-20 ~ +70ºC)
(-40 ~ +85ºC)
Storage Temperature Range
Input Voltage
(VDD)
Input Current (IDD)
Rise Time
(20% ~ 80% Vp-p)
Fall Time
(80% ~ 20% Vp-p)
Symmetry
(50% Vp-p)
Output Voltage (VOL)
(VOH)
PECL Skew (50% Vp-p)
Jitter
RMS 12kHz to 20MHz
RMS 50kHz to 80MHz
RMS Period
Cycle-to-Cycle
Output Disable Time
Output Enable Time
MAX (unless otherwise noted)
600.000 ~ 1250MHz
±20PPM
±25PPM
-55ºC ~ +125ºC
2.5V ± 5%
32mA
0.5nS
0.5nS
45/55 %
0.9 V
1.3 V Min
125pS
0.3pS Typ.
0.8pS Typ.
2.6pS Typ.
19pS Typ
100nS Max
100nS Max
1 _{Inclusive of 25ºC tolerance, operating temperature range, input voltage change, load change, aging,}
shock, and vibration.
2 _{An internal pullup resistor from pin 1 to pin 6 allows active output if pin 1 is left open}
All specifications subject to change without notice. Rev. 6/1/04
RFX300 Series Recommended Circuit
Learn more about:
Part Marking Identification
Tape and Reel Specification
Internet required
LV-PECL OUT
LV-PECL OUT
All dimensions are in millimeters.
• ENABLE / DISABLE FUNCTION
(Pin 1)
OUTPUT (Pin 4, pin 5)
OPEN ²
'1' Level VIH ≥ 2.0V
'0' Level VIL ≤ 1.0V
ACTIVE
ACTIVE
High Z
FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905 USA [phone] FAX [phone] http://www.foxonline.com 61
© 2004 FOX ELECTRONICS