P520-28OC PLL [PhaseLink Corporation], P520-28OC Datasheet - Page 5

• Manufacturer Part Number: P520-28OC
• Description: Low Phase Noise VCXO (for 120-200MHz Fund Xtal)
• Manufacturer: PLL [PhaseLink Corporation]

9. PECL Electrical Characteristics
10. PECL Switching Characteristics
47745 Fremont Blvd., Fremont, California 94538 Tel [phone] Fax [phone] www.phaselink.com Rev 09/20/04 Page 5
Output High Voltage
Output Low Voltage
Clock Rise Time
Clock Fall Time
PARAMETERS
PARAMETERS
OUT
OUT
PECL Levels Test Circuit
OUT
80%
50%
20%
OUT
Low Phase Noise VCXO (for 120-200MHz Fund Xtal)
50Ω
50Ω
SYMBOL
SYMBOL
V
V
OH
OL
t
t
r
f
t
R
@20/80% - PECL
@80/20% - PECL
2.0V
R
VDD
L
PECL Transistion Time Waveform
45 - 55%
= 50 Ω to (V
CONDITIONS
(see figure)
CONDITIONS
DUTY CYCLE
DD
t
F
– 2V)
OUT
OUT
50%
PECL Output Skew
55 - 45%
V
DD
MIN.
MIN.
t
SKEW
– 1.025
PLL520-28/-29
TYP.
0.6
0.5
V
DD
MAX.
– 1.620
MAX.
1.5
1.5
UNITS
UNITS
ns
ns
V
V