P620-21DC PLL [PhaseLink Corporation], P620-21DC Datasheet - Page 5

• Manufacturer Part Number: P620-21DC
• Description: Low Phase Noise XO (for HF Fund. and 3-rd O.T.)
• Manufacturer: PLL [PhaseLink Corporation]

8. PECL Electrical Characteristics
9. PECL Switching Characteristics
47745 Fremont Blvd., Fremont, California 94538 TEL [phone] FAX [phone] www.phaselink.com Rev 07/15/05 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
50Ω
50Ω
SYMBOL
SYMBOL
t
R
V
V
OH
OL
Low Phase Noise XO (for HF Fund. and 3
t
t
r
f
2.0V
VDD
PECL Transistion Time Waveform
45 - 55%
R
@20/80% - PECL
@80/20% - PECL
L
= 50 Ω to (V
CONDITIONS
(see figure)
CONDITIONS
DUTY CYCLE
t
F
OUT
OUT
50%
DD
– 2V)
PECL Output Skew
55 - 45%
t
SKEW
V
DD
MIN.
MIN.
Preliminary
– 1.025
TYP.
0.6
0.5
PLL620-21
V
DD
MAX.
– 1.620
MAX.
1.5
1.5
rd
UNITS
UNITS
O.T.)
ns
ns
V
V