PL620-88 Datasheet, PDF (5/6 Pages) Micrel Semiconductor – Low Phase Noise XO (9.5-65MHz Output)

PL620-88/-89
Low Phase Noise XO (9.5-65MHz Output)
8. LVPECL Electrical Characteristics
PARAMETERS
SYMBOL
CONDITIONS
MIN
MAX
UNITS
Output High Voltage
Output Low Voltage
V_OH
R_L = 50Ω to (V_DD – 2V) ^{VDD – 1.025}
V
V_OL
(see figure)
V_DD – 1.620
V
9. LVPECL Switching Characteristics
PARAMETERS
SYMBOL
CONDITIONS
Clock Rise Time
Clock Fall Time
t_r
@20/80% - LVPECL
t_f
@80/20% - LVPECL
MIN TYP MAX UNITS
0.6
1.5
ns
0.5
1.5
ns
LVPECL Levels Test Circuit
OUT
VDD
50?
2.0V
LVPECL Output Skew
OUT
50%
50?
OUT
OUT
80%
50%
20%
OUT
tR
OUT
tSKEW
LVPECL Transistion Time Waveform
DUTY CYCLE
45 - 55%
55 - 45%
tF
Micrel Inc. • 2180 Fortune Drive • S an Jose, CA 95131 • USA • tel [phone] • fax [phone] • www.micrel.com Rev 4/28/09 Page 5