
IDT82V3285A
WAN PLL
Electrical Specifications
132
August 7, 2009
9.3.2
PECL / LVDS INPUT / OUTPUT PORT
9.3.2.1
PECL Input / Output Port
Figure 30. Recommended PECL Input Port Line Termi-
nation
Figure 31. Recommended PECL Output Port Line Ter-
mination
IN3_POS
IN3_NEG
IN4_POS
IN4_NEG
2 kHz
to
667 MHz
50
(transmission line)
V
DD (+ 3.3 V)
130
82
GND
V
DD (+ 3.3 V)
130
82
GND
50
(transmission line)
50
(transmission line)
V
DD (+ 3.3 V)
130
82
GND
V
DD (+ 3.3 V)
130
82
GND
50
(transmission line)
2 kHz
to
667 MHz
V
DD (+ 3.3 V)
130
82
OUT4_POS
OUT4_NEG
OUT5_POS
OUT5_NEG
2 kHz
to
667 MHz
50
(transmission line)
50
(transmission line)
GND
V
DD (+ 3.3 V) 130 82
GND
V
DD (+ 3.3 V)
130
82
2 kHz
to
667 MHz
50
(transmission line)
50
(transmission line)
GND
V
DD (+ 3.3 V) 130 82
GND