IDT82V3285 Datasheet, PDF (131/147 Pages) Integrated Device Technology – WAN PLL

IDT82V3285
WAN PLL
9.3.2
9.3.2.1
PECL / LVDS INPUT / OUTPUT PORT
PECL Input / Output Port
V_DD (+ 3.3 V)
130 Ω
50 Ω (transmission line)
IN3_POS
2 kHz
to
667 MHz
82 Ω
GND
V_DD (+ 3.3 V)
130 Ω
50 Ω (transmission line)
IN3_NEG
82 Ω
GND
V_DD (+ 3.3 V)
130 Ω
50 Ω (transmission line)
IN4_POS
82 Ω
2 kHz
to
667 MHz
GND
V_DD (+ 3.3 V)
130 Ω
50 Ω (transmission line)
IN4_NEG
82 Ω
GND
Figure 28. Recommended PECL Input Port Line Termi-
nation
130 Ω
V_DD (+ 3.3 V)
OUT4_POS ^{50 Ω (transmission line)}
OUT4_NEG _{50 Ω (transmission line)}
V_DD (+ 3.3 V) _{130 Ω}
82 Ω
GND
2 kHz
to
667 MHz
GND
82 Ω
130 Ω
V_DD (+ 3.3 V)
OUT5_POS ^{50 Ω (transmission line)}
OUT5_NEG _{50 Ω (transmission line)}
V_DD (+ 3.3 V) _{130 Ω}
82 Ω
GND
2 kHz
to
667 MHz
GND
82 Ω
Figure 29. Recommended PECL Output Port Line Ter-
mination
Electrical Specifications
131
December 9, 2008