Hub Datasheet

178 Intel
®
E7505 Chipset MCH Datasheet
Electrical Characteristics
NOTE: 1. Actual values dependant on termination resistor values and RCOMP strength modes.
Table 6-11. DDR Interface DC Characteristics
Symbol
Signal
Group
Parameter Min Nom Max Unit Notes
V
IL
(DC) (g), (i) DDR Input Low Voltage
DVREF_x
– 0.150
V
V
IH
(DC) (g), (i) DDR Input High Voltage
DVREF_x
+ 0.150
V
V
IL
(AC) (g), (i) DDR Input Low Voltage
DVREF_x
– 0.310
V
IH
(AC) (g), (i) DDR Input High Voltage
DVREF_x
+ 0.310
V
OL
(g), (h) DDR Output Low Voltage 0 0.5 V 1
V
OH
(g), (h) DDR Output High Voltage 1.9 VCC2_5 V 1
C
Out
(g), (h) DDR Output Pin Capacitance 2.5 5 pF
I
OL
(DC) (g), (h) DDR Output Low Current -35 mA
I
OH
(g), (h) DDR Output High Current 35 mA
I
OL
(AC) (g), (h) DDR Output Low Current 50 mA
I
OH
(AC) (g), (h) DDR Output High Current 50 mA
I
Leak
(g), (i) DDR Input Leakage Current 50 UA
C
IN
(g), (i) DDR Input Pin Capacitance 2.5 5 pF
DVREF_x (j) DDR Reference Voltage VCC2_5/2 V