Hub Datasheet

Intel
®
E7505 Chipset MCH Datasheet 179
Electrical Characteristics
Table 6-12. AGP Interface DC Characteristics
Symbol
Signal
Group
Parameter Min Nom Max Unit
Note
s
V
IL_AGP
(k),(m) AGP Interface Input Low Voltage 0.25 V
V
IH_AGP
(k),(m) AGP Interface Input High Voltage 0.450 V
V
OL_AGP
(k),(l) AGP Interface Output Low Voltage -0.3 0.05 V
V
OH_AGP
(k),(l) AGP Interface Output High Voltage 0.750 0.850 V
Z
PD
Pull-Down Impedance 0.90Ztarg 1.10Ztarg Ω
Z
PU
Pull-Up Impedance 0.90Ztarg 1.10Ztarg Ω
V
CC1_5
I/O Supply Voltage 1.425 1.5 1.575 V
PREF_AGPx (n) AGP Interface Reference Voltage 0.3325 0.35 0.3675 V
PSWNG_AGPx (n)
AGP Interface Swing Reference
Voltage
0.8 V
Table 6-13. Hub Interface 2.0 (HI_B) with Parallel Buffer Mode Configured for 50 Ω
Symbol
Signal
Group
Parameter Min Nom Max Unit Notes
V
IL_HI
(o) Hub Interface Input Low Voltage -0.3 0 HIVREF–0.1 V
V
IH_HI
(o) Hub Interface Input High Voltage HIVREF+ 0.1 0.7 1.2 V
V
OL_HI
(o) Hub Interface Output Low Voltage 0 0.05 V
V
OH_HI
(o) Hub Interface Output High Voltage 0.75 0.8 0.85 V
I
IL_HI
(o) Hub Interface Input Leakage Current 25 µA
C
IN_HI
(o) Hub Interface Input Pin Capacitance 5 pF
∆C
IN
Strobe to Data Pin Capacitance Delta -0.5 0.5 pF
L
PIN
Pin Inductance (signal) 5 nH
Z
PD
Pull-Down Impedance 50 Ω
Z
PU
Pull-Up Impedance 25 Ω
VCC I/O Supply Voltage 1.2 V
CClk CLK66 Pin Capacitance 5 8 pF
PREF_B (q) Hub Interface Reference Voltage 0.343 0.35 0.357 V
PSWNG_B (q)
Hub Interface Swing Reference
Voltage
0.8 V