307013-003 Datasheet, PDF (789/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

Electrical Characteristics
23 Electrical Characteristics
23.1
23.2
This chapter contains the DC and AC characteristics for the ICH7. AC timing diagrams
are included.
Thermal Specifications
Refer to the Intel^® I/O Controller Hub (ICH7) Thermal Design Guidelines for ICH7
thermal information.
Absolute Maximum Ratings
Table 23-1. Intel^® ICH7 Absolute Maximum Ratings
Parameter
Voltage on any 3.3 V Pin with respect to Ground
Voltage on any 5 V Tolerant Pin with respect to Ground
(V5REF=5 V)
1.05 V Supply Voltage with respect to VSS
1.5 V Supply Voltage with respect to VSS
3.3 V Supply Voltage with respect to VSS
5.0 V Supply Voltage with respect to VSS
V_CPU_IO Supply Voltage with respect to VSS
Maximum Limits
-0.5 to Vcc3_3 + 0.5 V
-0.5 to V5REF + 0.5 V
-0.5 to 2.1 V
-0.5 to 2.1 V
-0.5 to 4.6 V
-0.5 to 5.5 V
-0.5 to 2.1 V
Intel ^® ICH7 Family Datasheet
789