Electrical Characteristics
R
186
Intel
®
82925X/82925XE MCH Datasheet
11.2 Power
Characteristics
Table 11-2. Non-Memory Power Characteristics
Symbol Parameter Signal
Names
Min
Typ
Max
Unit
Notes
I
VTT
1.2 V System Bus Supply
Bus Current
VTT —
—
1.0
A
1,
4
I
VCC
1.5 V Core Supply Current
(Integrated)
VCC —
—
9.7
A
2,3,4
I
VCC
1.5 V Core Supply Current
(Discrete)
VCC —
—
7.7
A
2,3,4
I
VCC_EXP
1.5 V PCI Express* and
DMI Supply Current
VCC_EXP —
—
1.4 A
I
VCC2
2.5 V CMOS Supply
Current
VCC2 —
—
2
mA
I
VCCA_EXPPLL
1.5 V PCI Express and
DMI PLL Analog Supply
Current
VCCA_EXPPLL — — 45 mA
I
VCCA_HPLL
1.5 V Host PLL Supply
Current
VCCA_HPLL —
—
45
mA
NOTES:
1. Estimate is only for max current coming through the chipset’s supply balls.
2. Rail includes PLL current.
3. Includes Worst case Leakage.
4. Calculated for highest frequencies.
Table 11-3. DDR2 Power Characteristics
Symbol Parameter Min
Max
Unit
Notes
I
VCCSM
(DDR2)
DDR2 System Memory Interface (1.8 V) Supply
Current
— 4.7 A
I
SUS_VCCSM
(DDR2)
DDR2 System Memory Interface (1.8 V)
Standby
Supply Current
— 25 mA
I
SMVREF
(DDR2)
DDR2 System Memory Interface Reference
Voltage (0.90 V) Supply Current
— 10 µA
I
SUS_SMVREF
(DDR2)
DDR2 System Memory Interface Reference
Voltage (0.90 V)
Standby
Supply Current
— 10 µA
I
TTRC
(DDR2)
DDR2 System Memory Interface Resister
Compensation Voltage (1.8 V) Supply Current
— 32 mA
I
SUS_TTRC
(DDR2)
DDR2 System Memory Interface Resister
Compensation Voltage (1.8 V)
Standby
Supply
Current
— 0 µA
I
VCCA_SMPLL
(DDR2)
System Memory PLL Analog (1.5 V) Supply
Current
— — —
Содержание 82925X
Страница 78: ...Host Bridge DRAM Controller Registers D0 F0 R 78 Intel 82925X 82925XE MCH Datasheet...
Страница 98: ...EPBAR Registers Egress Port Register Summary R 98 Intel 82925X 82925XE MCH Datasheet...
Страница 108: ...DMIBAR Registers Direct Media Interface DMI RCRB R 108 Intel 82925X 82925XE MCH Datasheet...
Страница 156: ...Host PCI Express Graphics Bridge Registers D1 F0 R 156 Intel 82925X 82925XE MCH Datasheet...
Страница 172: ...System Address Map R 172 Intel 82925X 82925XE MCH Datasheet...
Страница 192: ...Electrical Characteristics R 192 Intel 82925X 82925XE MCH Datasheet...
Страница 220: ...Ballout and Package Information R 220 Intel 82925X 82925XE MCH Datasheet Figure 12 3 MCH Package Dimensions MCH...