Power Characteristics; Figure 12-1. Intel; Table 11-2. Non-Memory Power Characteristics; Table 11-3. Ddr2 Power Characteristics - Intel 925 - Pentium D 925 3.0GHz 800MHz 4MB-Cache Socket 775 CPU Datasheet

Electrical Characteristics
11.2

Power Characteristics

Table 11-2. Non-Memory Power Characteristics

Symbol
I
VTT
I
VCC
I
VCC
I
VCC_EXP
I
VCC2
I
VCCA_EXPPLL
I
VCCA_HPLL
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
I
VCCSM
(DDR2)
I
SUS_VCCSM
(DDR2)
I
SMVREF
(DDR2)
I
SUS_SMVREF
(DDR2)
I
TTRC
(DDR2)
I
SUS_TTRC
(DDR2)
I
VCCA_SMPLL
(DDR2)
186
Parameter
1.2 V System Bus Supply
Bus Current
1.5 V Core Supply Current
(Integrated)
1.5 V Core Supply Current
(Discrete)
1.5 V PCI Express* and
DMI Supply Current
2.5 V CMOS Supply
Current
1.5 V PCI Express and
DMI PLL Analog Supply
Current
1.5 V Host PLL Supply
Current
Parameter
DDR2 System Memory Interface (1.8 V) Supply
Current
DDR2 System Memory Interface (1.8 V) Standby
Supply Current
DDR2 System Memory Interface Reference
Voltage (0.90 V) Supply Current
DDR2 System Memory Interface Reference
Voltage (0.90 V) Standby Supply Current
DDR2 System Memory Interface Resister
Compensation Voltage (1.8 V) Supply Current
DDR2 System Memory Interface Resister
Compensation Voltage (1.8 V) Standby Supply
Current
System Memory PLL Analog (1.5 V) Supply
Current
Signal Names Min
VTT —
VCC —
VCC —
VCC_EXP —
VCC2 —
VCCA_EXPPLL —
VCCA_HPLL —
Min
—
—
—
—
—
—
—
®
Intel 82925X/82925XE MCH Datasheet
Typ Max Unit Notes
— 1.0 A 1, 4
— 9.7 A 2,3,4
— 7.7 A 2,3,4
—
1.4 A
— 2 mA
— 45 mA
— 45 mA
Max Unit Notes
4.7 A
25 mA
10 µA
10 µA
32 mA
0 µA
— —
R