Electrical Characteristics
Table 11-2. Current Consumption in S0
Signal
Names
Symbol
Parameter
Sustained
Max
Unit
Notes
1.25 V Core Supply Current
(Using Integrated Graphics)
1.25 V Core Supply Current
(Using External Graphics)
VCC
15.5
18.9
(int. graphics)
VCC
A
IVCC
1,2
7.20
2.26
9.30
(ext. graphics)
DDR2 System Memory Interface (1.8 V)
Supply Current
IVCCSM
VCCSM
3.70
250
A
1, 2, 3
DDR2 System Memory Clock Interface
(1.8 V) Supply Current
IVCC_SMCLK
VCC_SMCLK
mA
1.25 V PCI Express* / Intel® SDVO and
DMI Supply Current
VCC_EXP
(int. graphics)
(Using Integrated Graphics)
IVCC_EXP
1.76
2.47
A
2
1.25 V PCI Express* / Intel® SDVO and
DMI Supply Current
VCC_EXP
(ext. graphics)
(Using External Graphics)
1.25 V Controller Supply Current
System Bus Supply Current
IVCC_CL
IVTT
VCC_CL
2.64
0.95
3.80
0.98
A
A
2
VTT
1
3.3 V PCI Express* / Intel® SDVO and DMI
Analog Supply Current
IVCCA_EXP
VCCA_EXP
0.36
0.36
mA
IVCCA_DAC
IVCC3_3
IVCCD_CRT
IVCCDQ_CRT
3.3 V Display DAC Analog Supply Current
3.3 V CMOS Supply Current
VCCA_DAC
VCC3_3
70
21
65.8
15.8
30
mA
mA
mA
mA
1.5 V Display Digital Supply Current
1.5 V Display Quiet Digital Supply Current
VCCD_CRT
VCCDQ_CRT
100
3
0.03
1.25 V PCI Express* / Intel® SDVO and DMI
PLL Analog Supply Current
IVCCA_EXPPLL
IVCCA_HPLL
IVCCA_DPLLA
VCCA_EXPPLL
VCCA_HPLL
70
20
30
71.6
67.9
90.6
mA
mA
mA
1.25 V Host PLL Supply Current
1.25 V Display PLL A and PLL B Supply
Current
VCCA_DPLLA
1.25 V Display PLL A and PLL B Supply
Current
IVCCA_DPLLB
VCCA_DPLLB
VCCA_MPLL
40
90
90.6
225
mA
mA
1.25 V System Memory PLL Analog Supply
Current
IVCCA_MPLL
NOTES:
1. Measurements are for current coming through chipset’s supply pins.
2. Rail includes DLLs (and FSB sense amps on VCC).
3. Sustained Measurements are combined because one voltage regulator on the platform supplies
both rails on the GMCH.
312
Datasheet
INTEL [ INTEL ]
