82G33 datasheet(376/437 Pages) INTEL

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Electrical Characteristics

376

Datasheet

Table 11-2. Intel® Q35/Q33 Express Chipset – GMCH Current Consumption in S0

Symbol

Parameter

Signal

Names

Sustained

Max

Unit

Notes

1.25 V Core Supply Current

(using integrated graphics)

VCC

(int gfx)

5.27

7.00

IVCC

1.25 V Core Supply Current

(using external graphics)

VCC

(ext gfx)

2.34

3.18

1,2

IVCC_DDR2

DDR2 System Memory Interface (1.8 V)

Supply Current

VCC_DDR

2.62

3.71

IVCC_CKDDR2

DDR2 System Memory Clock Interface

(1.8 V) Supply Current

VCC_CKDDR

180

220

1, 2, 3

1.25 V PCI Express* / Intel® SDVO and

DMI Supply Current

(using integrated graphics)

VCC_EXP

(int gfx)

0.46

1.00

IVCC_EXP

1.25 V PCI Express* / Intel® SDVO and

DMI Supply Current

(using external graphics)

VCC_EXP

(ext gfx)

1.43

2.45

VCC_CL

1.25 V Controller Supply Current

VCC_CL

2.45

3.88

IVTT_FSB

System Bus Supply Current

VTT_FSB

0.52

IVCCA_EXP

3.3 V PCI Express* / Intel® SDVO and

DMI Analog Supply Current

VCCA_EXP

IVCCA_DAC

3.3 V Display DAC Analog Supply Current

VCCA_DAC

IVCC3_3

3.3 V CMOS Supply Current

VCC3_3

0.5

VCCD_CRT

1.5 V Display Digital Supply Current

VCCD_CRT

VCCDQ_CRT

1.5 V Display Quiet Digital Supply Current

VCCDQ_CRT

VCCAPLL_EXP

1.25 V PCI Express* /

Intel® SDVO and DMI

PLL Analog Supply Current

VCCAPLL_E

VCCA_HPLL

1.25 V Host PLL Supply Current

VCCA_HPLL

VCCA_DPLLA

1.25 V Display PLL A Supply Current

VCCA_DPLL

VCCA_DPLLB

1.25 V Display PLL B Supply Current

VCCA_DPLL

VCCA_MPLL

1.25 V System Memory PLL Analog

Supply Current

VCCA_MPLL

115

173

NOTES:

Measurements are for current coming through chipset’s supply pins.

Rail includes DLLs (and FSB sense amps on VCC).

Sustained Measurements are combined because one voltage regulator on the platform supplies

both rails on the MCH.

82G33 Datasheet(PDF) 376 Page - Intel Corporation

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