Intel 925 Data Sheet - Page 186

Electrical Characteristics R 11.2 Power Characteristics Table 11-2. Non-Memory Power Characteristics Symbol Parameter Signal Names Min Typ IVTT 1.2 V System Bus Supply VTT Bus Current - - IVCC 1.5 V Core Supply Current VCC (Integrated) - - IVCC 1.5 V Core Supply Current VCC (Discrete) - - IVCC_EXP 1.5 V PCI Express* and DMI Supply Current VCC_EXP - - IVCC2 2.5 V CMOS Supply Current VCC2 - - IVCCA_EXPPLL 1.5 V PCI Express and VCCA_EXPPLL - - DMI PLL Analog Supply Current IVCCA_HPLL 1.5 V Host PLL Supply Current 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. Max 1.0 9.7 7.7 1.4 2 45 45 Unit A A A A mA mA mA Notes 1, 4 2,3,4 2,3,4 Table 11-3. DDR2 Power Characteristics Symbol Parameter IVCCSM (DDR2) ISUS_VCCSM (DDR2) ISMVREF (DDR2) ISUS_SMVREF (DDR2) ITTRC (DDR2) ISUS_TTRC (DDR2) IVCCA_SMPLL (DDR2) 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 Min Max Unit Notes - 4.7 A - 25 mA - 10 µA - 10 µA - 32 mA - 0 µA - - - 186 Intel® 82925X/82925XE MCH Datasheet