82801DB Datasheet, PDF (520/587 Pages) Intel Corporation – Intel 82801DB I/O Controller Hub 4 (ICH4)

Electrical Characteristics
17.3 DC Characteristics
Table 17-1. DC Current Characteristics
Power Plane
Vcc1_5 Core
Vcc3_3 I/O
VccSus1_5
VccSus3_3
VccHI (HI 1.0 Mode – 1.8 V)
VccHI (HI 1.5 Mode – 1.5 V)
V_CPU_IO
V5REF
V5REF_Sus
VccRTC
SO
550 mA
528 mA
87.3 mA⁽¹⁾
168 mA⁽¹⁾
132 mA
99 mA
2.5 mA
10 µA
10 µA
N/A
Maximum Power Consumption
S1
266 mA
0.8 mA
54 mA
2.5 mA
132 mA
99 mA
2.5 mA
10 µA
10 µA
N/A
S3
N/A
N/A
15.6 mA
2.3 mA
N/A
N/A
N/A
N/A
10 µA
N/A
S4/S5
N/A
N/A
15.6 mA
2.3 mA
N/A
N/A
N/A
N/A
10 µA
N/A
G3
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
5 µA⁽²⁾
NOTES:
1. This number assumes 6 high-speed ports transmitting and receiving.
2. Icc(RTC) data is taken with Vcc(RTC) at 3.0 V while the system is in a mechanical off (G3) state at room
temperature.
Table 17-2. DC Characteristic Input Signal Association (Sheet 1 of 2)
Symbol
Associated Signals
PCI Signals: AD[31:0], C/BE[3:0]#, DEVSEL#, FRAME#, IRDY#, TRDY#, STOP#, PAR,
V_IH1/V_{IL1 PERR#, PLOCK#, SERR#, REQ[4:0]#}
(5 V Tolerant) _{PC/PCI Signals: REQ[A]#/GPIO[0], REQ[B]#/REQ[5]#/GPIO[1]}
V_IH2/V_IL2
(5 V Tolerant)
Interrupt Signals: IRQ[15:14], PIRQ[D:A]#, PIRQ[H:E]#/GPIO[5:2]
Legacy Signals: RCIN#, A20GATE
GPIO Signals: GPIO[7:6];
V_IH3/V_IL3
Clock Signals: CLK66, CLK48, CLK14
Interrupt Signals: SERIRQ
Power Management Signals:
PME#, PWRBTN#, RI#, LAN_RST#, SYS_RESET#, THRM#, VRMPWRGD
EEPROM Signals: EE_DIN
GPIO Signals: GPIO[43:32, 28:27, 25:24, 13:12, 8];
V_IH4/V_IL4
Clock Signals: PCICLK
LPC/FWH Signals: LDRQ[1:0]#, LAD[3:0]/FWH[3:0]
V_IH5/V_IL5
SMBus Signals: SMBCLK, SMBDATA
System Management Signals: INTRUDER#, SMLINK[1:0], SMBALERT#/GPIO[11]
Power Management Signals: RSMRST#, PWROK
Miscellaneous Signal: RTCRST#
V_IL6/V_IH6
V_IL7/V_IH7
V_IL8/V_IH8
LAN Signals: LAN_RXD[2:0], LAN_CLK
CPU Signals: FERR#, THRMTRIP#
Hub Interface Signals: HI[11:0], HI_STB / HI_STBS, HI_STB# / HI_STBF
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Intel^® 82801DB ICH4 Datasheet