82801DB Datasheet, PDF (525/587 Pages) Intel Corporation – Intel 82801DB I/O Controller Hub 4 (ICH4)

Electrical Characteristics
Table 17-6. Other DC Characteristics
Symbol
V5REF
Vcc3_3
V_CPU_IO
Vcc1_5,
VccHI(HI 1.5),
VccPLL
VccHI(HI 1.0)
Parameter
ICH4 Core Well Reference Voltage
I/O Buffer Voltage
CPU Interface Voltage
Internal Logic Voltage
Internal HI 1.0 Logic Voltage
HIREF
Hub Interface Reference Voltage
V5REF_Sus
VccSus3_3
VccSus1_5
VccRTC
VIT+
Suspend Well Reference Voltage
Suspend Well I/O Buffer Voltage
Suspend Well Logic Voltage
Battery Voltage
Hysteresis Input Rising Threshold
VIT-
VDI
VCM
VCRS
VSE
ILI1
ILI2
ILI3
ILI4
CIN
COUT
CI/O
Hysteresis Input Falling Threshold
Differential Input Sensitivity
Differential Common Mode Range
Output Signal Crossover Voltage
Single Ended Rcvr Threshold
ATA Input Leakage Current
PCI_3V Hi-Z State Data Line Leakage
PCI_5V Hi-Z State Data Line Leakage
Input Leakage Current - Clock signals
Input Capacitance - Hub interface
Input Capacitance - All Other
Output Capacitance
I/O Capacitance
CL
XTAL1
CL
XTAL2
Min
4.75
3.135
0.8
Max
Unit
5.25
V
3.465
V
1.75
V
Notes
1.425
1.575
V
1.71
0.48(VccHI)
0.343
4.75
3.135
1.425
2.0
1.89
0.52(VccHI)
0.357
5.25
3.465
1.575
3.6
1.9
1.3
0.2
0.8
2.5
1.3
2.0
0.8
2.0
–200
200
–10
10
–70
70
–100
+100
8
12
12
12
Typical Value
6
6
V
V HI 1.0 Mode
V HI 1.5 Mode
V
V
V
V
V
Applied to
USBP[5:0][P,N]
V
Applied to
USBP[5:0]P,N]
V |(USBPx+,USBPx-)|
V Includes VDI
V
V
µA (0 V < VIN < 5V)
µA (0 V < VIN < 3.3V)
µA
Max VIN = 2.7 V Min
VIN = 0.5 V
µA See Note
pF FC = 1 MHz
pF FC = 1 MHz
pF FC = 1 MHz
pF
pF
NOTE: Includes APICCLK, CLK14, CLK48, CLK66, LAN_CLK, and PCICLK
Intel^® 82801DB ICH4 Datasheet
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