82801CA Datasheet, PDF (463/521 Pages) Intel Corporation – I/O Controller Hub 3-S (ICH3-S)

Electrical Characteristics
Table 16-6. Other DC Characteristics
Symbol
Parameter
V5REF
VCC3_3
VCC1_8
HIREF
ICH3 Core Well Reference Voltage
I/O Buffer Voltage
Internal Logic Voltage
Hub Interface Reference Voltage
V5REF_Sus ^{Suspend Well Reference Voltage}
VccSus3_3 ^{Suspend Well I/O Buffer Voltage}
VccSus1_8 ^{Suspend Well Logic Voltage}
Vcc(RTC) Battery Voltage
V+
Low to High Input Threshold
V-
High to Low Input Threshold
Min
4.75
3.135
1.71
0.343
4.75
3.135
1.71
2.0
1.5
1.0
Max
5.25
3.465
1.89
0.357
5.25
3.465
1.89
3.6
2.0
1.5
V_HYS
Difference between Input
320
Thresholds:
(V+_{current value}) – (V-_{current value})
V_THRAVG Average of thresholds:
1.3
1.7
((V+_{current value}) + (V-_{current value}))/2
V_RING
Voltage at Recipient Connector
-1.0
6.0
VIT+
Hysteresis Input Rising Threshold
1.9
VIT-
Hysteresis Input Falling Threshold
1.3
VDI
VCM
VCRS
VSE
ILI1
ILI2
ILI3
Differential Input Sensitivity
Differential Common Mode Range
Output Signal Crossover Voltage
Single Ended Rcvr Threshold
Input Leakage Current
Hi-Z State Data Line Leakage
Input Leakage Current–Clock
signals
0.2
0.8
1.3
0.8
-1.0
-10
-100
2.5
2.0
2.0
+1.0
+10
+100
Input Capacitance–Hub interface
8
CIN
Input Capacitance–All Other
12
COUT Output Capacitance
12
CI/O
I/O Capacitance
12
Crystal Load Capacitance
Typical Value
CL
XTAL1
6
CL
XTAL2
6
NOTE: Includes APICCLK, CLK14, CLK48, CLK66, LAN_CLK, and PCICLK.
Unit
Notes
V
V
V
V
V
V
V
V
Applies to Ultra
V DMA modes greater
than mode 4.
V Applies to Ultra
DMA modes greater
than mode 4
mV Applies to Ultra
DMA modes greater
than mode 4
V Applies to Ultra
DMA modes greater
than mode 4
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
uA
uA (0 V< VIN< 3.3V)
uA See Note
pF FC = 1 MHz
pF FC = 1 MHz
pF FC = 1 MHz
pF
pF
Intel^® 82801CA ICH3-S Datasheet
463