301467-005 Datasheet, PDF (262/426 Pages) Intel Corporation – Express Chipset

Electrical Characteristics
R
13.4 DC Characteristics
13.4.1 General DC Characteristics
Table 13-6. DC Characteristics³
Symbol
Signal
Group
Parameter
Min
Nom
Max
Unit
I/O Buffer Supply Voltage (AC Noise not included)
VCCSM (DDR)
(s) DDR I/O Supply Voltage
2.5
2.6
2.7
V
VCCSM (DDR2) (t) DDR2 I/O Supply Voltage
1.7
1.8
1.9
V
VCCA_SMPLL
(u) DDR I/O PLL Analog Supply
1.425
1.5
1.575
V
(DDR)
Voltage
VCCA_SMPLL
(DDR2)
(v) DDR2 I/O PLL Analog
Supply Voltage
1.425
1.5
1.575
V
VCC_EXP
(r) SDVO, PCI-Express Supply
1.425
1.5
1.575
V
Voltage
VTT
(q) System Bus Input Supply
1.09
1.2
1.26
V
Voltage
VCC
(w) (G)MCH Core Supply
Voltage
1.425
1.5
1.575
V
VCC2
(x) CMOS Supply Voltage
2.375
2.5
2.625
V
VCCA_DAC
(y) CRT Display DAC Supply
2.375
2.5
2.625
V
Voltage
VCCA_HPLL,
VCCA_EXPPLL,
VCCA_DPLLA,
VCCA_DPLLB
(z) Various PLL’S Analog
Supply Voltages
1.425
1.5
1.575
V
Reference Voltages
HVREF
HSWING
SMVREF (DDR)
(d) Host Address, Data, and
Common Clock Signal
Reference Voltage
(d) Host Compensation
Reference Voltage
(j) DDR Reference Voltage
SMVREF
(DDR2)
(m) DDR2 Reference Voltage
2/3 x V_TT1– 2% 2/3 x V_TT 2/3 x V_TT + 2% V
1/4 x V_TT – 2% 1/4 x VTT 1/4 x V_TT +
V
2%
0.50 x
0.50 x
0.50 x
V
VCCSM(DDR) VCCSM VCCSM(DDR)
– 0.05
(DDR)
+ 0.05
0.49 x VCCSM 0.50 x 0.51 x VCCSM V
(DDR2)
VCCSM
(DDR2)
(DDR2)
Host Interface
V_{IL_H}
V_{IH_H}
(a, c) Host GTL+ Input Low
Voltage
(a, c) Host GTL+ Input High
Voltage
-0.10
0
(2/3 x V_TT) –
V
0.1
(2/3 x V_TT) +
V_TT
0.1
V_TT + 0.1
V
Notes
262
Datasheet