910GL datasheet(262/426 Pages) INTEL

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Electrical Characteristics

262

Datasheet

13.4

DC Characteristics

13.4.1

General DC Characteristics

Table 13-6. DC Characteristics

Symbol

Signal

Group

Parameter

Min

Nom

Max

Unit

Notes

I/O Buffer Supply Voltage (AC Noise not included)

VCCSM (DDR)

(s)

DDR I/O Supply Voltage

2.5

2.6

2.7

VCCSM (DDR2)

(t)

DDR2 I/O Supply Voltage

1.7

1.8

1.9

VCCA_SMPLL

(DDR)

(u)

DDR I/O PLL Analog Supply

Voltage

1.425

1.5

1.575

VCCA_SMPLL

(DDR2)

(v)

DDR2 I/O PLL Analog

Supply Voltage

1.425

1.5

1.575

VCC_EXP

(r)

SDVO, PCI-Express Supply

Voltage

1.425

1.5

1.575

VTT

(q)

System Bus Input Supply

Voltage

1.09

1.2

1.26

VCC

(w)

(G)MCH Core Supply

Voltage

1.425

1.5

1.575

VCC2

(x)

CMOS Supply Voltage

2.375

2.5

2.625

VCCA_DAC

(y)

CRT Display DAC Supply

Voltage

2.375

2.5

2.625

VCCA_HPLL,

VCCA_EXPPLL,

VCCA_DPLLA,

VCCA_DPLLB

(z)

Various PLL’S Analog

Supply Voltages

1.425

1.5

1.575

Reference Voltages

HVREF

(d)

Host Address, Data, and

Common Clock Signal

Reference Voltage

2/3 x VTT1– 2%

2/3 x VTT

2/3 x VTT + 2%

HSWING

(d)

Host Compensation

Reference Voltage

1/4 x VTT – 2%

1/4 x VTT

1/4 x VTT +

SMVREF (DDR)

(j)

DDR Reference Voltage

0.50 x

VCCSM(DDR)

– 0.05

0.50 x

VCCSM

(DDR)

0.50 x

VCCSM(DDR)

+ 0.05

SMVREF

(DDR2)

(m)

DDR2 Reference Voltage

0.49 x VCCSM

(DDR2)

0.50 x

VCCSM

(DDR2)

0.51 x VCCSM

(DDR2)

Host Interface

VIL_H

(a, c) Host GTL+ Input Low

Voltage

-0.10

(2/3 x VTT) –

0.1

VIH_H

(a, c) Host GTL+ Input High

Voltage

(2/3 x VTT) +

0.1

VTT

VTT + 0.1

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