JG82855GMESL7VN Datasheet, PDF (177/213 Pages) Intel Corporation – Intel® 855GM/855GME Chipset Graphics and Memory Controller Hub (GMCH)

Electrical Characteristics
R
Symbol
VCCALVDS
Signal
Group
(k1)
VCCADAC
(i1)
VCCGPIO
(j1)
Reference Voltages
HAVREF
(d)
HDVREF[2:0]
(d)
HCCVREF
(d)
HXSWING
(d)
HYSWING
HLVREF
(m)
SMVREF_0
(p)
GVREF
(g)
PSWING
(m)
SMVSWINGH
(p)
Parameter
Analog LVDS
Supply
Voltage
DAC Supply
Voltage
CMOS
Supply
Voltage
Min
1.425
1.425
3.135
Nom
1.5
1.5
3.3
Max
1.575
Unit Notes
V
1.575
V
3.465
V
Host Address
(0.66 x
0.66 x
(0.66 x
V
and
VTTLF) – VTTLF
VTTLF)+
Reference
2%
2%
Voltage
Host Data
Reference
Voltage
(0.66 x
0.66 x
(0.66 x
V
VTTLF) – VTTLF
VTTLF)+
2%
2%
Host Common (0.66 x
0.66 x
(0.66 x
V
Clock Voltage VTTLF) – VTTLF
VTTLF)+
2%
2%
Host
(0.33 x
0.33 x
(0.33 x
V
Compensation VTTLF)–
VTTLF
VTTLF) +
Reference
2%
2%
Voltage
Hub Interface
0.343
0.350
0.357
V
Reference
Voltage
DDR
Reference
Voltage
0.49 x
0.5 x
0.51 x
V
VCCSM
VCCSM
VCCSM
DVO
Reference
Voltage
0.73
0.75
0.77
V
RCOMP
Buffer
Differential
Amp
Reference
Voltage
0.8 – 2%
0.8
0.8 + 2%
V
System
Memory
RCOMP
Buffer
Differential
Amp
Reference
Voltage
(VCCSM* VCCSM * (VCCSM*
V
0.8)-2%
0.8
0.8) + 2%
Datasheet
177