參數(shù)資料
型號: RG82870P2
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項-數(shù)據(jù)表參考
文件頁數(shù): 36/157頁
文件大小: 1407K
代理商: RG82870P2
Intel
82845MP/82845MZ Chipset-Mobile (MCH-M)
130
Datasheet
250687-002
R
8.
DC Characteristics
Table 38. DC Characteristics
Symbol
Signal
Group
Parameter
Min
Nom
Max
Unit
Notes
I/O Buffer Supply Voltage
VCCSM
(u)
DDR I/O Supply Voltage
2.375
2.5
2.625
V
VCC1_8
(t)
1.8V I/O Supply Voltage
1.71
1.8
1.89
V
VCC1_5
(s)
Core and AGP Voltage
1.425
1.5
1.575
V
VTT
(r)
Host AGTL+ Termination
Voltage
N/A
1.75
V
VTTactive
(r)
BK-M Active Range
1.0-5%
1.5+5%
VTTsleep
BK-M Inactive Range
0.85-2.5%
1.5+2.5%
Reference Voltages
HVREF
(d)
Host Address and Data
Reference Voltage
2/3 x VTT – 2%
2/3 x VTT
2/3 x VTT + 2%
V
HSWING
(d)
Host Compensation
Reference Voltage
1/3 x VTT – 2%
1/3 x VTT
1/3 x VTT + 2%
V
HIREF
(j)
Hub Interface Reference
Voltage
0.48 x VCC1_8
1/2 x VCC1_8
0.52 x VCC1_8
V
SDREF
(n)
DDR Reference Voltage
0.48 x VCCSM
1/2 x VCCSM
0.52 x VCCSM
V
AGPREF
(h)
AGP Reference Voltage
0.48 x VCC1_5
1/2 x VCC1_5
0.52 x VCC1_5
V
Host Interface
VIL_H
(a,c)
Host AGTL+ Input Low
Voltage
(2/3 x VTT) – 0.1
V
VIH_H
(a,c)
Host AGTL+ Input High
Voltage
(2/3 x VTT) + 0.1
V
VOL_H
(a,b)
Host AGTL+ Output Low
Voltage
(1/3 x VTT) + 0.1
V
VOH_H
(a,b)
Host AGTL+ Output High
Voltage
VTT-0.1
V
IOL_H
(a,b)
Host AGTL+ Output Low
Current
VTTmax / 0.75Rttmin
mA
Rttmin=45
ILEAK_H
(a,c)
Host AGTL+ Input
Leakage Current
±15
A
VOL<Vpad<
VTT
CPAD
(a,c)
Host AGTL+ Input
Capacitance
1.0
pF
DDR Interface
VIL(DC)
(k,m)
DDR Input Low Voltage
SDREF – 0.15
V
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