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Table 2-8. Voltage and Current Specifications (Sheet 1 of 2)
Symbol
VID range
VID
Processor Number
570/571
V
CC
560/561
550/551
V
CC
540/541
530/531
520/521
570/571
560/561
I
CC
550/551
540/541
530/531
520/521
570/571
560/561
I
SGNT
550/551
540/541
530/531
520/521
570/571
560/561
I
ENHANCED_AUTO_
550/551
HALT
540/541
530/531
520/521
I
I
TCC active
TCC
CC
V
FSB termination voltage (DC+AC specifications)
TT
VTT_OUT I
DC Current that may be drawn from VTT_OUT per pin
CC
I
FSB termination current
TT
Datasheet
Parameter
Core Frequency
V
for 775_VR_CONFIG_04B
CC
processors
3.80 GHZ (PRB = 1)
3.60 GHz (PRB = 1)
550
3.40 GHz (PRB = 1)
V
for 775_VR_CONFIG_04A
CC
processors
3.40 GHz (PRB = 0)
3.20 GHz (PRB = 0)
3 GHz (PRB = 0)
2.80 GHz (PRB = 0)
I
for processor with multiple
CC
VID
3.80 GHZ (PRB = 1)
3.60 GHz (PRB = 1)
550
3.40 GHz (PRB = 1)
3.40 GHz (PRB = 0)
3.20 GHz (PRB = 0)
3 GHz (PRB = 0)
2.80 GHz (PRB = 0)
I
Stop-Grant
CC
3.80 GHZ (PRB = 1)
3.60 GHz (PRB = 1)
550
3.40 GHz (PRB = 1)
3.40 GHz (PRB = 0)
3.20 GHz (PRB = 0)
3 GHz (PRB = 0)
2.80 GHz (PRB = 0)
I
Enhanced Auto Halt
CC
3.80 GHZ (PRB = 1)
3.60 GHz (PRB = 1)
3.40 GHz (PRB = 0)
3.20 GHz (PRB = 0)
3 GHz (PRB = 0)
2.80 GHz (PRB = 0)
Electrical Specifications
Min
Typ
Max
1.200
—
1.425
Refer to
Table 2-10
and
Figure 2-3
Refer to
Table 2-9
and
Figure 2-2
119
119
119
—
—
78
78
78
78
56
56
56
—
—
40
40
40
40
37
37
—
—
31
31
40
40
—
—
I
CC
1.14
1.20
1.26
—
—
580
—
—
3.5
1
Unit
Notes
2
V
3, 4, 5, 6
V
3, 4, 6, 7, 8
V
9
A
10, 11, 15
A
11, 15
A
12
A
13, 14
V
mA
15, 16
A
25
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