Electrical Specifications
Table 2-8. Voltage and Current Specifications (Sheet 1 of 2)
Symbol
VID range
Parameter
Min
Typ
Max
Unit
Notes1
2
VID
1.200
—
1.425
V
Processor Number
Core Frequency
VCC for 775_VR_CONFIG_04B
processors
Refer to Table 2-10 and
Figure 2-3
3, 4, 5, 6
570/571
560/561
550
3.80 GHZ (PRB = 1)
3.60 GHz (PRB = 1)
3.40 GHz (PRB = 1)
VCC
V
V
VCC for 775_VR_CONFIG_04A
processors
550/551
540/541
530/531
520/521
3.40 GHz (PRB = 0)
3.20 GHz (PRB = 0)
3 GHz (PRB = 0)
Refer to Table 2-9 and
Figure 2-2
3, 4, 6, 7, 8
VCC
2.80 GHz (PRB = 0)
ICC for processor with multiple
VID
570/571
560/561
550
3.80 GHZ (PRB = 1)
3.60 GHz (PRB = 1)
3.40 GHz (PRB = 1)
3.40 GHz (PRB = 0)
3.20 GHz (PRB = 0)
3 GHz (PRB = 0)
119
119
9
119
78
78
78
78
ICC
—
—
A
550/551
540/541
530/531
520/521
2.80 GHz (PRB = 0)
ICC Stop-Grant
570/571
560/561
550
3.80 GHZ (PRB = 1)
3.60 GHz (PRB = 1)
3.40 GHz (PRB = 1)
3.40 GHz (PRB = 0)
3.20 GHz (PRB = 0)
3 GHz (PRB = 0)
56
56
56
40
40
40
40
ISGNT
10, 11, 15
—
—
A
550/551
540/541
530/531
520/521
2.80 GHz (PRB = 0)
ICC Enhanced Auto Halt
3.80 GHZ (PRB = 1)
3.60 GHz (PRB = 1)
3.40 GHz (PRB = 0)
3.20 GHz (PRB = 0)
3 GHz (PRB = 0)
570/571
560/561
550/551
540/541
530/531
520/521
37
37
31
31
40
40
IENHANCED_AUTO_
11, 15
—
—
A
HALT
2.80 GHz (PRB = 0)
12
ITCC
ICC TCC active
—
1.14
—
—
1.20
—
ICC
1.26
580
3.5
A
V
13, 14
VTT
FSB termination voltage (DC+AC specifications)
DC Current that may be drawn from VTT_OUT per pin
FSB termination current
VTT_OUT ICC
ITT
mA
A
15, 16
—
—
Datasheet
25
INTEL [ INTEL ]
