Intel 521 Data Sheet - Page 25

Table 2-8. Voltage and Current Specifications Sheet 1 of 2 - 520

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

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