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Intel E6540 HH80557PJ0534M User Manual

Product codes
HH80557PJ0534M
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Page of 122
Datasheet
25
Electrical Specifications
NOTES:
1.
The loadline specification includes both static and transient limits except for overshoot 
allowed as shown in 
.
2.
This loadline specification shows the deviation from the VID set point.
3.
The loadlines specify voltage limits at the die measured at the VCC_SENSE and 
VSS_SENSE lands. Voltage regulation feedback for voltage regulator circuits must be taken 
from processor VCC and VSS lands. Refer to the Voltage Regulator-Down (VRD) 11.0 
Processor Power Delivery Design Guidelines For Desktop LGA775 Socket for socket loadline 
guidelines and VR implementation details.
2.6.3
V
CC
 Overshoot
The processor can tolerate short transient overshoot events where V
CC
 exceeds the VID 
voltage when transitioning from a high to low current load condition. This overshoot 
cannot exceed VID + V
OS_MAX
 (V
OS_MAX
 is the maximum allowable overshoot voltage). 
The time duration of the overshoot event must not exceed T
OS_MAX
 (T
OS_MAX
 is the 
maximum allowable time duration above VID). These specifications apply to the 
processor die voltage as measured across the VCC_SENSE and VSS_SENSE lands.
Figure 2.
V
CC
 Static and Transient Tolerance for Processors with 2 MB L2 Cache
 
VID -  0.000
VID -  0.013
VID -  0.025
VID -  0.038
VID -  0.050
VID -  0.063
VID -  0.075
VID -  0.088
VID -  0.100
VID -  0.113
VID -  0.125
VID -  0.138
VID -  0.150
VID -  0.163
VID -  0.175
0
10
20
30
40
50
60
70
Icc [A]
Vcc [V
]
Vcc Maximum
Vcc Typical
Vcc Minimum
Table 8.
V
CC
 Overshoot Specifications
Symbol
Parameter
Min
Max
Unit
Figure
Notes
V
OS_MAX
Magnitude of V
CC
 overshoot above VID
—
50
mV
1
NOTES:
1.
Adherence to these specifications is required to ensure reliable processor operation.
T
OS_MAX
Time duration of V
CC
 overshoot above VID
—
25
μs