Intel 521 Data Sheet - Page 27
Table 2-9. V, Static and Transient Tolerance for 775_VR_CONFIG_04A Processors
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Electrical Specifications Table 2-9. VCC Static and Transient Tolerance for 775_VR_CONFIG_04A Processors Voltage Deviation from VID Setting (V)1, 2, 3, 4 ICC (A) Maximum Voltage 1.70 mΩ Typical Voltage 1.75 mΩ Minimum Voltage 1.80 mΩ 0 0.000 -0.025 -0.050 5 -0.009 -0.034 -0.059 10 -0.017 -0.043 -0.068 15 -0.026 -0.051 -0.077 20 -0.034 -0.060 -0.086 25 -0.043 -0.069 -0.095 30 -0.051 -0.078 -0.104 35 -0.060 -0.086 -0.113 40 -0.068 -0.095 -0.122 45 -0.077 -0.104 -0.131 50 -0.085 -0.113 -0.140 55 -0.094 -0.121 -0.149 60 -0.102 -0.130 -0.158 65 -0.111 -0.139 -0.167 70 -0.119 -0.148 -0.176 75 -0.128 -0.156 -0.185 78 -0.133 -0.162 -0.190 NOTES: 1. The loadline specification includes both static and transient limits except for overshoot allowed as shown in Section 2.12. 2. This table is intended to aid in reading discrete points on Figure 2-2. 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) 10.1 Design Guide For Desktop LGA775 Socket for socket loadline guidelines and VR implementation details. 4. Adherence to this loadline specification for the processor is required to ensure reliable processor operation. Datasheet 27