521 datasheet(28/96 Pages) INTEL

Part #	521

Description	Pentium 4 Processors Supporting Hyper-Threading Technology

PDF	96 Pages

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Manufacturer	INTEL [Intel Corporation]

Direct Link	http://www.intel.com

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28 / 96 page

Datasheet

Electrical Specifications

NOTES:

1. The loadline specification includes both static and transient limits except for overshoot allowed as shown in Section 2.12.

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) 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.

Figure 2-2. VCC Static and Transient Tolerance for 775_VR_CONFIG_04A

VID - 0.000

VID - 0.025

VID - 0.050

VID - 0.075

VID - 0.100

VID - 0.125

VID - 0.150

VID - 0.175

VID - 0.200

10203040

506070

Icc [A]

Vcc Maximum

Vcc Typical

Vcc Minimum

521 Datasheet(PDF) 28 Page - Intel Corporation