335 datasheet(24/82 Pages) INTEL

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Datasheet

Electrical Specifications

The voltage specification requirements are measured across VCC_SENSE and VSS_SENSE pins at the

socket with a 100 MHz bandwidth oscilloscope, 1.5 pF maximum probe capacitance, and 1 M

Ω minimum im-

pedance. The maximum length of ground wire on the probe should be less than 5 mm. Ensure external noise

from the system is not coupled into the oscilloscope probe.

Refer to Table 2-9 and Figure 2-2 for the minimum, typical, and maximum VCC allowed for a given current. The

processor should not be subjected to any VCC and ICC combination wherein VCC exceeds VCC_MAX for a giv-

en current. Moreover, VCC should never exceed the VID voltage. Failure to adhere to this specification can

shorten the processor lifetime.

ICC_MAX is specified at VCC_MAX .

The current specified is also for AutoHALT state.

ICC Stop-Grant and ICC Sleep are specified at VCC_MAX .

The maximum instantaneous current the processor will draw while the thermal control circuit is active as in-

dicated by the assertion of PROCHOT# is the same as the maximum ICC for the processor.

These parameters are based on design characterization and are not tested.

Table 2-9. VCC Static and Transient Tolerance

Icc (A)

Voltage Deviation from VID Setting (V)1,2,3

Maximum Voltage

Typical Voltage

Minimum Voltage

0.000

-0.025

-0.050

-0.007

-0.034

-0.060

-0.015

-0.042

-0.070

-0.022

-0.051

-0.080

-0.029

-0.060

-0.090

-0.036

-0.068

-0.100

-0.044

-0.077

-0.110

-0.051

-0.085

-0.120

-0.058

-0.094

-0.130

-0.065

-0.103

-0.140

-0.073

-0.111

-0.150

-0.080

-0.120

-0.160

-0.087

-0.129

-0.170

-0.094

-0.137

-0.180

-0.102

-0.146

-0.190

-0.106

-0.151

-0.196

NOTES:

The loadline specification includes both static and transient limits except for overshoot allowed as

shown in Section 2.12.

This table is intended to aid in reading discrete points on Figure 2-3.

The loadlines specify voltage limits at the die measured at the VCC_SENSE and VSS_SENSE

pins. Voltage regulation feedback for voltage regulator circuits must be taken from processor VCC

and VSS pins. Refer to the Voltage Regulator-Down (VRD) 10.0 Design Guidelines for Desktop

Socket 478 for socket loadline guidelines and VR implementation details.

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