Intel 4 662 HH80547PG1042MH 데이터 시트

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The Pentium 4 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. Consult the Voltage Regulator-Down (VRD) 10.1 Design 
Guide for Desktop LGA775 Socket for proper application of the overshoot specification.

1. V

OS 

is measured overshoot voltage.

2. T

OS

 is measured time duration above VID.

Overshoot events from application testing on real processors must meet the specifications in 

 when measured across the VCC_SENSE and VSS_SENSE lands. Overshoot events that 

are < 10 ns in duration may be ignored. These measurements of processor die level overshoot 
should be taken with a 100 MHz bandwidth limited oscilloscope. Refer to the Voltage Regulator 
Down (VRD) 10.1 Design Guide for Desktop LGA775 Socket for additional voltage regulator 
validation details.

V

OS_MAX

Magnitude of V

CC

 overshoot above VID

—

—

0.050

V

T

OS_MAX

Time duration of V

CC

 overshoot above VID

—

—

25

μs

T

OS

: Overshoot time above VID

V

OS

: Overshoot above VID