参数资料
型号: RK80532PG072512
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 2800 MHz, MICROPROCESSOR, PGA478
封装: FLIP CHIP, MICRO, PGA-478
文件页数: 24/79页
文件大小: 2634K
代理商: RK80532PG072512
30
Intel Pentium 4 Processor on 90 nm Process Datasheet
Electrical Specifications
2.11
VCC Overshoot Specification
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 (VOS_MAX is the maximum allowable overshoot voltage). The time duration of the
overshoot event must not exceed T
OS
_MAX (TOS_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 pins.
NOTES:
1. VOS is measured overshoot voltage.
2. TOS is measured time duration above VID.
2.11.1
Die Voltage Validation
Overshoot events from application testing on real processors must meet the specifications in
Table 19 when measured across the VCC_SENSE and VSS_SENSE pins. 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.
Table 19. VCC Overshoot Specifications
Symbol
Parameter
Min
Typ
Max
Unit
Figure
Notes
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
s
Figure 4. VCC Overshoot Example Waveform
Time
Example Overshoot Waveform
Vol
tag
e
(
V
)
VID
VID + 0.050
T
OS
V
OS
T
OS: Overshoot time above VID
V
OS: Overshoot above VID
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