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參數(shù)資料
| 型號： | Pentium III cpu with mobile |
| 廠商： | Intel Corp. |
| 英文描述： | Pentium III processor Mobile Module Connector 2 (MMC-2)(帶移動模塊連接器2奔III處理器) |
| 中文描述： | 奔騰III處理器的移動模塊連接器2（絲裂霉素2）（帶移動模塊連接器2奔三處理器） |
| 文件頁數(shù)： | 39/64頁 |
| 文件大?。?/td> | 773K |
| 代理商： | PENTIUM III CPU WITH MOBILE |
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Pentium
III Processor Mobile Module MMC-2
245304-003
Datasheet
33
2.
The Rise Time and Fall Time of VR_ON must be less than or equal to 1.0
μ
S.
3.
VR_ON has its V
IL (max)
= +0.4V and V
IH (min)
= +3.0V.
4.
The VR_PWRGD will get asserted to logic high (3.3V) after V_CORE is stabilized and V_DC
reaches 7.5V. This signal should not and can not be pulled up by the system electronics.
5.
In the power-on process, Intel recommends to raise the higher voltage power plane first
(V_DC), followed by the lower power planes (V_5, V_3), and finally assert VR_ON after
above voltage levels are met on all rails. For powering off, follow the reverse process, i.e.
VR_ON gets deasserted, followed by the lower power planes, and finally the higher power
planes.
6.
VR_ON must monotonically rise through its V
IL
to V
IH
and fall through its V
IH
to V
IL
points.
The sign of slope can not change between V
IL
and V
IH
in rising and V
IH
and V
IL
in falling.
7.
VR_ON must provide an instantaneous in-rush current to the mobile module with the
following values as listed in
Table 23
.
8.
VR_ON Valid-Low Time specifies how long VR_ON needs to be low for a valid off, before
VR_ON can be turned back on again. In going from a valid on to off and then back on, the
following conditions must be met to prevent damage to the OEM system or the mobile
module:
VR_ON must be low for 1.0 mS.
The original voltage level requirements for turn-on must be met before assertion of
VR_ON (i.e. V_DC
≥
7.5V, V_5
≥
4.5V, and V_3
≥
3.0V).
Table 23. VR_ON In-rush Current
Instantaneous
DC Operating
Maximum
41.0 mA
0.1
μ
A
Typical
0.2 mA
0.0
μ
A
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