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參數(shù)資料
| 型號： | MPM22CUC450B |
| 廠商： | INTEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 450 MHz, MICROPROCESSOR, XMA |
| 封裝： | MMC-2 |
| 文件頁數(shù)： | 33/64頁 |
| 文件大?。?/td> | 778K |
| 代理商： | MPM22CUC450B |
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Pentium
III Processor Mobile Module MMC-2
245304-004
Datasheet
33
2. The Rise Time and Fall Time of VR_ON must be less than or equal to 1.0
S.
3. VR_ON has its VIL (max) = +0.4V and VIH (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 VIL to VIH and fall through its VIH to VIL points.
The sign of slope can not change between VIL and VIH in rising and VIH and VIL 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
A
Typical
0.2 mA
0.0
A
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相關(guān)代理商/技術(shù)參數(shù) |
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