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參數(shù)資料
| 型號： | ICS9248-95 |
| 英文描述： | Frequency Generator & Integrated Buffers for PENTIUM/ProTM |
| 中文描述： | 頻率發(fā)生器 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大?。?/td> | 310K |
| 代理商： | ICS9248-95 |
8
ICS9248-95
310D—04/12/05
CLK_STOP# Timing Diagram
CLK_STOP# is an asychronous input to the clock synthesizer. It is used to turn off the CPU clocks for low power operation.
CLK_STOP# is synchronized by the
ICS9248-95
. The minimum that the CPU clock is enabled (CPU_STOP# high pulse) is 100
CPU clocks. All other clocks will continue to run while the CPU clocks are disabled. The CPU clocks will always be stopped in
a low state and start in such a manner that guarantees the high pulse width is a full pulse. CPU clock on latency is less than 4
CPU clocks and CPU clock off latency is less than 4 CPU clocks.
Notes:
1. All timing is referenced to the internal CPU clock.
2. CLK_STOP# is an asynchronous input and metastable conditions may exist. This signal is synchronized
to the CPU clocks inside the ICS9248-95.
3. IOAPIC output is Stopped Glitch Free by CPUSTOP# going low.
4. SDRAM-F output is controlled by Buffer in signal, not affected by the
ICS9248-95
CLK_STOP# signal. SDRAM (0:11) are controlled as shown.
5. All other clocks continue to run undisturbed.
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| ICS9248-96 | 制造商:ICS 制造商全稱:ICS 功能描述:Frequency Generator & Integrated Buffers for Celeron & PII/III⑩ |
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| ICS9248AF-152T | 制造商:Integrated Device Technology Inc 功能描述:ELECTRONIC COMPONENT |
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