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參數(shù)資料
| 型號(hào)： | C9810AYB |
| 元件分類(lèi)： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封裝： | SSOP-48 |
| 文件頁(yè)數(shù)： | 10/15頁(yè) |
| 文件大小： | 332K |
| 代理商： | C9810AYB |
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…when timing is critical
C9810
Low EMI Clock Generator for Intel
810 Chipset for Mobile Applications
Advanced Information
IMI Confidential
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
Rev 0.4
8/31/1999
MILPITAS, CA 95035, USA TEL: 408-263-6300, FAX 408-263-6571
Page 4 of 15
http://www.imicorp.com
Clock Synchronization and Phase Alignment
This device incorporates IOAPIC clock synchronization. With this feature, the IOAPIC clocks are derived from the CPU
clock. The IOAPIC clock lags the CPU clock by the specified 1.5 to 3.5 nSec. Figure 3 shows the relationship between
the CPU and IOAPIC clocks.
Device Clock Phase Relationships
Fig.3
0nS
10nS
20nS
30nS
40nS
66MHz
100MHz
133MHz
CPU CLOCK
SDRAM CLOCK
3V66 CLOCK
PCI CLOCK
100MHz
66MHz
33MHz
CPU CLOCK
1.5~3.5nS
Sync
7.5nS
5nS
2.5nS
IOAPIC CLOCK 33MHz
SDRAM CLOCK 133MHz
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| C9811X2AYB | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:CPU SYSTEM CLOCK GENERATOR|SSOP|56PIN|PLASTIC |
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| C98130-A1231-C30 | 制造商:Siemens 功能描述: |
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