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ICS9248YF-96LF-T PDF预览

ICS9248YF-96LF-T

更新时间： 2024-11-13 04:44:23
品牌 Logo 应用领域
矽成 - ICSI /
页数 文件大小 规格书
12页 196K
描述
Frequency Generator & Integrated Buffers for Celeron & PII/III⑩

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中文翻译

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ICS9248YF-96LF-T 数据手册

 浏览型号ICS9248YF-96LF-T的Datasheet PDF文件第2页浏览型号ICS9248YF-96LF-T的Datasheet PDF文件第3页浏览型号ICS9248YF-96LF-T的Datasheet PDF文件第4页浏览型号ICS9248YF-96LF-T的Datasheet PDF文件第5页浏览型号ICS9248YF-96LF-T的Datasheet PDF文件第6页浏览型号ICS9248YF-96LF-T的Datasheet PDF文件第7页 
ICS9248-96  
Integrated  
Circuit  
Systems, Inc.  
Frequency Generator & Integrated Buffers for Celeron & PII/III™  
Recommended Application:  
810/810E type chipset.  
Pin Configuration  
Output Features:  
•
•
2- CPUs @ 2.5V, up to 166.5MHz.  
9 - SDRAM @ 3.3V, up to 155MHz including  
1 free running  
•
•
•
•
•
•
8 - PCICLK @ 3.3V  
1 - IOAPIC @ 2.5V,  
2 - 3V66MHz @ 3.3V, 2X PCI MHz  
2 - 48MHz, @ 3.3V fixed.  
1 - 24/48MHz, @3.3V selectable by I2C  
1 - REF @v3.3V, 14.318MHz.  
Features:  
•
•
Up to 166.5MHz frequency support  
Support FS0-FS3 strapping status bit for I2C read  
back.  
•
Support power management: Through Power down  
Mode from I2C programming.  
•
•
Spread spectrum for EMI control ( ± 0.25% center).  
Uses external 14.318MHz crystal  
48-Pin 300mil SSOP  
Skew Specifications:  
* These inputs have a 120K pull up to VDD.  
** 60K pull-up to VDD on indicated input  
1 These are double strength.  
•
•
•
•
•
•
CPU – CPU: <175ps  
SDRAM - SDRAM: < 250ps  
3V66 – 3V66: <175ps  
PCI – PCI: <500ps  
CPU-SDRAM<500ps  
For group skew specifications, please refer to group  
timing relationship table.  
Block Diagram  
Functionality  
IOAPIC  
1=PCICLK/2  
(MHz)  
IOAPIC  
0=PCICLK  
(MHz)  
CPU  
(MHz)  
SDRAM  
(MHz)  
3V66  
(MHz)  
PCICLK  
(MHz)  
FS3 FS2 FS1 FS0  
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
66.80 100.20 66.80 33.40  
68.00 102.00 68.00 34.00  
100.30 100.30 66.87 33.43  
103.00 103.00 68.67 34.33  
133.73 100.30 66.87 33.43  
145.00 108.75 72.50 36.25  
133.73 100.30 66.87 33.43  
137.33 103.00 68.67 34.33  
140.00 105.00 70.00 35.00  
140.00 140.00 93.33 46.67  
118.00 118.00 78.67 39.33  
124.00 124.00 82.67 41.33  
133.70 133.70 89.13 44.57  
137.00 137.00 91.33 45.67  
150.00 112.50 75.00 37.50  
72.50 108.75 72.50 36.25  
16.70  
17.00  
16.72  
17.17  
16.72  
18.13  
16.72  
17.17  
17.50  
23.33  
19.67  
20.67  
22.28  
22.83  
18.75  
18.13  
33.40  
34.00  
33.43  
34.33  
33.43  
36.25  
33.43  
34.33  
35.00  
46.67  
39.33  
41.33  
44.57  
45.67  
37.50  
36.25  
Additional frequencies selectable through I2C  
programming.  
0311D—04/23/04  
1234567...12

中文翻译

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