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9248BF-102LF PDF预览

9248BF-102LF

更新时间: 2024-11-29 18:47:47
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
10页 262K
描述
Clock Generator

9248BF-102LF 技术参数

是否Rohs认证: 符合生命周期:Obsolete
Reach Compliance Code:unknown风险等级:5.84
JESD-609代码:e3湿度敏感等级:1
端子面层:Matte Tin (Sn) - annealedBase Number Matches:1

9248BF-102LF 数据手册

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ICS9248-102  
Integrated  
Circuit  
Systems, Inc.  
Frequency Generator & Integrated Buffers for Celeron & PII/III™ & K6  
Recommended Application:  
Pin Configuration  
Motherboard Single chip clock solution for Pentium II/III and  
K6 processors, using SIS540/SIS630 style chipset  
Output Features:  
3- CPUs @ 2.5/3.3V, up to 166MHz.  
14 - SDRAM @ 3.3V, up to166MHz.  
7- PCI @3.3V,  
1- 48MHz, @3.3V fixed.  
1- 24/48MHz, @3.3V selectable by I2C  
(Default is 24MHz).  
2- REF @3.3V, 14.318MHz.  
Features:  
Up to 166MHz frequency support  
Support FS0-FS3 trapping status bit for I2C read back.  
Support power management: CPU, PCI, SDRAM stop  
and Power down Mode from I2C programming.  
Spread spectrum for EMI control (0 to -0.5%, ± 0.25%).  
48-Pin 300mil SSOP  
* These inputs have a 120K pull down to GND.  
1 These are double strength.  
FS0, FS1, FS3 must have a internal 120K pull-Down  
to GND.  
Uses external 14.318MHz crystal  
Skew Specifications:  
CPU - CPU: < 175ps  
SDRAM - SDRAM < 250ps  
PCI - PCI: < 500ps  
CPU - SDRAM: < 500ps  
CPU (early) - PCI: 1-4ns (typ. 2ns)  
Block Diagram  
Functionality  
CPU  
(MHz)  
66.82  
100.23  
150.34  
133.64  
66.82  
100.23  
100.23  
133.64  
66.82  
83.33  
90.00  
95.00  
95.00  
112.01  
166.00  
166.00 166.50  
SDRAM PCICLK  
REF  
FS3 FS2 FS1 FS0  
(MHz)  
100.20  
100.00  
100.00  
100.00  
133.00  
133.33  
150.00  
133.10  
66.75  
(MHz)  
33.41  
33.41  
37.59  
33.41  
33.41  
33.41  
37.59  
33.41  
33.41  
27.78  
30.00  
31.67  
31.67  
37.34  
27.67  
27.67  
(MHz)  
14.318  
14.318  
14.318  
14.318  
14.318  
14.318  
14.318  
14.318  
14.318  
14.318  
14.318  
14.318  
14.318  
14.318  
14.318  
14.318  
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
83.30  
90.00  
95.00  
126.67  
112.00  
111.00  
0317A—03/20/02  

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