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ICS9248YF-163-T PDF预览

ICS9248YF-163-T

更新时间: 2024-09-24 22:09:47
品牌 Logo 应用领域
矽成 - ICSI 晶体外围集成电路光电二极管时钟
页数 文件大小 规格书
14页 299K
描述
AMD - K7⑩ System Clock Chip

ICS9248YF-163-T 数据手册

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ICS9248-163  
Integrated  
Circuit  
Systems, Inc.  
Preliminary Product Preview  
AMD - K7™ System Clock Chip  
Recommended Application:  
VIA KX133 style chipset  
Output Features:  
Pin Configuration  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
VDDREF  
REF0/CPU_STOP*  
GND  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
REF1/FS2*  
GND  
CPUCLK  
GND  
CPUCLKC0  
CPUCLKT0  
VDDA  
PD#*  
SDRAM_OUT  
GND  
SDRAM0  
SDRAM1  
VDDSDR  
SDRAM2  
SDRAM3  
GND  
SDRAM4  
SDRAM5  
VDDSDR  
SDRAM6  
SDRAM7  
VDD48  
1 - Differential pair open drain CPU clocks  
1 - CPU clock @ 3.3V  
13 - SDRAM @ 3.3V  
6 - PCI @3.3V,  
1 - 48MHz, @3.3V fixed.  
1 - 24/48MHz @ 3.3V  
X1  
X2  
VDD  
*MODE/PCICLK_F  
*FS3/PCICLK0  
GND  
*SEL24_48#/PCICLK1  
PCICLK2  
PCICLK3  
PCICLK4  
VDDPCI  
2 - REF @3.3V, 14.318MHz.  
Features:  
Up to 166MHz frequency support  
BUFFER IN  
GND  
Support power management: CPU stop and Power down  
Mode from I2C programming.  
SDRAM11  
SDRAM10  
VDDSDR  
SDRAM9  
SDRAM8  
GND  
Spread spectrum for EMI control  
(
ꢀ.2ꢁ5 center spreadꢂ.  
Uses external 14.318MHz crystal  
SDATA  
SCLK  
48MHz/FS0*  
24/48MHz/FS1*  
48-Pin 300mil SSOP  
*
Internal Pull-up Resistor of 120K to VDD  
Functionality  
Block Diagram  
CPU  
(MHz)  
90.00  
PCICLK  
(MHz)  
30.00  
31.67  
33.67  
34.00  
33.57  
34.33  
35.00  
33.33  
35.67  
36.33  
36.67  
37.00  
37.67  
38.33  
39.00  
33.33  
PLL2  
48MHz  
FS3  
FS2  
FS1  
FS0  
24_48MHz  
/ 2  
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
REF (1:0)  
CPUCLK  
95.00  
X1  
X2  
XTAL  
OSC  
101.00  
102.00  
100.90  
103.00  
105.00  
100.00  
107.00  
109.00  
110.00  
111.00  
113.00  
115.00  
117.00  
133.30  
PLL1  
Spread  
Spectrum  
CPU  
DIVDER  
Stop  
CPUCLKC0  
CPUCLKT0  
SEL24_48#  
PCI  
DIVDER  
PCICLK (4:0)  
PCICLK_F  
Control  
Logic  
SDATA  
SCLK  
FS (3:0)  
Config.  
Reg.  
SDRAM  
DRIVER  
SDRAM (11:0)  
SDRAM_OUT  
PD#  
CPU_STOP#  
BUFFER IN  
PRODUCT PREVIEW documents contain information on new  
products in the sampling or preproduction phase of development.  
Characteristic data and other specifications are subject to change  
without notice.  
9248-163 Rev A 9/22/00  
Third party brands and names are the property of their respective owners.  

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