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ICS952801FT

更新时间: 2024-11-11 14:51:23
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
22页 191K
描述
Clock Generator

ICS952801FT 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:,Reach Compliance Code:unknown
风险等级:5.92Base Number Matches:1

ICS952801FT 数据手册

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Integrated  
Circuit  
Systems, Inc.  
ICS952801  
Advance Information  
Programmable Timing Control Hub™ for K8™ processor  
Recommended Application:  
SiS755/760 style chipset for AMD K8 Processor  
Features/Benefits:  
QuadRomTM frequency selection.  
Output Features:  
Selectable synchronous/asynchronous AGP/PCI/ZCLK  
frequency  
2 - Pairs of differential push-pull K8CPU outputs  
8 - PCICLK @ 3.3V  
Linear Programmable CPU output frequency.  
Linear Programmable AGP/PCI output frequency.  
Programmable output divider ratios.  
2 - AGPCLK @ 3.3V  
3 - REF @ 3.3V  
2 - ZCLK @ 3.3V  
Programmable output rise/fall time.  
1 - 24_48MHz @ 3.3V  
1 - 48MHz @ 3.3V  
Programmable output skew.  
Programmable spread percentage for EMI control.  
Key Specifications:  
Watchdog timer technology to reset system if system  
malfunctions.  
CPU Output Jitter <250ps  
AGP Output Jitter <250ps  
ZCLK Output Jitter <250ps  
PCI Output Jitter <500ps  
Programmable watch dog safe frequency.  
Support I2C Index read/write and block read/write  
operations.  
Uses external 14.318MHz referience input.  
Pin Configuration  
Functionality  
Bit4 Bit3 Bit2 Bit1 Bit0  
CPU  
MHz  
200.00 66.67  
200.00 100.00 66.67  
200.00 133.33 66.67  
200.00 166.67 66.67  
233.33 66.67  
233.33 93.33  
ZCLK  
MHz  
AGP  
MHz  
66.67  
PCI  
MHz  
VDDREF 1  
**FS0/REF0 2  
**FS1/REF1 3  
**FS2/REF2 4  
GNDREF 5  
X1 6  
48 CPU_STOP#*  
47 GNDCPU  
FS4  
0
FS3  
0
FS2  
0
FS1  
0
FS0  
0
33.33  
33.33  
33.33  
33.33  
33.33  
33.33  
33.33  
35.00  
33.33  
33.33  
33.33  
33.33  
36.66  
36.66  
36.66  
36.66  
33.33  
33.33  
33.33  
33.33  
33.33  
33.33  
33.33  
33.33  
46 CPUCLK8T1  
45 CPUCLK8C1  
0
0
0
0
1
0
0
0
1
0
VDDCPU  
44  
0
0
0
1
1
43 VDDCPU  
0
0
1
0
0
66.67  
66.67  
X2 7  
42 CPUCLK8T0  
41 CPUCLK8C0  
0
0
1
0
1
GNDZ 8  
0
0
1
1
0
233.33 133.33 66.67  
233.33 175.00 70.00  
GNDCPU  
AGND  
ZCLK0 9  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
0
0
1
1
1
ZCLK1 10  
0
1
0
0
0
266.67 66.67  
66.67  
AVDD  
VDDZ 11  
0
1
0
0
1
266.67 106.67 66.67  
266.67 133.33 66.67  
266.67 160.00 66.67  
PD#*  
*PCI_STOP# 12  
**FS3/PCICLK_F0 13  
**FS4/PCICLK_F1 14  
VDDPCI 15  
GNDPCI 16  
PCICLK0 17  
PCICLK1 18  
PCICLK2 19  
PCICLK3 20  
PCICLK4 21  
PCICLK5 22  
GNDPCI 23  
VDDPCI 24  
0
1
0
1
0
GNDAGP  
AGPCLK0  
AGPCLK1  
VDDAGP  
SCLK  
0
1
0
1
1
0
1
1
0
0
293.34 73.34  
73.33  
0
1
1
0
1
293.34 117.34 73.33  
293.34 146.66 73.33  
293.34 176.00 73.33  
0
1
1
1
0
0
1
1
1
1
AVDD48  
48MHz  
133.33 66.67  
66.67  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
133.33 100.00 66.67  
133.33 133.33 66.67  
133.33 166.67 66.67  
24_48MHz/SEL24_48MHz*  
GND48  
SDATA  
66.67  
66.67  
166.67  
166.67  
166.67  
166.67  
100.00 66.67  
133.33 66.67  
166.67 66.67  
26 PCICLK7  
25 PCICLK6  
48-SSOP  
202.00 67.34  
67.33  
33.66  
33.66  
33.66  
33.66  
36.66  
36.66  
36.66  
36.66  
* Internal Pull-Up Resistor  
202.00 101.00 67.33  
202.00 134.66 67.33  
202.00 168.34 67.33  
** Internal Pull-Down Resistor  
220.00 73.34  
73.33  
220.00 110.00 73.33  
220.00 146.66 73.33  
220.00 183.34 73.33  
1
1
1
1
1
1
1
1
0
1
0719—01/22/03  
ADVANCE INFORMATION documents contain information on products in the formative or design phase development. Characteristic data and other specifications are design goals.  
ICS reserves the right to change or discontinue these products without notice. Third party brands and names are the property of their respective owners.  

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