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ICS952004AF PDF预览

ICS952004AF

更新时间: 2024-11-22 09:14:07
品牌 Logo 应用领域
艾迪悌 - IDT 光电二极管
页数 文件大小 规格书
20页 174K
描述
Clock Generator, PDSO48

ICS952004AF 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
Reach Compliance Code:not_compliant风险等级:5.92
JESD-30 代码:R-PDSO-G48JESD-609代码:e0
湿度敏感等级:1端子数量:48
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP48,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH电源:3.3 V
认证状态:Not Qualified子类别:Clock Generators
最大压摆率:280 mA标称供电电压:3.3 V
表面贴装:YES温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
Base Number Matches:1

ICS952004AF 数据手册

 浏览型号ICS952004AF的Datasheet PDF文件第2页浏览型号ICS952004AF的Datasheet PDF文件第3页浏览型号ICS952004AF的Datasheet PDF文件第4页浏览型号ICS952004AF的Datasheet PDF文件第5页浏览型号ICS952004AF的Datasheet PDF文件第6页浏览型号ICS952004AF的Datasheet PDF文件第7页 
Integrated  
Circuit  
ICS952004  
Systems, Inc.  
Programmable Timing Control Hub™ for P4™ processor  
Recommended Application:  
SIS 645/650 style chipsets.  
Pin Configuration  
VDDREF  
**FS0/REF0  
**FS1/REF1  
**FS2/REF2  
GNDREF  
X1  
1
2
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
VDDSD  
SDRAM  
GNDSD  
Output Features:  
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
CPU_STOP#*  
CPUCLKT_1  
CPUCLKC_1  
VDDCPU  
GNDCPU  
CPUCLKT_0  
CPUCLKC_0  
IREF  
GNDA  
VDDA  
SCLK  
SDATA  
PD#*/Vtt_PWRGD  
GNDAGP  
AGPCLK0  
AGPCLK1  
VDDAGP  
VDDA48  
2 - Pairs of differential CPUCLKs (differential current mode)  
1 - SDRAM @ 3.3V  
8 - PCI @3.3V  
X2  
GNDZ  
ZCLK0  
ZCLK1  
2 - AGP @ 3.3V  
2 - ZCLKs @ 3.3V  
1- 48MHz, @3.3V fixed.  
1- 24/48MHz, @3.3V selectable by I2C  
(Default is 24MHz)  
VDDZ  
*PCI_STOP#  
VDDPCI  
**FS3/PCICLK_F0  
**FS4/PCICLK_F1  
PCICLK0  
PCICLK1  
GNDPCI  
3- REF @3.3V, 14.318MHz.  
VDDPCI  
PCICLK2  
PCICLK3  
PCICLK4  
PCICLK5  
GNDPCI  
Features/Benefits:  
48MHz  
24_48MHz/MULTISEL*  
Selectable asynchronous/synchronous AGP, ZCLK and  
PCI outputs  
GND48  
Programmable output frequency, divider ratios, output rise/  
falltime, output skew.  
48-Pin 300-mil SSOP  
Programmable spread percentage for EMI control.  
Watchdog timer technology to reset system  
if system malfunctions.  
* These inputs have a 120K pull up to VDD.  
** These inputs have a 120K pull down to GND.  
Programmable watch dog safe frequency.  
Support I2C Index read/write and block read/write  
operations.  
Block Diagram  
PLL2  
48MHz  
For PC133 SDRAM system use the ICS9179-16 as the  
memory buffer.  
For DDR SDRAM system use the ICS93705 or  
ICS93722 as the memory buffer.  
Uses external 14.318MHz crystal.  
24_48MHz  
/ 2  
X1  
X2  
XTAL  
OSC  
REF (1:0)  
2
Key Specifications:  
PLL1  
Spread  
Spectrum  
CPU  
DIVDER  
CPUCLKT (1:0)  
CPUCLKC (1:0)  
Stop  
2
PCI - PCI output skew: < 500ps  
CPU - SDRAM output skew: < 1ns  
AGP - AGP output skew: <150ps  
2
ZCLK  
DIVDER  
ZCLK (1:0)  
Functionality  
2
6
Control  
Logic  
Bit 2 Bit 7 Bit 6 Bit 5 Bit 4 CPU SDRAM ZCLK  
AGP  
PCI  
SDATA  
SCLK  
FS (4:0)  
PCI  
DIVDER  
Stop  
PCICLK (9:0)  
PCICLK_F (1:0)  
AGP (1:0)  
FS4 FS3 FS2 FS1 FS0 (MHz) (MHz) (MHz) (MHz)  
(MHz)  
33.33  
33.33  
33.33  
33.33  
30.00  
31.25  
33.33  
33.33  
33.33  
31.25  
41.67  
33.33  
33.33  
31.67  
31.67  
25.00  
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
66.67 66.67 66.67 66.67  
100.00 100.00 66.67 66.67  
100.00 200.00 66.67 66.67  
100.00 133.33 66.67 66.67  
100.00 150.00 60.00 60.00  
100.00 125.00 62.50 62.50  
100.00 160.00 66.67 66.67  
100.00 133.33 80.00 66.67  
100.00 200.00 66.67 66.67  
100.00 166.67 62.50 62.50  
100.00 166.67 71.43 83.33  
80.00 133.33 66.67 66.67  
80.00 133.33 66.67 66.67  
95.00 95.00 63.33 63.33  
95.00 126.67 63.33 63.33  
66.67 66.67 50.00 50.00  
2
2
PD#  
AGP  
DIVDER  
PCI_STOP#  
CPU_STOP#  
MULTISEL  
PD#/Vtt_PWRGD  
Config.  
Reg.  
SDRAM  
DIVDER  
SDRAM  
I REF  
Power Groups  
VDDCPU = CPU  
VDDPCI = PCICLK_F, PCICLK  
VDDSD = SDRAM  
AVDD48 = 48MHz, 24MHz, fixed PLL  
AVDD = Analog Core PLL  
VDDAGP= AGP  
VDDREF = Xtal, REF  
VDDZ = ZCLK  
Note: For additional margin testing frequencies, refer to Byte 4  
0489D—05/05/05  

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