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IMISG745BYB PDF预览

IMISG745BYB

更新时间: 2024-01-24 12:17:26
品牌 Logo 应用领域
其他 - ETC 时钟发生器
页数 文件大小 规格书
13页 192K
描述
CPU System Clock Generator

IMISG745BYB 技术参数

是否Rohs认证: 不符合生命周期:Active
Reach Compliance Code:compliant风险等级:5.82
JESD-30 代码:R-PDSO-G48JESD-609代码:e0
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:2.5,3.3 V认证状态:Not Qualified
子类别:Clock Generators最大压摆率:116 mA
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUALBase Number Matches:1

IMISG745BYB 数据手册

 浏览型号IMISG745BYB的Datasheet PDF文件第2页浏览型号IMISG745BYB的Datasheet PDF文件第3页浏览型号IMISG745BYB的Datasheet PDF文件第4页浏览型号IMISG745BYB的Datasheet PDF文件第5页浏览型号IMISG745BYB的Datasheet PDF文件第6页浏览型号IMISG745BYB的Datasheet PDF文件第7页 
SG745  
I2C Clock Generator for SiS5591/2, or VIA MVP3, 3 DIMM, Socket 7 Designs with AGP Support.  
Approved Product  
FREQUENCY TABLE (MHz)  
PRODUCT FEATURES  
SD  
S2  
S1  
S0  
CPU  
PCI  
AGP  
SDRAM  
®
®
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
60  
66.8  
50  
30  
33.4  
25  
60  
66.8  
50  
60  
66.8  
50  
Supports Pentium , Pentium II, M2,& K6 CPUs.  
Designed to support SiS5591/2 and MVP3 logic.  
4 CPU & 2 (Sync./ Async.) AGP clocks  
Up to 12 SDRAM clocks for 3 DIMMs.  
6 (Sync./ Async.) PCI clocks.  
75  
37.5  
32  
64  
64  
75  
64  
64  
Optional common or mixed supply mode:  
(VDD = VDDPCI = VDDCPU = 3.3V) or  
(VDD = VDDPCI = 3.3V, VDDCPU = 2.5V)  
< 250ps skew among CPU or SDRAM clocks.  
< 250ps skew among PCI clocks.  
I2C 2-Wire serial interface  
Programmable registers featuring:  
- Jumperless frequency selection  
- enable/disable each output pin  
83.3  
90  
32  
64  
64  
30  
60  
60  
100  
33.3  
66.6  
66.6  
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
60  
66.8  
50  
30  
33.4  
25  
60  
66.8  
50  
60  
66.8  
50  
75  
37.5  
32  
64  
75  
75  
64  
75  
83.3  
90  
32  
64  
83.3  
90  
- mode as tri-state, test, or normal  
Power Management Capability.  
48 MHz for USB support  
30  
60  
100  
33.3  
66.6  
100  
Internal Crystal Load Capacitors.  
48-pin SSOP package  
Spread Spectrum Technology for EMI reduction  
CONNECTION DIAGRAM  
BLOCK DIAGRAM  
1
2
3
4
5
6
7
8
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
VDD  
AGP2  
REF1/SD_SEL#  
VSS  
CPU0  
CPU1  
VDDCPU  
CPU2  
CPU3  
VSS  
SDRAM0  
SDRAM1  
VDDSD0  
SDRAM2  
SDRAM3  
VSS  
SDRAM4  
SDRAM5  
VDDSD1  
SDRAM6  
SDRAM7  
VSS  
VDD  
REF0/CS#  
VSS  
XIN  
XOUT  
VDDPCI  
PCI_F/S1  
FCI0/S2  
VSS  
REF  
XIN  
REF0  
REF1  
XOUT  
9
VDDCPU  
SD_Sel# CS#  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
PCI1  
PCI2  
PCI3  
PCI4  
CPU (0:3)  
B
4
S2  
S1  
dly  
PLL1  
PCI (F, 0:4)  
AGP (1:2)  
B
B
6
2
VDDPCI  
AGP1  
VSS  
S0  
SDRAM11  
SDRAM10  
VDDSD2  
SDRAM9  
SDRAM8  
VSS  
MODE  
B
SDRAM(0:11)  
12  
48MHZ/S0  
24 MHZ/MODE  
SDATA  
SCLK  
SDATA  
SCLK  
48 MHz  
24 MHz  
PLL2  
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.  
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571  
Rev.1.7  
8/14/98  
Page 1 of 13  

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