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CY28378OCT PDF预览

CY28378OCT

更新时间: 2024-02-14 03:49:01
品牌 Logo 应用领域
SPECTRALINEAR 晶体外围集成电路光电二极管时钟
页数 文件大小 规格书
21页 261K
描述
FTG for Pentium 4㈢ and Intel㈢ 845 Series Chipset

CY28378OCT 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:SSOP包装说明:SSOP,
针数:48Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.34Is Samacsys:N
JESD-30 代码:R-PDSO-G48长度:15.875 mm
端子数量:48最高工作温度:70 °C
最低工作温度:最大输出时钟频率:200.4 MHz
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
主时钟/晶体标称频率:14.318 MHz认证状态:Not Qualified
座面最大高度:2.794 mm最大供电电压:3.465 V
最小供电电压:3.135 V标称供电电压:3.3 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
宽度:7.5057 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, PROCESSOR SPECIFIC
Base Number Matches:1

CY28378OCT 数据手册

 浏览型号CY28378OCT的Datasheet PDF文件第2页浏览型号CY28378OCT的Datasheet PDF文件第3页浏览型号CY28378OCT的Datasheet PDF文件第4页浏览型号CY28378OCT的Datasheet PDF文件第5页浏览型号CY28378OCT的Datasheet PDF文件第6页浏览型号CY28378OCT的Datasheet PDF文件第7页 
CY28378  
FTG for Pentium 4® and Intel® 845 Series Chipset  
• Capable of generating system RESET after a Watchdog  
timer time-out or a change in output frequency via  
SMBus interface occurs  
Features  
• Compatible with Intel® CK-Titan and CK-408 Clock  
Synthesizer/Driver specifications  
• Support SMBus byte read/write and block read/ write  
operations to simplify system BIOS development  
• System frequency synthesizer for Intel Brookdale 845  
and Brookdale – G Pentium 4® chipsets  
• Vendor ID and Revision ID support  
• Programmable drive strength support  
• Programmable clock output frequency with less than  
1-MHz increment  
• Programmable output skew support  
• Power management control inputs  
• Available in 48-pin SSOP  
• Integrated fail-safe Watchdog timer for system  
recovery  
• Automatically switch to HW selected or SW  
programmed clock frequency when Watchdog timer  
time-out  
Table 1. Frequency Table  
CPU  
x 3  
3V66  
x 4  
PCI  
REF  
x 2  
48M  
x 1  
24_48M  
x 1  
• Programmable 3V66 and PCI output frequency mode  
x 10  
Pin Configuration[1]  
Block Diagram  
VDD_REF  
X1  
XTAL  
OSC  
REF0:1  
X2  
PLL Ref Freq  
VDD_CPU  
*MULTSEL1/REF1  
1
2
3
4
5
6
7
8
48  
REF0/MULTSEL0**  
GND_REF  
VDD_CPU  
CPU_ITP  
CPU_ITP#  
GND_CPU  
PWRDWN#*  
CPUT0  
Divider  
PLL 1  
CPUT[0:1], CPUC[0:1],  
CPU_ITP, CPU_ITP#  
Network  
VDD_REF  
X1  
X2  
GND_PCI  
*FS2/PCI_F0  
*FS3/PCI_F1  
PCI_F2  
VDD_PCI  
*FS4/PCI0  
PCI1  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
*FS0:4  
VTT_PWRGD#  
*MULTSEL0:1  
VDD_3V66  
3V66_0:2  
9
CPUC0  
Fract.  
Aligner  
PLL2  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
VDD_CPU  
CPUT1  
CPUC1  
GNDC_CPU  
IREF  
VDD_CORE  
GND_CORE  
VDD_3V66  
3V66_0  
3V66_1  
GND_3V66  
3V66_2  
VDD_PCI  
PCI_F0:2  
2
PCI2  
PCI0:6  
GND_PCI  
PCI3  
PCI4  
VDD_48MHz  
3V66_3/48MHz_1  
PCI5  
PCI6  
VDD_48MHz  
48MHz_0  
VDD_PCI  
VTT_PWRGD#  
RESET#  
GND_48MHz  
*FS0/48MHz_0  
PWRDWN#  
24_48MHz  
2
3V66_3/48MHz_1  
SCLK  
SDATA  
*FS1/24_48MHz  
VDD_48MHz  
SDATA  
SCLK  
SMBus  
Logic  
RESET#  
SSOP-48  
Note:  
1. Signals marked with ‘*’ and ‘**’ have internal pull-up and pull-down resistors, respectively.  
Rev 1.0, November 20, 2006  
Page 1 of 21  
2200 Laurelwood Road, Santa Clara, CA 95054  
Tel:(408) 855-0555 Fax:(408) 855-0550  
www.SpectraLinear.com  

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