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CY28349BOXC

更新时间: 2024-02-21 00:54:43
品牌 Logo 应用领域
赛普拉斯 - CYPRESS /
页数 文件大小 规格书
21页 306K
描述
FTG for Intel㈢ Pentium㈢ 4 CPU and Chipsets

CY28349BOXC 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SSOP包装说明:SSOP, SSOP48,.4
针数:48Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.48JESD-30 代码:R-PDSO-G48
JESD-609代码:e4长度:15.875 mm
湿度敏感等级:3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封装等效代码:SSOP48,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:3.3 V
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子类别:Clock Generators
最大压摆率:250 mA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端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:20
宽度:7.5057 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, PROCESSOR SPECIFIC
Base Number Matches:1

CY28349BOXC 数据手册

 浏览型号CY28349BOXC的Datasheet PDF文件第2页浏览型号CY28349BOXC的Datasheet PDF文件第3页浏览型号CY28349BOXC的Datasheet PDF文件第4页浏览型号CY28349BOXC的Datasheet PDF文件第5页浏览型号CY28349BOXC的Datasheet PDF文件第6页浏览型号CY28349BOXC的Datasheet PDF文件第7页 
CY28349B  
FTGforIntel®Pentium®4CPUandChipsets  
Features  
• Compatible to Intel® CK-Titan and CK-408 Clock  
• Support SMBus byte read/write and block read/ write  
operations to simplify system BIOS development  
Synthesizer/driver specifications  
• System frequency synthesizer for Intel Brookdale 845  
and Brookdale – G Pentium® 4 chipsets  
• Vendor ID and Revision ID support  
• Programmable drive strength support  
• Programmable output skew support  
• Power management control inputs  
• Available in 48-pin SSOP  
• Programmable clock output frequency with less than  
1-MHz increment  
• Integrated fail-safe Watchdog timer for system  
recovery  
• Automaticallyswitchtohardware-selectedorsoftware-  
CPU  
x 3  
3V66  
x 4  
PCI  
x 10  
REF  
x 2  
48M  
x 1  
24_48M  
x 1  
programmed clock frequency when w timer time-out  
• Fixed 3V66 and PCI output frequency mode.  
• Capable of generating system RESET after a Watchdog  
timer time-out occurs or a change in output frequency  
via SMBus interface  
Pin Configuration[1]  
Block Diagram  
VDD_REF  
REF0:1  
X1  
X2  
XTAL  
OSC  
PLL Ref Freq  
*MULTSEL1/REF1  
CPU0:1, CPU0:1#,  
1
48  
REF0/MULTSEL0*  
GND_REF  
VDD_CPU  
CPU_ITP  
CPU_ITP#  
GND_CPU  
PWR_DWN#  
CPU0  
Divider  
VDD_CPU  
PLL 1  
Network  
VDD_REF  
X1  
2
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
3
CPU_ITP, CPU_ITP#  
4
*FS0:4  
X2  
VTT_PWRGD#  
5
GND_PCI  
*FS2/PCI_F0  
*FS3/PCI_F1  
PCI_F2  
6
*MULTSEL0:1  
7
8
9
VDD_PCI  
*FS4/PCI0  
PCI1  
CPU0#  
VDD_3V66  
3V66_0:2  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
VDD_CPU  
CPU1  
PCI2  
CPU1#  
PWR_DWN#  
GND_PCI  
PCI3  
GND_CPU  
IREF  
VDD_PCI  
PCI_F0:2  
PCI4  
VDD_CORE  
GND_CORE  
VDD_3V66  
3V66_0  
PCI0:6  
VDD_48MHz  
PCI5  
PCI6  
3V66_3/48MHz_1  
VDD_PCI  
VTT_PWRGD#  
RST#  
3V66_1  
VDD_48MHz  
48MHz_0  
GND_3V66  
3V66_2  
PLL2  
GND_48MHz  
*FS0/48MHz_0  
*FS1/24_48MHz  
VDD_48MHz  
3V66_3/48MHz_1  
SCLK  
24_48MHz  
RST#  
2
SDATA  
SDATA  
SCLK  
SMBus  
Logic  
SSOP-48  
Note:  
1. Signals marked with ‘*’ and “^” have internal pull-up and pull-down resistors, respectively.  
Cypress Semiconductor Corporation  
3901 North First Street  
San Jose, CA 95134  
408-943-2600  
Document #: 38-07454 Rev. *B  
Revised March 14, 2005  

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