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W42S51-01H PDF预览

W42S51-01H

更新时间: 2024-11-05 20:39:19
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 光电二极管
页数 文件大小 规格书
18页 193K
描述
Clock Generator, CMOS, PDSO48, 0.300 INCH, SSOP-48

W42S51-01H 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SSOP针数:48
Reach Compliance Code:unknown风险等级:5.88
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:350 mA
表面贴装:YES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:DUAL
Base Number Matches:1

W42S51-01H 数据手册

 浏览型号W42S51-01H的Datasheet PDF文件第2页浏览型号W42S51-01H的Datasheet PDF文件第3页浏览型号W42S51-01H的Datasheet PDF文件第4页浏览型号W42S51-01H的Datasheet PDF文件第5页浏览型号W42S51-01H的Datasheet PDF文件第6页浏览型号W42S51-01H的Datasheet PDF文件第7页 
W42S51-01  
3 DIMM Desktop System Clock  
Features  
• Maximized EMI suppression using IC WORKS’ Spread  
Spectrum Technology  
• Separate supply pins for CPU and IOAPIC output buffers:  
VDDQ2 = 2.5V ± 5%  
• Generates system clocks for 2.5/3.3V based designs:  
VDDQ3 = 3.3V ± 5%  
- 4 CPU clocks with 2.5V output swing  
- 12 SDRAM clocks; supports up to 3DIMM modules  
- 7 PCI clocks  
• No power supply sequence requirements  
• Uses external 14.318MHz crystal  
• Available in 48-pin SSOP (300 mils)  
- 2 IOAPIC clock: supports dual processor applications  
• One copy of Ref. Clock @ 14.31818MHz  
• Serial data interface (SDATA, SCLOCK inputs) provides  
additional CPU/PCI clock frequency selections, individual  
output clock disabling and other functions  
Figure 1 Block Diagram  
Figure 2 Pin Diagram  
VDDQ3  
REF0  
GND  
X1  
X2  
VDDQ3  
PCI_F  
PCI0  
GND  
PCI1  
PCI2  
PCI3  
PCI4  
VDDQ3  
PCI5  
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  
VDDQ2  
SDATA  
SCLOCK  
VDDQ3  
REF0  
IOAPIC0  
IOAPIC1  
GND  
CPU0  
CPU1  
VDDQ2  
CPU2  
CPU3  
GND  
SDRAM0  
SDRAM1  
VDDQ3  
SDRAM2  
SDRAM3  
GND  
SDRAM4  
SDRAM5/PWR_DWN#  
VDDQ3  
SDRAM6/CPU_STOP#  
SDRAM7/PCI_STOP#  
GND  
Serial Port  
Device Control  
VDDQ2  
IOAPIC0-1  
XTAL  
OSC  
X1  
X2  
2
4
PLL Ref Freq  
Stop  
Clock  
9
CPU0-3  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
VDDQ3  
12  
SDRAM0-11  
PLL  
GND  
PCI_F  
PCI0-5  
SDRAM11  
SDRAM10  
VDDQ3  
SDRAM9  
SDRAM8  
GND  
÷2  
6
Stop  
Clock  
OE  
I/O Control  
MODE  
SDATA  
SCLOCK  
OE  
MODE  
Table 2 Order Information  
Table 1 Power-Up Frequency Selection  
Freq. Mask  
CPU, SDRAM  
Clocks (MHz)  
PCI Clocks  
(MHz)  
Part Number  
Code  
Package  
H = SSOP (300 mils)  
OE  
W42S51  
01  
0
1
Hi-Z  
66.6  
Hi-Z  
33.3  
October 1998  
IC WORKS · 3725 North First Street · San Jose, CA 95134-1700 · (408) 922-0202  
IC WORKS DOCUMENT CONTROL : FDS-016 : REV 0  
Page 1 of 18  

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