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C9850AY PDF预览

C9850AY

更新时间: 2024-11-24 21:19:43
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 时钟光电二极管外围集成电路晶体
页数 文件大小 规格书
19页 220K
描述
Processor Specific Clock Generator, 200MHz, CMOS, PDSO56, SSOP-56

C9850AY 技术参数

生命周期:Obsolete零件包装代码:SSOP
包装说明:SSOP, SSOP56,.4针数:56
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
JESD-30 代码:R-PDSO-G56长度:18.415 mm
端子数量:56最高工作温度:70 °C
最低工作温度:最大输出时钟频率:200 MHz
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP56,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH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端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
宽度:7.5 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, PROCESSOR SPECIFIC
Base Number Matches:1

C9850AY 数据手册

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ADVANCED INFORMATION  
C9850  
High Performance Pentium III Clock Generator  
Product Features  
Product Description  
This device is an advanced performance single  
package clock solution for high end Pentium III designs  
using Rambus memory system architectures. It  
provides all of the system motherboard’s clocks  
needed to support the CPU, memory and peripheral  
devices. Included in the frequency table are specific  
+5% margin test frequencies to assist designers in  
verification of adequate timing margins in designs. All  
CPU (Host) clocks are deferential and comply with Intel  
specified timing requirements.  
Four differential host clocks  
Two 3V Mref single ended for DRCG  
Four 3V, 66 MHz clocks  
Ten 3V, 33 MHz PCI clocks  
Two 48 MHz clocks  
Two 14.318 MHz reference clocks  
Select logic for Differential Swing Control, Test  
mode, Hi-Z, Power-down, Spread spectrum, and  
frequency selection  
External resistor for CPU current reference  
56 Pin SSOP and TSSOP Package  
Frequency Selection Table  
SEL 100/133 SELA SELB  
CPU(1:4),  
CPU# (1:4)  
100 MHz  
105 MHz  
200 MHz  
High Z  
3VMRef/  
3VMRef_b  
50 MHz  
3V66  
(0:3)  
66.7 MHz  
70.0 MHz  
66.7 MHz  
High Z  
PCI (0:9)  
48 M (0:1)  
REF (1:2)  
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
33.3 MHz  
35.0 MHz  
33.3 MHz  
High Z  
48 MHz  
48 MHz  
48 MHz  
High Z  
14.318 MHz  
14.318 MHz  
14.318 MHz  
High Z  
52.5 MHz  
50 MHz  
High Z  
133.3 MHz  
126.7 MHz  
200 MHz  
XIN/2  
66.7 MHz  
63.3 MHz  
66.7 MHz  
XIN/4  
66.7 MHz  
63.3 MHz  
66.7 MHz  
XIN/4  
33.3 MHz  
31.7 MHz  
33.3 MHz  
XIN/8  
48 MHz  
48 MHz  
48 MHz  
XIN/2  
14.318 MHz  
14.318 MHz  
14.318 MHz  
XIN  
Block Diagram  
Pin Configuration  
VSSR  
Ref1/MultSel0  
Ref2/MultSel1  
VDDR  
1
2
3
4
5
6
7
8
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
VDDM  
VDDR  
3VMRef  
3VMRef_b  
VSSM  
Spread#  
CPU1  
CPU1#  
VDDC  
CPU2  
CPU2#  
VSSC  
CPU3  
CPU3#  
VDDC  
CPU4  
Sel1  
Sel2  
XIN  
Ref1/MultSel0  
OSC  
XOUT  
XIN  
XOUT  
VSSP  
PCI0  
PCI1  
VDDP  
PCI2  
PCI3  
VSSP  
PCI4  
PCI5  
VDDP  
PCI6  
PCI7  
VSSP  
PCI8  
Ref2/MultSel1  
VSSR  
9
3VMRef  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
3VMRef_b  
I_REF  
Spread#  
VDDC  
CPU(1:4)  
VCO1  
SEL100/133  
PwrDwn#  
CPU#(1:4)  
CPU4#  
VSSC  
I_Ref  
VDD  
VSS  
VSSC  
VDDL  
3V66(0:3)  
VSSL  
VDDP  
PCI9  
VDDP  
VDD  
3V66_0  
3V66_1  
VSS  
PCI (0:9)  
VSSP  
SEL100/133  
VSSU  
48M0/SelA  
48M1/SelB  
VDDU  
VSSL  
VDDU  
VCO2  
3V66_2  
3V66_3  
VDDL  
48M(0:1)/Sel(A:B)  
VSSU  
SELA/B  
PwrDwn#  
2
Cypress Semiconductor Corporation  
http://www.cypress.com  
Document#: 38-07067 Rev. *A  
12/22/2002  
Page 1 of 19  

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