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參數資料
| 型號： | ICS950401 |
| 英文描述： | AMD - K8TM System Clock Chip |
| 中文描述： | AMD公司- K8TM系統時鐘芯片 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 108K |
| 代理商： | ICS950401 |
Integrated
Circuit
Systems, Inc.
ICS950401
0499C—11/01/04
Block Diagram
Functionality
Pin Configuration
Recommended Application:
AMD K8 Systems
Output Features:
2 - Differential pair push-pull CPU clocks @ 3.3V
7 - PCI (Including 1 free running) @3.3V
3 - Selectable HT/PCI 66/33MHz @3.3V
1 - 48MHz, @3.3V fixed.
1 - 24/48MHz @ 3.3V
3 - REF @3.3V, 14.318MHz.
Features:
Up to 220MHz frequency support
Support power management: PCI stop and stop
clocks controlled by I
2
C.
Spread spectrum for EMI reduction
Uses external 14.318MHz crystal
I
2
C programmability features
Supports Hypes transport technology (HT66 output).
AMD - K8
System Clock Chip
*FS0/REF0 1
VDDREF 2
48
REF1/FS1*
47
GND
46
VDDREF
45
REF2/FS2*
44
SPREAD*
43
VDDA
42
GNDA
41
CPUCLKT0
40
CPUCLKC0
39
GND
38
VDDCPU
37
CPUCLKT1
36
CPUCLKC1
35
VDD
34
GND
33
GNDA
32
VDDA
31
48MHz
30
GND
29
VDD
28
24_48MHz/Sel24_48#*
27
GND
26
SDATA
25
SCLK
X1 3
X2 4
GND 5
*PCI33/HT66SEL# 6
PCICLK33/HT66_0 7
PCICLK33/HT66_1 8
VDDPCI 9
GND 10
PCICLK33/HT66_2 11
NC 12
PCICLK0 13
PCICLK1 14
GND 15
VDDPCI 16
PCICLK2 17
PCICLK3 18
VDDPCI 19
GND 20
PCICLK4 21
PCICLK5 22
PCICLK_F 23
*PCI_STOP# 24
48-SSOP/ TSSOP
* Internal Pull-Up Resistor
** Internal Pull-Down Resistor
I
FS2
FS1
FS0
PCI33_HT66
SEL#
X
0
1
X
X
X
X
X
X
CPU
PCI33
PCI33_HT66
COMMENTS
0
0
0
0
0
1
1
1
1
0
0
0
1
1
0
0
1
1
0
1
1
0
1
0
1
0
1
Hi-Z
X
X
180.00
220.00
100.00
133.33
166.66
200.00
Hi-Z
X/6
X/6
30.00
36.56
33.33
33.33
33.33
33.33
Hi-Z
X/3
X/6
60.00
73.12
Tri-State Mode
Bypass Mode
Bypass Mode
10% under-clk
10% over-clk
Athlon Compatible
Athlon Compatible
Reserved
Hammer Operation
33.33/66.66
33.33/66.66
33.33/66.66
33.33/66.66
PLL2
PLL1
Spread
Spectrum
PCICLK (5:0)
CPUCLKT (1:0)
CPUCLKC (1:0)
X1
X2
XTAL
OSC
CPU
DIVDER
PCI
DIVDER
Stop
Stop
SDATA
SCLK
FS (2:0)
SPREAD
24_48SEL#
PCI33/HT66SEL#
PCI_STOP#
Control
Logic
REF (2:0)
48MHz
24_48MHz
/ 2
PCICLK_F
PCICLK33/HT66(2:0)
X 2
Config.
Reg.
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相關代理商/技術參數 |
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| ICS950402YGLF-T | 制造商:ICS 制造商全稱:ICS 功能描述:AMD - K8 System Clock Chip |
| ICS950403 | 制造商:ICS 制造商全稱:ICS 功能描述:AMD - K8? System Clock Chip |
| ICS950405 | 制造商:ICS 制造商全稱:ICS 功能描述:AMD - K8 System Clock Chip |
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