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參數資料
| 型號： | ICS951403 |
| 英文描述： | AMD-K7 System Clock Chip |
| 中文描述： | AMD的k7的系統時鐘芯片 |
| 文件頁數： | 1/18頁 |
| 文件大?。?/td> | 639K |
| 代理商： | ICS951403 |
Integrated
Circuit
Systems, Inc.
ICS951403
0486B—02/23/04
Block Diagram
Functionality
Pin Configuration
48-Pin SSOP & TSSOP
* Internal 120K pullup resistor on indicated inputs
** Internal 240K pullup resistor on indicated inputs
Recommended Application:
ATI chipset with K7 systems
Output Features:
3 differential pair open drain CPU clocks (1.5V
external
pull-up; up to 150MHz achieviable through I
2
C)
2 - AGPCLK @ 3.3V
8 - PCI @3.3V, including 1 free running
1 - 48MHz @ 3.3V
1 - 24/48MHz @ 3.3V
2- REF @3.3V, 14.318MHz.
Features:
Programmable ouput frequency
Programmable ouput rise/fall time
Programmable group skew
Real time system reset output
Spread spectrum for EMI control typically
by 7dB to 8dB,
with programmable spread percentage
Watchdog timer technology to reset system
if over-clocking causes malfunction
Uses external 14.318MHz crystal
Asyncronous CPU and SDRAM clocks
CPU and PCI outputs are aligned
CPU - AGP skew <500ps
AMD-K7
TM
System Clock Chip
Power Groups
VDD48, GND48 = 48MHz, PLL2
VDDREF, GNDREF= REF, X1, X2
VDD, GND = PLL Core
SEL24_48#
SDATA
SCLK
FS (2:0)
PD#
PCI_STOP#
CPU_STOP#
SPREAD#
PLL2
PLL1
Spread
Spectrum
48MHz
24_48MHz
SDRAM_OUT
PCICLK (6:0)
AGP (1:0)
PCICLK_F
2
7
X1
X2
XTAL
OSC
CPU
DIVDER
SDRAM
DIVDER
PCI
DIVDER
AGP
DIVDER
Stop
Stop
Control
Logic
Config.
Reg.
/ 2
REF (1:0)
3
3
CPUCLKT (2:0)
CPUCLKC (2:0)
0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
1
100.00
100.00
100.00
100.00
133.33
125.00
124.00
133.33
112.00
150.00
100.00
133.33
150.00
66.67
133.33
100.00
124.00
100.00
112.00
150.00
33.33
33.33
30.00
33.33
33.33
31.25
31.00
33.33
33.60
30.00
66.67
66.67
60.00
66.67
66.67
62.50
62.00
66.67
67.20
60.00
50.00
50.00
50.00
50.00
50.00
50.00
46.50
50.00
56.00
50.00
1
1
1
1
1
1
0
0
1
1
1
1
1
1
0
0
1
1
0
1
0
1
0
1
111.11
110.00
166.67
90.00
48.00
45.00
166.67
165.00
166.67
90.00
48.00
60.00
33.33
33.00
33.33
30.00
32.00
30.00
66.67
66.00
66.67
60.00
64.00
60.00
55.56
55.00
55.56
45.00
48.00
45.00
PCICLK
Bit 7
FS2
FS1
FS0
CPU
SDRAM
AGP SEL =
0
AGP SEL =
1
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ICS951403YFLF-T | 制造商:ICS 制造商全稱:ICS 功能描述:AMD-K7 System Clock Chip |
| ICS951403YGLF-T | 制造商:ICS 制造商全稱:ICS 功能描述:AMD-K7 System Clock Chip |
| ICS951411 | 制造商:ICS 制造商全稱:ICS 功能描述:System Clock Chip for ATI RS400 P4TM-based Systems |
| ICS951411BGLF | 功能描述:IC SYSTEM CLOCK CHIP P4 56-TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:PCI Express® (PCIe) 標準包裝:1,500 系列:- 類型:時鐘緩沖器/驅動器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數:- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
| ICS951411BGLFT | 功能描述:IC SYSTEM CLOCK CHIP P4 56-TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:PCI Express® (PCIe) 標準包裝:1,500 系列:- 類型:時鐘緩沖器/驅動器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數:- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
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