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参数资料
| 型号： | ICS951403YF-T |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 166.67 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | 0.300 INCH, MO-118, SSOP-48 |
| 文件页数： | 1/18页 |
| 文件大小： | 639K |
| 代理商： | ICS951403YF-T |
Integrated
Circuit
Systems, Inc.
ICS951403
0486B—02/23/04
Block Diagram
Functionality
Pin Configuration
48-Pin SSOP & TSSOP
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
2C)
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-K7TM System Clock Chip
* Internal 120K pullup resistor on indicated inputs
** Internal 240K pullup resistor on indicated inputs
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
Control
Logic
Config.
Reg.
/ 2
REF (1:0)
3
CPUCLKT (2:0)
CPUCLKC (2:0)
0
100.00
33.33
66.67
50.00
0
1
100.00
133.33
33.33
66.67
50.00
0
1
0
100.00
150.00
30.00
60.00
50.00
0
1
100.00
66.67
33.33
66.67
50.00
0
1
0
133.33
33.33
66.67
50.00
0
1
0
1
125.00
100.00
31.25
62.50
50.00
0
1
0
124.00
31.00
62.00
46.50
0
1
133.33
100.00
33.33
66.67
50.00
1
0
112.00
33.60
67.20
56.00
1
0
1
150.00
30.00
60.00
50.00
1
0
1
0
111.11
166.67
33.33
66.67
55.56
1
0
1
110.00
165.00
33.00
66.00
55.00
1
0
166.67
33.33
66.67
55.56
1
0
1
90.00
30.00
60.00
45.00
1
0
48.00
32.00
64.00
48.00
1
45.00
60.00
30.00
60.00
45.00
PCICLK
Bit 7
FS2
FS1
FS0
CPU
SDRAM
AGP SEL =
0
AGP SEL =
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS951403YGLF-T | 制造商:ICS 制造商全称:ICS 功能描述:AMD-K7 System Clock Chip |
| ICS951411 | 制造商:ICS 制造商全称: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 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:PCI Express® (PCIe) 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
| ICS951411BGLFT | 功能描述:IC SYSTEM CLOCK CHIP P4 56-TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:PCI Express® (PCIe) 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
| ICS951411YFLFT | 制造商:ICS 制造商全称:ICS 功能描述:System Clock Chip for ATI RS400 P4TM-based Systems |
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