參數(shù)資料
型號(hào)： ICS951403YGLF-T
元件分類： 時(shí)鐘產(chǎn)生/分配
英文描述： 166.67 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封裝： 0.240 INCH, 0.020 INCH PITCH, LEAD FREE, MO-153, TSSOP-48
文件頁(yè)數(shù)： 1/18頁(yè)
文件大?。?/td> 639K
代理商： ICS951403YGLF-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
相關(guān)PDF資料
PDF描述
ICS951403YF-T 166.67 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
ICS951403YFLF-T 166.67 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
ICS951411YGLFT 400 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56
ICS951412YGLFT 220 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56
ICS951412YGT 220 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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(shí)鐘/計(jì)時(shí) - 專用 系列:PCI Express® (PCIe) 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時(shí)鐘緩沖器/驅(qū)動(dòng)器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 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(yīng)商設(shè)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(shí)鐘/計(jì)時(shí) - 專用 系列:PCI Express® (PCIe) 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時(shí)鐘緩沖器/驅(qū)動(dòng)器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 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(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT
ICS951411YFLFT 制造商:ICS 制造商全稱:ICS 功能描述:System Clock Chip for ATI RS400 P4TM-based Systems
ICS951411YGLFT 制造商:ICS 制造商全稱:ICS 功能描述:System Clock Chip for ATI RS400 P4TM-based Systems
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