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參數資料
| 型號： | ICS94209YFLF-T |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封裝： | 0.300 INCH, SSOP-48 |
| 文件頁數： | 1/19頁 |
| 文件大小： | 217K |
| 代理商： | ICS94209YFLF-T |
ICS94209
Third party brands and names are the property of their respective owners.
Integrated
Circuit
Systems, Inc.
94209 RevA - 04/27/01
Programmable Frequency Generator & Integrated Buffers for Pentium III Processor
Block Diagram
Recommended Application:
Single chip clock solution 630S chipset.
Output Features:
3 - CPU @ 2.5V
13 - SDRAM @ 3.3V
6- PCI @3.3V,
2 - AGP @ 3.3V
1- 48MHz, @3.3V fixed.
1- 24/48MHz, @3.3V selectable by I
2C
(Default is 24MHz)
2- REF @3.3V, 14.318MHz.
Features:
Programmable ouput frequency.
Programmable ouput rise/fall time.
Programmable SDRAM and CPU skew.
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.
FS pins for frequency select
Skew Specifications:
CPU - CPU: < 175ps
SDRAM - SDRAM < 250ps (except SDRAM12)
PCI - PCI: < 500ps
CPU (early) - PCI: 1-4ns (typ. 2ns)
Functionality
Pin Configuration
48-Pin 300mil SSOP
* These inputs have a 120K pull down to GND.
1 These are double strength.
PLL2
PLL1
Spread
Spectrum
48MHz
24_48MHz
CPUCLK (2:0)
SDRAM (12:0)
PCICLK (4:0)
AGP (1:0)
PCICLK_F
2
5
13
3
2
X1
X2
XTAL
OSC
CPU
DIVDER
SDRAM
DIVDER
PCI
DIVDER
Stop
SDATA
SCLK
FS(3:0)
PD#
PCI_STOP#
CPU_STOP#
SDRAM_STOP#
MODE
AGP_SEL
Control
Logic
Config.
Reg.
/ 2
REF(1:0)
AGP
DIVDER
VDDA
(AGPSEL)REF0
*(FS3)REF1
GND
X1
X2
VDDPCI
*(FS1)PCICLK_F
*(FS2)PCICLK0
PCICLK1
PCICLK2
PCICLK3
PCICLK4
GND
VDDAGP
AGPCLK0
AGPCLK1
GND
*(FS0)48MHz
*(MODE)24_48MHz
VDD48
SDATA
SCLK
1
*
VDDL
CPUCLK0
CPUCLK1
CPUCLK2
GND
VDDSDR
SDRAM0
SDRAM1
SDRAM2
GND
SDRAM3
SDRAM4
SDRAM5
VDDSDR
SDRAM6
SDRAM7
GND
SDRAM8/PD#
SDRAM9/SDRAM_STOP#
GND
SDRAM10/PCI_STOP#
SDRAM11/CPU_STOP#
SDRAM12
VDDSDR
ICS94209
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
0
66.67
33.33
66.67
50.00
0
1
100.00
33.33
66.67
50.00
0
1
0
166.67
33.33
66.66
55.56
0
1
133.33
33.33
66.67
50.00
0
1
0
66.67
100.00
33.33
66.67
50.00
0
1
0
1
100.00
66.67
33.33
66.67
50.00
0
1
0
100.00
133.33
33.33
66.67
50.00
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
124.00
31.00
62.00
46.50
1
0
1
0
138.00
34.50
69.00
51.75
1
0
1
150.00
30.00
60.00
50.00
1
0
66.67
133.33
33.33
66.67
50.00
1
0
1
100.00
150.00
30.00
60.00
50.00
1
0
150.00
100.00
30.00
60.00
50.00
1
160.00
120.00
30.00
60.00
48.00
AGP
SEL = 0
AGP
SEL = 1
CPU
SDRAM PCICLK
FS3FS2 FS1FS0
ICS reserves the right to make changes in the device data identified in
this publication without further notice. ICS advises its customers to
obtain the latest version of all device data to verify that any
information being relied upon by the customer is current and accurate.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ICS94209YF-T | 制造商:ICS 制造商全稱:ICS 功能描述:Programmable Frequency Generator & Integrated Buffers for Pentium III Processor |
| ICS94211 | 制造商:ICS 制造商全稱:ICS 功能描述:Programmable System Frequency Generator for PII/III⑩ |
| ICS94211AF | 功能描述:IC FREQ GENERATOR PROGR 48-SSOP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 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 |
| ICS94211AFLF | 功能描述:IC FREQ GENERATOR PROGR 48-SSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 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 |
| ICS94211AFLFT | 功能描述:IC FREQ GENERATOR PROGR 48-SSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標準包裝:28 系列:- 類型:時鐘/頻率發生器 PLL:是 主要目的:Intel CPU 服務器 輸入:時鐘 輸出:LVCMOS 電路數:1 比率 - 輸入:輸出:3:22 差分 - 輸入:輸出:無/是 頻率 - 最大:400MHz 電源電壓:3.135 V ~ 3.465 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:64-TFSOP （0.240"，6.10mm 寬） 供應商設備封裝:64-TSSOP 包裝:管件 |
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