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參數資料
| 型號： | W83195AR-WE |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 200MHZ 3-DIMM CLOCK FOR WHITNEY CHIPSET |
| 中文描述： | 200MHz的3條DIMM惠特尼芯片組鐘 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 245K |
| 代理商： | W83195AR-WE |
W83195AR-25
200MHZ 3-DIMM CLOCK FOR SOLANO CHIPSET
Publication Release Date: Jan. 2000
- 1 - Revision 0.40
1.0 GENERAL DESCRIPTION
The W83195AR-25 is a Clock Synthesizer for Intel 815 Solano chipset. W83195AR-25 provides all
clocks required for high-speed RISC or CISC microprocessor and also provides 64 different
frequencies of CPU, SDRAM, PCI, 3V66, IOAPIC clocks frequency setting. All clocks are externally
selectable with smooth transitions.
The W83195AR-25 provides I
2
C serial bus interface to program the registers to enable or disable
each clock outputs and provides 0.25% and 0.5% center type spread spectrum to reduce EMI.
The W83195AR-25 accepts a 14.318 MHz reference crystal as its input and runs on a 3.3V supply.
High drive PCI and SDRAM CLOCK outputs typically provide greater than 1 V /ns slew rate into 30
pF loads. CPU CLOCK outputs typically provide better than 1 V /ns slew rate into 20 pF loads as
maintaining 50
±
5% duty cycle. The fixed frequency outputs as REF, 24MHz, and 48 MHz provide
better than 0.5V /ns slew rate.
2.0 PRODUCT FEATURES
2 CPU clocks (2.5V)
3 3V-66 clocks (3.3V)
12 SDRAM clocks for 3 DIMMs(3.3V)
8 PCI synchronous clocks.
Optional single or mixed supply:
(VDDR = VDDP=VDDS = VDD48 = VDD3 = 3.3V, VDDA=VDDC=2.5V)
Skew form CPU to PCI clock -1 to 4 ns, center 2.6 ns
Smooth frequency switch with selections from 66.8 to 200MHz
I
2
C 2-Wire serial interface and I
2
C read back
0.25% center and
0.5% center type
spread spectrum
Programmable registers to enable/stop each output and select modes
(mode as Tri-state or Normal )
48 MHz for USB
24 MHz for super I/O
Packaged in 56-pin SSOP
相關PDF資料 |
PDF描述 |
|---|---|
| W83195BR-25 | 200MHZ 3-DIMM CLOCK FOR SOLANO CHIPSET |
| W83195AR-We | 200MHZ 3-DIMM Clock For Whitney Chipset(用于英特爾的WHITNEY型芯片組的頻率為200MHZ時鐘) |
| W83195R-08 | 150MHZ 4-DIMM Clock(頻率為150MHZ、3-DIMM 時鐘) |
| W83196S-14 | 100 MHZ Clock For BX Chipset(2 Chip)(用于BX型芯片組的頻率為100MHZ的時鐘) |
| W83301DR-O | ACPI-STR Controller |
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| W83195BG-101 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:Winbond Clock Generator For Intel 915/925 Chipsets |
| W83195BG-102 | 功能描述:IC CLOCK GENERATOR 56-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 |
| W83195BG-118 | 功能描述:IC CLOCK GENERATOR 48-SSOP 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 |
| W83195BG-119 | 功能描述:IC CLOCK GENERATOR 56-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 |
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