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參數資料
| 型號： | W83194R-58 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | XO, clock |
| 英文描述： | 100 MHZ AGP CLOCK FOR VIA CHIPSET |
| 中文描述： | 133.3 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封裝： | SSOP-48 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 135K |
| 代理商： | W83194R-58 |
W83194AR-73
150MHZ CLOCK FOR WHITNEY CHIPSET
Publication Release Date: May 1999
Revision 0.40
- 1 -
1.0 GENERAL DESCRIPTION
The W83194AR-73 is a Clock Synthesizer for Intel Whitney chipset. W83194AR-73 provides all
clocks required for high-speed RISC or CISC microprocessor and also provides 32 different
frequencies of CPU, SDRAM, PCI, 3V66, IOAPIC clocks frequency setting. All clocks are externally
selectable with smooth transitions.
The W83194AR-73 provides I
2
C serial bus interface to program the registers to enable or disable
each clock outputs and provides 0.25% center and 0-0.5% down type spread spectrum to reduce EMI.
The W83194AR-73 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
ó
5% duty cycle. The fixed frequency outputs as REF, 24MHz, and 48 MHz provide
better than 0.5V /ns slew rate.
1.0 PRODUCT FEATURES
2 CPU clocks
9 SDRAM clocks for 2 DIMMs
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 150MHz
I
2
C 2-Wire serial interface and I
2
C read back
0.25% center and 0-0.5% down 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 48-pin SSOP
相關PDF資料 |
PDF描述 |
|---|---|
| W83194R-KX | 133MHZ 3-DIMM K7 CLOCK |
| W83194R-81 | 100MHZ CLOCK FOR SIS CHIPSET |
| W83194BR-903 | STEPLESS VIA PT/PM MAIN CLOCK GENERATOR |
| W83194AR-We | 200MHZ Clock For Whitney Chipset(用于英特爾的WHITNEY型芯片組的頻率為200MHZ時鐘) |
| W83194BR-39B | STEP-LESS 3-DIMM CLOCK |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W83194R-58A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:100MHZ AGP CLOCK FOR VIA CHIPSET |
| W83194R-630 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:166MHZ CLOCK FOR SIS CHIPSET |
| W83194R-630/-630A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:166MHz SiS540/630 Clock Gen.. 3-DIMM. with S.S.T. |
| W83194R-630_07 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:166MHZ CLOCK FOR SIS CHIPSET |
| W83194R-630A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:166MHZ CLOCK FOR SIS CHIPSET |
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