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參數(shù)資料
| 型號(hào)： | W83196S-14 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | XO, clock |
| 英文描述： | 100 MHZ Clock For BX Chipset(2 Chip)(用于BX型芯片組的頻率為100MHZ的時(shí)鐘) |
| 中文描述： | 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28 |
| 封裝： | SOP-28 |
| 文件頁(yè)數(shù)： | 1/15頁(yè) |
| 文件大小： | 217K |
| 代理商： | W83196S-14 |
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Preliminary W83196S-14
100 MHZ CLOCK FOR BX CHIPSET (2 CHIP)
Publication Release Date: March 1999
Revision A1
- 1 -
1. GENERAL DESCRIPTION
The W83196S-14 is a Clock Synthesizer which provides all clocks required for high-speed RISC or
CISC microprocessor. Twelve different frequency of CPU, and PCI clocks are externally selectable
with smooth transitions.
The W83196S-14 provides I2C serial bus interface to program the registers to enable or disable each
clock outputs and choose the 0.5% center type spread spectrum to reduce EMI.
The W83196S-14 accepts a 14.318 MHz reference crystal as its input and runs on a 3.3V supply.
High drive PCI CLOCK outputs typically provide greater than 1V/nS slew rate into 30 pF loads. CPU
CLOCK outputs typically provide better than 1V/nS slew rate into 20 pF loads as maintaining 50
±
5%
duty cycle. The fixed frequency outputs as REF, 24 MHz, and 48 MHz provide better than 0.5V/nS
slew rate.
2. FEATURES
Supports Pentium
II CPUs with I
2
C
12 sets of CPU frequencies selection
2 CPU clocks (one free running CPU clock)
7 PCI synchronous clocks(one free running PCI clock)
Optional single or mixed supply:
(V
DD
R = V
DD
Core = V
DD
P = V
DD
4 = 3.3V
±
5%)
(V
DD
A = V
DD
C = 2.5V
±
5%)
Skew form CPU to PCI clock 1.5 to 4.0 nS, CPU leads.
CPU clock jitter less than 200 pS
PCI_F, PCI1: 6 clock skew less than 500 pS
Smooth frequency switch with selections from 66.8 MHz to 150 MHz CPU
I
2
C 2-Wire serial interface and I
2
C read back
±
0.5% center type spread spectrum function to reduce EMI
Programmable registers to enable/stop each output and select modes
(mode as Tri-state or Normal )
MODE pin for power management
48 MHz for USB
24 MHz for super I/O
Packaged in 28-pin SOP
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W83196S-14/-14A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:100/133/150/160MHz Clock Gen.. with S.S.T.? |
| W83301 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:ACPI-STR Controller |
| W83301DR-O | 制造商:WINBOND 制造商全稱:Winbond 功能描述:ACPI-STR Controller |
| W83301R | 制造商:WINBOND 制造商全稱:Winbond 功能描述:ACPI-STR Controller |
| W83303AD | 制造商:WINBOND 制造商全稱:Winbond 功能描述:Advanced ACPI Controller |
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