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參數(shù)資料
| 型號： | VT98000 |
| 廠商： | Vaishali Semiconductor |
| 英文描述： | Multifrequency Synthesizer |
| 中文描述： | 多頻合成器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 45K |
| 代理商： | VT98000 |
2001-04-17
Page
1
MDST-0013-00
www.vaishali.com
Vaishali Semiconductor 1300 White Oaks Road Ste. 200 Campbell CA 95008 Ph. 408.377.6060 Fax 408.377.6063
Applications
=
Set-top boxes
=
MPEG Video clock source
General Description
The Vaishali VT98000 is a single-chip, integrated multiple Phase Locked Loop (PLL) clock synthesizer. The
device uses an analog Phase Locked Loop (PLL) to accept a 27 MHz crystal input to produce multiple
outputs. Selection pins are used to provide various outputs.
Features
=
24.576 MHz for Firewire IEEE1394 or video
digitizer
=
24.576 MHz / 28.224 MHz for software or
hardware modem
=
27 MHz buffered output clock
=
6.000MHz buffered output clock
=
=
=
18.432 MHz for audio processor
2kHz standby clock
Zero ppm synthesis error in all clocks
(except the 2 kHz standby clock)
5V tolerant inputs
20-pin, 150 mil SSOP (QSOP)
=
=
Figure 1. Functional Block Diagram
Advance Information
VT98000
Multifrequency Synthesizer
27 MHz
Crystal
24.576/
28.224 MHz
/PD
X1
GND4
27 MHz
27 MHz
GND2 GND3
2kHz
Select
24/28 MHz
X2
ROM Table
osc
VDD2
VDD3
VDD1
24.576 MHz
18.432MHz/
6.000MHz
VDD4
GND5
MODE
GND1
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
Divider
PLL
Multiplier
相關PDF資料 |
PDF描述 |
|---|---|
| VT98000Q | Multifrequency Synthesizer |
| VT98000QX | Multifrequency Synthesizer |
| VT98001 | Multifrequency Synthesizer |
| VT98001Q | Multifrequency Synthesizer |
| VT98001QX | Multifrequency Synthesizer |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| VT98000Q | 制造商:VAISH 制造商全稱:VAISH 功能描述:Multifrequency Synthesizer |
| VT98000QX | 制造商:VAISH 制造商全稱:VAISH 功能描述:Multifrequency Synthesizer |
| VT98001 | 制造商:VAISH 制造商全稱:VAISH 功能描述:Multifrequency Synthesizer |
| VT98001Q | 制造商:VAISH 制造商全稱:VAISH 功能描述:Multifrequency Synthesizer |
| VT98001QX | 制造商:VAISH 制造商全稱:VAISH 功能描述:Multifrequency Synthesizer |
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