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參數(shù)資料
| 型號： | MK1479SLF |
| 元件分類： | 時鐘產(chǎn)生/分配 |
| 英文描述： | 71.5 MHz, VIDEO CLOCK GENERATOR, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 43K |
| 代理商： | MK1479SLF |
MK1479
Digital 21230 Video Codec Clock
MDS1479GC
1
Revision 2108
Printed 2/10/98
MicroClock division of ICS1271 Parkmoor Ave.San JoseCA95126(408)295-9800tel(408)295-9818fax
ICRO
CLOCK
Block Diagram
Description
Features
The MK1479 is a low cost way of generating all
necessary clocks for boards using Digital
Semiconductor’s 21230 video codec.
The chip provides zero ppm accuracy on all of the
clocks, eliminating the need for buying multiple
tight-tolerance crystals and oscillators. A single
27.00 MHz crystal is the only accurate frequency
source required. The MK1479 then synthesizes all
clocks exactly from that crystal.
MicroClock manufactures the largest variety of
multimedia clock synthesizers for all applications.
Consult MicroClock to eliminate crystals and
oscillators from your board.
Packaged in 20 pin SOIC
Uses a single 27.000 MHz crystal
5V±10% operating voltage, with ability to run
71.5MHz clocks at 3.3V using VDDP
Zero ppm synthesis error in all clocks
25mA output drive capability at TTL levels
Advanced, low power, sub-micron CMOS process
Crystal
Oscillator
VDD
GND
Clock
Synthesis
Circuitry
Output
Buffer
Output
Buffer
27.000 MHz
Output
Buffer
16.9344 MHz
71.5 MHz
Output
Buffers
16.65 MHz
5
3
27.00 MHz
crystal
X1
X2
2
Output
Buffers
24.576 MHz
÷ 2
13.500 MHz
Output
Buffer
11.1 MHz
Output
Buffer
71.5 MHz
VDDP
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