參數(shù)資料
型號(hào): MK2742-04SLF
元件分類: 時(shí)鐘產(chǎn)生/分配
英文描述: 81 MHz, VIDEO CLOCK GENERATOR, PDSO16
封裝: 0.150 INCH, SOIC-16
文件頁數(shù): 1/4頁
文件大?。?/td> 45K
代理商: MK2742-04SLF
MK2742
MPEG/Set-Top Clock Source
MDS2742D
1
Revision 10277
Printed 10/27/97
MicroClock Division of ICS1271 Parkmoor Ave.San JoseCA95126(408)295-9800tel(408)295-9818fax
ICRO
CLOCK
The MK2742 is a low cost, low jitter, high
performance clock synthesizer for MPEG I,
MPEG II, and set-top box based applications.
Using analog Phase-Locked Loop (PLL)
techniques, the device accepts a 27.00MHz crystal
or clock input to produce multiple output clocks
including the processor clock, 27MHz, 13.5MHz,
3.6864MHz, and a selectable audio clock. The
audio clocks (on the -03 and -04) and the
13.5MHz, 27MHz and 3.68MHz clocks are
exactly frequency locked to the 27.00MHz input
with zero ppm error, allowing audio and video to
track exactly.
MicroClock manufactures the largest variety of
Set-Top Box and multimedia clock synthesizers
for all applications. Consult MicroClock to
eliminate crystals and oscillators from your board.
Block Diagram
Description
Features
Packaged in 16 pin narrow (150 mil) SOIC
Pin compatible upgrade to MK2741 with:
- zero ppm audio clock error (-03, -04)
- new processor frequencies
- support for low cost codecs (-05,-06)
Selectable audio sampling frequencies support
32 kHz, 44.1 kHz, and 48 kHz in most DACs
27.00 MHz crystal or clock input
Selectable processor frequencies
Fixed clocks of 13.5, 27, and 3.6864 MHz
Zero ppm error in 13.5, 27, and 3.686 MHz clocks
25mA output drive capability at TTL levels
Advanced, low power, sub-micron CMOS process
5V±10% operating voltage
Clock
Buffer/
Crystal
Oscillator
VDD
GND
Clock Synthesis
and Control
Circuitry
3.6864 MHz
Output
Buffer
27.00 MHz
clock or
crystal
Output
Buffer
13.5 MHz
Output
Buffer
Audio Clock
2
Output
Buffer
Processor Clock
AS1:0
Output
Buffer
27.00 MHz
2
PS2:0
3
÷ 2
X1
X2
相關(guān)PDF資料
PDF描述
MK2742-06STR 81 MHz, VIDEO CLOCK GENERATOR, PDSO16
MK2742-03STR 40.5 MHz, VIDEO CLOCK GENERATOR, PDSO16
MK2742-03STRLF 40.5 MHz, VIDEO CLOCK GENERATOR, PDSO16
MK2742-05S 40.5 MHz, VIDEO CLOCK GENERATOR, PDSO16
MK2742-04STR 81 MHz, VIDEO CLOCK GENERATOR, PDSO16
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