Datasheet > MK2746GT

MK2746GT

更新时间： 2024-11-21 03:49:15

品牌	Logo	应用领域
矽成 - ICSI		晶体外围集成电路光电二极管 DVD 时钟
页数	文件大小	规格书
5页	137K
描述
DVD/MPEG CLOCK SOURCE

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MK2746GT 数据手册

MK2746

DVD/MPEG CLOCK SOURCE

Description

Features

The MK2746 is a low cost, low jitter, high performance

clock synthesizer for DVD and other MPEG2 based

applications. Using analog Phase Locked Loop (PLL)

techniques, the device accepts a 27 MHz fundamental

mode crystal or clock input to produce multiple output

clocks including the processor clock, audio clock, bus

driver clock, SDRAM clock and a Video clock. The

audio clocks are frequency locked to the 27 MHz input

using our patented zero ppm error techniques, allowing

audio and video to track exactly, thereby eliminating the

need for large buffer memory.

• Packaged in 16 pin TSSOP

• Operating voltage of 3.3 V

• Provides tight jitter controlled selectable processor

clock per table.

• Provides selectable audio clock per table.

• Provides fixed outputs of 27 MHz (Video), 50 MHz

(DSP/Bus clock) and 133.33 MHz (SDRAM).

• Advanced, low power, sub-micron CMOS process

ICS manufacturers the largest variety of DVD, set top

box, and multimedia clock synthesizers for all

applications.

Block Diagram

VDD

Audio

AS1:0

Processor

(Tight Jitter)

PLL / Clock

Circuit

50M Bus Clock

PS1:0

133.33 M SDRAM Clock

27 MHz crystal

or clock

Clock Buffer/

Crystal

27M Video Clock

Ocsillator

GND

MDS 2746 A

Revision 100802

Integrated Circuit Systems ● 525 Race Street, San Jose, CA 95126 ● tel (408) 295-9800 ● www.icst.com

12 3 4 5

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