参数资料
型号: MK2746GLF
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/6页
文件大小: 0K
描述: IC CLK SOURCE DVD/MPEG 16-TSSOP
标准包装: 96
类型: 时钟/频率合成器
PLL: 带旁路
输入: 时钟,晶体
输出: CMOS
电路数: 1
比率 - 输入:输出: 2:5
差分 - 输入:输出: 无/无
频率 - 最大: 133.33MHz
除法器/乘法器: 无/无
电源电压: 3 V ~ 3.6 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 管件
DATASHEET
DVD/MPEG CLOCK SOURCE
MK2746
IDT DVD/MPEG CLOCK SOURCE
1
MK2746
REV C 051310
Description
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.
IDT manufacturers the largest variety of DVD, set top box,
and multimedia clock synthesizers for all applications.
Block Diagram
Features
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
27M Video Clock
Clock Buffer/
Crystal
Ocsillator
PS1:0
133.33 M SDRAM Clock
Processor
(Tight Jitter)
VDD
GND
PLL / Clock
Circuit
3
2
50M Bus Clock
Audio
AS1:0
X1
X2
27 MHz crystal
or clock
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