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参数资料
| 型号： | MK2745-20SLF |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 108 MHz, VIDEO CLOCK GENERATOR, PDSO16 |
| 封装： | 0.150 INCH, SOIC-16 |
| 文件页数： | 1/4页 |
| 文件大小： | 61K |
| 代理商： | MK2745-20SLF |
MK2745-20
MPEG Clock Source
MDS 2745-20 A
1
Revision 052499
Printed 11/16/00
Integrated Circuit Systems 525 Race Street San Jose CA 95126 (408)295-9800tel (408)295-9818fax
PRELIMINARY INFORMATION
The MK2745-20 is a low cost, low jitter, high
performance clock synthesizer for DVD and other
MPEG 2 based applications. Using analog Phase-
Locked Loop (PLL) techniques, the device accepts
a 27.00 MHz fundamental mode crystal or clock
input to produce multiple output clocks including
a selectable processor clock, a selectable processor
clock, a selectable audio clock, and fixed outputs
of 27 MHz and 24.576 MHz. The audio clocks
are frequency locked to the 27.00MHz input using
our patented zero ppm error techniques, allowing
audio and video to track exactly, thereby
eliminating the need for large buffer memory.
MicroClock manufactures the largest variety of
DVD, Set-Top Box, and multimedia clock
synthesizers for all applications. Consult us to
eliminate crystals and oscillators from your board.
Block Diagram
Description
Features
Packaged in 16 pin narrow (150 mil) SOIC
Ideal for DVD and MPEG solutions
3.0 V to 5.5 V operating voltage
Patented zero ppm audio clock error for 256X and
384X sampling rates
Selectable audio sampling frequencies support
32 kHz, 44.1 kHz, and 48 kHz in most DACs
27.00 MHz fundamental crystal or clock input
Eight selectable processor frequencies
Fixed clocks of 27 and 24.576 MHz
Zero ppm error in all clocks
Full CMOS outputs with 25mA output drive
capability at TTL levels
Advanced, low power, sub-micron CMOS process
3.0V to 5.5V operating voltage
See also the MK2712 for NTSC/PAL clocks
Clock
Buffer/
Crystal
Oscillator
VDD
GND
Clock Synthesis
and Control
Circuitry
Processor Clock
27.00 MHz
clock or
crystal
Output
Buffer
Output
Buffer
Audio Clock
27 MHz
2
Output
Buffer
24.576 MHz
AS2:0
Output
Buffer
3
PS2:0
3
X1
X2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MK2745-21 | 制造商:ICS 制造商全称:ICS 功能描述:DVD/MPEG Clock Source |
| MK2745-21S | 功能描述:IC CLK SOURCE DVD/MPEG 16-SOIC RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:39 系列:- 类型:* PLL:带旁路 输入:时钟 输出:时钟 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 频率 - 最大:170MHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
| MK2745-21SLF | 功能描述:时钟合成器/抖动清除器 DVD/MPEG CLOCK SOURCE RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| MK2745-21SLFTR | 功能描述:时钟合成器/抖动清除器 DVD/MPEG CLOCK SOURCE RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| MK2745-21STR | 功能描述:IC CLK SOURCE DVD/MPEG 16-SOIC RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:39 系列:- 类型:* PLL:带旁路 输入:时钟 输出:时钟 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 频率 - 最大:170MHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
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