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ASM3P2855BG-16-TT PDF预览

ASM3P2855BG-16-TT

更新时间: 2024-02-04 03:45:37
品牌 Logo 应用领域
PULSECORE 时钟发生器
页数 文件大小 规格书
7页 312K
描述
Custom Clock Generator for Fax System

ASM3P2855BG-16-TT 技术参数

生命周期:Transferred包装说明:4.40 MM, GREEN, TSSOP-16
Reach Compliance Code:unknown风险等级:5.79
Is Samacsys:NJESD-30 代码:R-PDSO-G16
长度:5 mm端子数量:16
最高工作温度:70 °C最低工作温度:
最大输出时钟频率:50 MHz封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH主时钟/晶体标称频率:24 MHz
认证状态:Not Qualified座面最大高度:1.2 mm
最大供电电压:3.6 V最小供电电压:3 V
标称供电电压:3.3 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL宽度:4.4 mm
uPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHERBase Number Matches:1

ASM3P2855BG-16-TT 数据手册

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March 2007  
rev 0.2  
ASM3P2855B  
Custom Clock Generator for Fax System  
Features  
Generates Custom Clocks for FAX system from  
an inexpensive 24MHz Crystal  
7 x 50MHz synchronized non-Spread Spectrum  
clocks (for CPU, ASIC2, ASIC3, HDD, and PCI  
Analyzer, Ethernet, and LAN PHY)  
1x 50MHz for CPU Timer  
1x 19.52MHz non-spread clock for Scanner  
REFOUT Clock  
Supply Voltage 3.3 V +/- 0.3V  
Available in 16L TSSOP, Green package  
Commercial Temperature operation  
Product Description  
ASM3P2855B is a part of the two chip custom clock  
generator solution for NEC FAX system. Together with  
ASM3P2854A, ASM3P2855B realizes all the eighteen  
clocks required by the various components and  
subsystems of the FAX system. It uses an inexpensive  
24MHz crystal as the input to generate five synchronized  
50MHz non-spread PCI clocks used by CPU, HDD, PCI  
Analyzer, ASIC2 and ASIC3, two non-spread  
synchronized 50MHz clocks for Ethernet and LAN PHY, a  
50MHz clock for the CPU Timer, and a 19.52MHz non-  
spread clock used by ASIC1 for Scanner. The custom  
clock generator ASM3P2855B works with a Supply  
Voltage of 3.3V. The device is available in a 16L TSSOP  
Green package and in commercial temperature range.  
Block Diagram  
VDD_FOUT  
VDD  
19.52MHz  
XIN / CLKIN  
Crystal  
PLL  
7
50MHz  
Oscillator  
XOUT  
50MHZ  
REFOUT  
GND_FOUT  
GND  
PulseCore Semiconductor Corporation  
1715 S. Bascom Ave Suite 200 Campbell, CA 95008 Tel: 408-879-9077 Fax: 408-879-9018  
www.pulsecoresemi.com  
Notice: The information in this document is subject to change without notice.  

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