电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

ASM3P2111BF-08ST

产品描述Clock Generator, 66.6MHz, CMOS, PDSO8, LEAD FREE, SOIC-8
产品类别嵌入式处理器和控制器    微控制器和处理器   
文件大小204KB,共8页
制造商ALSC [Alliance Semiconductor Corporation]
标准
下载文档 详细参数 选型对比 全文预览

ASM3P2111BF-08ST概述

Clock Generator, 66.6MHz, CMOS, PDSO8, LEAD FREE, SOIC-8

ASM3P2111BF-08ST规格参数

参数名称属性值
是否Rohs认证符合
厂商名称ALSC [Alliance Semiconductor Corporation]
零件包装代码SOIC
包装说明SOP, SOP8,.25
针数8
Reach Compliance Codeunknown
ECCN代码EAR99
JESD-30 代码R-PDSO-G8
JESD-609代码e3
长度4.9 mm
端子数量8
最高工作温度70 °C
最低工作温度
最大输出时钟频率66.6 MHz
封装主体材料PLASTIC/EPOXY
封装代码SOP
封装等效代码SOP8,.25
封装形状RECTANGULAR
封装形式SMALL OUTLINE
峰值回流温度(摄氏度)250
电源3.3 V
主时钟/晶体标称频率25 MHz
认证状态Not Qualified
座面最大高度1.75 mm
最大压摆率62 mA
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
端子面层MATTE TIN
端子形式GULL WING
端子节距1.27 mm
端子位置DUAL
处于峰值回流温度下的最长时间40
宽度3.91 mm
uPs/uCs/外围集成电路类型CLOCK GENERATOR, OTHER
Base Number Matches1

文档预览

下载PDF文档
May 2005
rev 0.1
Peak EMI Reducing Solution
Features
Generates an EMI optimized clock at the output.
Input frequency: 25 MHz.
Frequency outputs:
o
o
o
60 MHz (unmodulated)
2 x 48 MHz (unmodulated)
66.6 MHz (modulated): -1.7% down spread
ASM3P2111B
allows significant system cost savings by reducing the
number of circuit board layers and shielding that are
required to pass EMI regulations. The ASM3P2111B
modulates the output of PLL in order to spread the
bandwidth of a synthesized clock, thereby decreasing the
peak amplitudes of its harmonics. This results in
significantly lower system EMI compared to the typical
narrow band signal produced by oscillators and most
clock generators. Lowering EMI by increasing a signal’s
bandwidth is called spread spectrum clock generation.
Modulation rate: 30 KHz.
Supply voltage range: 3.3V ± 0.3V.
Available in 8-pin SOIC Package.
Commercial and Industrial Temperature range.
RoHS Compliant
Applications
ASM3P2111B is targeted towards EMI management for
Product Description
The ASM3P2111B is a versatile spread spectrum
frequency
modulator
that
reduces
electromagnetic
interference (EMI) at the clock source. The ASM3P2111B
high speed digital applications such as PC peripheral
devices, consumer electronics and embedded controller
systems.
Block Diagram
V
DD
XIN /CLKIN
XOUT
60 MHz
Crystal
Oscillator
PLL1
48 MHz_1
48 MHz_2
48 MHz_1
PLL2
66.6 MHz
Modulated
V
SS
Alliance Semiconductor
2575 Augustine Drive
Santa Clara CA
Tel: 408-855-4900
Fax: 408-855-4999
www.alsc.com

ASM3P2111BF-08ST相似产品对比

ASM3P2111BF-08ST ASM3P2111BF-08SR ASM3I2111BF-08SR ASM3I2111BF-08ST
描述 Clock Generator, 66.6MHz, CMOS, PDSO8, LEAD FREE, SOIC-8 Clock Generator, 66.6MHz, CMOS, PDSO8, LEAD FREE, SOIC-8 Clock Generator, 66.6MHz, CMOS, PDSO8, LEAD FREE, SOIC-8 Clock Generator, 66.6MHz, CMOS, PDSO8, LEAD FREE, SOIC-8
是否Rohs认证 符合 符合 符合 符合
厂商名称 ALSC [Alliance Semiconductor Corporation] ALSC [Alliance Semiconductor Corporation] ALSC [Alliance Semiconductor Corporation] ALSC [Alliance Semiconductor Corporation]
零件包装代码 SOIC SOIC SOIC SOIC
包装说明 SOP, SOP8,.25 SOP, SOP8,.25 SOP, SOP8,.25 SOP, SOP8,.25
针数 8 8 8 8
Reach Compliance Code unknown unknown unknown unknown
ECCN代码 EAR99 EAR99 EAR99 EAR99
JESD-30 代码 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8
JESD-609代码 e3 e3 e3 e3
长度 4.9 mm 4.9 mm 4.9 mm 4.9 mm
端子数量 8 8 8 8
最高工作温度 70 °C 70 °C 85 °C 85 °C
最大输出时钟频率 66.6 MHz 66.6 MHz 66.6 MHz 66.6 MHz
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 SOP SOP SOP SOP
封装等效代码 SOP8,.25 SOP8,.25 SOP8,.25 SOP8,.25
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
峰值回流温度(摄氏度) 250 250 250 250
电源 3.3 V 3.3 V 3.3 V 3.3 V
主时钟/晶体标称频率 25 MHz 25 MHz 25 MHz 25 MHz
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified
座面最大高度 1.75 mm 1.75 mm 1.75 mm 1.75 mm
最大压摆率 62 mA 62 mA 62 mA 62 mA
最大供电电压 3.6 V 3.6 V 3.6 V 3.6 V
最小供电电压 3 V 3 V 3 V 3 V
标称供电电压 3.3 V 3.3 V 3.3 V 3.3 V
表面贴装 YES YES YES YES
技术 CMOS CMOS CMOS CMOS
温度等级 COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL
端子面层 MATTE TIN MATTE TIN MATTE TIN MATTE TIN
端子形式 GULL WING GULL WING GULL WING GULL WING
端子节距 1.27 mm 1.27 mm 1.27 mm 1.27 mm
端子位置 DUAL DUAL DUAL DUAL
处于峰值回流温度下的最长时间 40 40 40 40
宽度 3.91 mm 3.91 mm 3.91 mm 3.91 mm
uPs/uCs/外围集成电路类型 CLOCK GENERATOR, OTHER CLOCK GENERATOR, OTHER CLOCK GENERATOR, OTHER CLOCK GENERATOR, OTHER
Base Number Matches 1 1 1 1

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 1585  2499  875  2238  1981  46  51  25  19  8 

器件索引   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved