ASM3I2814AF-08TR

更新时间： 2024-11-24 06:38:07

品牌	Logo	应用领域
PULSECORE		晶体时钟发生器微控制器和处理器外围集成电路光电二极管 ISM频段
页数	文件大小	规格书
11页	152K
描述
Low Power EMI Reduction IC

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技术参数
数据手册

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ASM3I2814AF-08TR 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	ROHS COMPLIANT, TSSOP-8	Reach Compliance Code：	unknown
风险等级：	5.84	Is Samacsys：	N
JESD-30 代码：	R-PDSO-G8	长度：	4.4 mm
端子数量：	8	最高工作温度：	85 °C
最低工作温度：	-40 °C	最大输出时钟频率：	160 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
峰值回流温度（摄氏度）：	NOT SPECIFIED	主时钟/晶体标称频率：	40 MHz
认证状态：	Not Qualified	座面最大高度：	1.1 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：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	3 mm	uPs/uCs/外围集成电路类型：	CLOCK GENERATOR, OTHER
Base Number Matches：	1

ASM3I2814AF-08TR 数据手册

ASM3P2811A/B

ASM3P2812A/B

ASM3P2814A/B

April 2008

rev 1.6

Low Power EMI Reduction IC

Features

and Center Spread, and percentage deviation range from

±0.625% to -3.5%.

•

FCC approved method of EMI attenuation

Provides up to 15dB EMI reduction

Generates a 1x, 2x and 4x low EMI spread

spectrum clock of the input frequency

• 1x: ASM3P2811A/B

The ASM3P28XX reduces electromagnetic interference

(EMI) at the clock source, allowing system wide reduction

of EMI of down stream clock and data dependent

signals. The ASM3P28XX allows significant system cost

savings by reducing the number of circuit board layers,

ferrite beads, shielding, and other passive components

that are traditionally required to pass EMI regulations.

• 2x: ASM3P2812A/B

• 4x: ASM3P2814A/B

•

Optimized for input frequency range from

10MHz to 40 MHz

Internal loop filter minimizes external

components and board space

Selectable spread options:

The ASM3P28XX modulates the output of a single PLL in

order to “spread” the bandwidth of a synthesized clock,

and more importantly, decreases 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 frequency generators. Lowering

EMI by increasing a signal’s bandwidth is called ‘spread

spectrum clock generation’.

• Down Spread and Center Spread

8 frequency deviation selections:

• ±0.625% to -3.5%

•

Low inherent Cycle-to-Cycle Jitter

3.3V Operating Voltage

CMOS/TTL compatible inputs and outputs.

Pin-out compatible with Cypress CY25811,

CY25812 and CY25814

The ASM3P28XX uses the most efficient and optimized

modulation profile approved by the FCC and is

implemented in a proprietary all-digital method.

•

Commercial and Industrial temperature range

Available in 8-pin SOIC and TSSOP Packages

Applications

Product Description

The ASM3P28XX is targeted towards EMI management

for memory and LVDS interfaces in mobile graphic

chipsets and high-speed digital applications such as PC

peripheral devices, consumer electronics, and embedded

controller systems.

The ASM3P28XX devices are versatile spread spectrum

frequency modulators designed specifically for a wide

range of input clock frequencies from 10MHz to 40MHz.

Refer Input / Output Frequency Range Selection Table.

The ASM3P28XX can generate an EMI reduced clock

from crystal, ceramic resonator, or system clock. The

ASM3P28XX-A and the ASM3P28XX-B offer various

combinations of spread options and percentage

deviations. Refer Frequency Deviation and Spread

Selection Table. These combinations include Down

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.

12 3 4 5 6 7...11

中文翻译

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与ASM3I2814AF-08TR相关器件

型号	品牌	获取价格	描述	数据表
ASM3I2814AF-08TT	PULSECORE	获取价格	Low Power EMI Reduction IC
ASM3I2814AF-08TT	ALSC	获取价格	Clock Generator, 120MHz, CMOS, PDSO8, TSSOP-8
ASM3I2814AG-08SR	PULSECORE	获取价格	Low Power EMI Reduction IC
ASM3I2814AG-08ST	PULSECORE	获取价格	Low Power EMI Reduction IC
ASM3I2814AG-08TR	PULSECORE	获取价格	Low Power EMI Reduction IC
ASM3I2814AG-08TT	PULSECORE	获取价格	Low Power EMI Reduction IC
ASM3I2814BF-08SR	PULSECORE	获取价格	Low Power EMI Reduction IC
ASM3I2814BF-08SR	ALSC	获取价格	Clock Generator, 120MHz, CMOS, PDSO8, SOIC-8
ASM3I2814BF-08ST	PULSECORE	获取价格	Low Power EMI Reduction IC
ASM3I2814BF-08TR	PULSECORE	获取价格	Low Power EMI Reduction IC

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