Datasheet > IMISM530ATB

IMISM530ATB

更新时间： 2024-01-11 05:07:20

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		时钟光电二极管外围集成电路晶体
页数	文件大小	规格书
16页	162K
描述
Processor Specific Clock Generator, 120MHz, CMOS, PDSO20, TSSOP-20

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技术参数
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IMISM530ATB 技术参数

生命周期：	Transferred	零件包装代码：	TSSOP
包装说明：	TSSOP,	针数：	20
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	1 week
风险等级：	2.97	其他特性：	CAN ALSO OPERATES AT 3.3V SUPPLY AT 90 MHZ
JESD-30 代码：	R-PDSO-G20	长度：	6.5 mm
端子数量：	20	最高工作温度：	70 °C
最低工作温度：		最大输出时钟频率：	120 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, SHRINK PITCH
主时钟/晶体标称频率：	120 MHz	认证状态：	Not Qualified
座面最大高度：	1.2 mm	最大供电电压：	5.5 V
最小供电电压：	4.5 V	标称供电电压：	5 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, PROCESSOR SPECIFIC
Base Number Matches：	1

IMISM530ATB 数据手册

+/+

SM530

Approved Product

Low EMI Spectrum Spread Clock

FEATURES

APPLICATIONS

•

Reduces Systemic EMI.

•

Desktop/Laptop Computer

Modems

Modulates external source clock.

3 - 5 Volt power supply.

Scanners, Printers, Copiers, Fax Machines, MFP’s

Disk and CD-ROM Drives

Automotive and EmbeddedSystems

Networking, LAN/WAN

14 to 120 MHz.operating frequency range

Output is multiplied or divided by 1, 2 or 4.

Digitally controlled modulation.

TTL/CMOS compatible outputs.

Center and Down Spread modulation.

Compliant with all major CISC, RISC and

DSP processors.

Digital Cameras, Games

LCD displays

BENEFITS

•

Low short term jitter.

•

Time to Market

Synchronous output enable.

Lower cost of compliance

Power down mode for low current operation

Available in 20 pin SSOP and TSSOP

packages.

Programmable EMI reduction

No degradation in Rise/Fall times

Lower component and PCB layer count

GENERAL DESCRIPTION

The IMI SM530 is a Spectrum Spread Clock Modulator designed for the purpose of reducing the Electro- Magnetic

Interference (EMI) found in today’s high speed digital systems. The SM530 is well suited for a wide range of digital

system applications that require a reduction of radiated energy. This unwanted radiated energy is usually found in

the odd harmonics of digital system clocks. By increasing the bandwidth of the digital clock, measured EMI at the

fundamental and harmonic frequencies is greatly reduced. This reduction in radiated energy can significantly

reduce the cost of complying with regulatory requirements and time to market, without degrading clock and timing

signals.

The IMI SM530 is extremely versatile and flexible in that program control is available for each of the operating

modes. Program control is provided for Input Frequency, Output Frequency Multiplication, Output Bandwidth,

Center/Down Spread of Fout, Modulation ON/OFF and Fout state during Power Down Mode

Depending on the range of operation, the output clock, Fout, can be a multiple (1, 2, 4) or a fraction (1, 1/2, 1/4) of

the input frequency. The SM530 can synchronously stop the modulated output at the low logic level. The power-

down mode adds the flexibility of operating in a completely static mode for reduced standby current and simplified

system board testing.

There are many benefits to using the SM530 Low EMI Clock Modulator. The most important benefit is reducing

the amount of clock related EMI by as much as 12 - 18 dB., depending on the application. Refer to SM532

datasheet for the 16 pin SOIC version, which only supports Center-Spread operation.

International Microcircuits,Inc.

525 Los Coches St., Milpitas, 95035 408-263-6300, FAX 408-263-6571

http:/www.imicorp.com

1/5/99

Rev. 1.6

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