Datasheet > 251MI-18LFT

251MI-18LFT

更新时间： 2024-02-08 07:58:16

品牌	Logo	应用领域
艾迪悌 - IDT		时钟光电二极管外围集成电路晶体
页数	文件大小	规格书
10页	135K
描述
Clock Generator

阅读下载

获取价格

技术参数
数据手册

如果您发现信息不准确，欢迎纠错

251MI-18LFT 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	SOIC-8	Reach Compliance Code：	compliant
风险等级：	5.55	其他特性：	14MILLIAMP NOMINAL CURRENT IS AVAILABLE
JESD-30 代码：	R-PDSO-G8	长度：	4.9276 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：	200 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	主时钟/晶体标称频率：	150 MHz
座面最大高度：	1.72 mm	最大供电电压：	3.45 V
最小供电电压：	3.15 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：	1.27 mm	端子位置：	DUAL
宽度：	3.937 mm	uPs/uCs/外围集成电路类型：	CLOCK GENERATOR, OTHER
Base Number Matches：	1

251MI-18LFT 数据手册

Field Programmable SS VersaClock®

Synthesizer

ICS251

DATASHEET

Description

Features

The ICS251 is a low cost, single-output, field programmable

clock synthesizer. The ICS251 can generate an output

frequency from 314kHz to 200MHz and may employ Spread

Spectrum techniques to reduce system electro-magnetic

interference (EMI).

• 8-pin SOIC package

• Four addressable registers

• Input crystal frequency of 5 to 27MHz

• Clock input frequency of 3 to 150MHz

• Output clock frequencies up to 200MHz

• Configurable spread spectrum modulation

• Operating voltage of 3.3V

Using IDT’s VersaClock software to configure the PLL and

output, the ICS251 contains a One-Time Programmable

(OTP) ROM to allow field programmability. Programming

features include 4 selectable configuration registers.

• Replaces multiple crystals and oscillators

• Controllable output drive levels

• Advanced, low-power CMOS process

• RoHS compliant packaging

The device employs Phase-Locked Loop (PLL) techniques to

run from a standard fundamental mode, inexpensive crystal,

or clock. It can replace multiple crystals and oscillators,

saving board space and cost.

The device also has a power-down feature that tri-states the

clock outputs and turns off the PLLs when the PDTS pin is

taken low.

The ICS251 is also available in factory programmed custom

versions for high-volume applications.

Block Diagram

VDD

OTP ROM

with PLL

S1:0

Divider

Values

PLL Clock Synthesis,

Spread Spectrum and

Control Circuitry

CLK

Crystal or

clock input

X1/ICLK

Crystal

Oscillator

GND

External capacitors are

required with a crystal input.

PDTS (output and PLL)

ICS251 OCTOBER 10, 2017

12 3 4 5 6 7...10

下载PDF

与251MI-18LFT相关器件

型号	品牌	描述	获取价格	数据表
251MI-XX	IDT	Clock Generator, 200MHz, CMOS, PDSO8, 0.150 INCH, SOIC-8	获取价格
251MI-XXLF	IDT	Field Programmable SS VersaClock Synthesizer	获取价格
251MI-XXLFT	IDT	Field Programmable SS VersaClock Synthesizer	获取价格
251MI-XXT	IDT	Clock Generator, 200MHz, CMOS, PDSO8, 0.150 INCH, SOIC-8	获取价格
251M-XXLF	IDT	Clock Generator, 200MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8	获取价格
251M-XXLFT	IDT	Clock Generator, 200MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8	获取价格