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DS1087LU-202 PDF预览

DS1087LU-202

更新时间： 2024-11-29 22:23:03
品牌 Logo 应用领域
达拉斯 - DALLAS 振荡器
页数 文件大小 规格书
12页 154K
描述
3.3V Spread-Spectrum EconOscillator

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DS1087LU-202 技术参数

生命周期：TransferredReach Compliance Code：unknown
风险等级：5.57Is Samacsys：N
Base Number Matches：1

DS1087LU-202 数据手册

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Rev 1; 11/03  
3.3V Spread-Spectrum EconOscillator  
General Description  
Features  
The DS1087L is a clock generator that produces a  
spread-spectrum (dithered) square-wave output of fre-  
quencies from 130kHz to 66.6MHz. The DS1087L is  
shipped from the factory programmed at a specific fre-  
quency and spread-spectrum percentage. The user still  
has access to an internal frequency divider, selectable  
2% or 4% dithered output, and programmable output  
power-down/disable mode through a 2-wire program-  
ming interface. All the device settings are stored in non-  
volatile (NV) EEPROM allowing it to operate in  
stand-alone applications. The DS1087L has power-  
down and output-enable control pins for power-sensi-  
tive applications.  
♦ Factory Programmed Square-Wave Generator  
from 130kHz to 66.6MHz  
♦ No External Timing Components Required  
♦ EMI Reduction  
♦ 2.7V to 3.6V Supply  
♦ User Programmable Down to 130kHz with Divider  
(Dependent on Master Oscillator Frequency)  
♦ 2% or 4% Selectable Dithered Output  
♦ Glitchless Output-Enable Control  
♦ 2-Wire Serial Interface  
♦ Nonvolatile Settings  
Applications  
♦ Power-Down Mode  
Printers  
♦ Programmable Output Power-Down/Disable Mode  
Copiers  
PCs  
Computer Peripherals  
Cell Phones  
Cable Modems  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
DS1087LU-yxx  
-40°C to +85°C  
8 µSOP (118 mils)  
Standard Frequency Options  
Pin Configuration  
PART  
FREQUENCY (MHz)  
SPREAD (%)  
TOP VIEW  
DS1087LU-202  
DS1087LU-402  
DS1087LU-210  
DS1087LU-216  
DS1087LU-266  
DS1087LU-466  
DS1087LU-yxx  
2.0480  
2.0480  
10.0  
2
4
2
OUT  
1
2
3
4
8
7
6
5
SCL  
SDA  
PDN  
OE  
16.6  
2
2
SPRD  
66.6  
DS1087L  
66.6  
4
V
CC  
Fixed up to 66.6  
2 or 4  
GND  
Custom frequencies and over 20 standard frequencies avail-  
able, contact factory.  
µSOP (118 mils)  
EconOscillator is a trademark of Dallas Semiconductor.  
Typical Operating Circuits appear at end of data sheet.  
______________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...12

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