DS1086 Dallas Semiconductor, DS1086 Datasheet

DS1086

Manufacturer Part Number

DS1086

Description

Manufacturer

Dallas Semiconductor

Datasheets

1.DS1086.pdf (14 pages)

2.DS1086.pdf (14 pages)

Specifications of DS1086

Case

SOP8

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Current page: 1 of 14
Download datasheet (256Kb)

The DS1086 EconOscillator™ is a programmable clock

generator that produces a spread-spectrum (dithered)

square-wave output of frequencies from 260kHz to

133MHz. The selectable dithered output reduces radi-

ated-emission peaks by dithering the frequency 2% or

4% below the programmed frequency. The DS1086 has

a power-down mode and an output-enable control for

power-sensitive applications. All the device settings are

stored in nonvolatile (NV) EEPROM memory allowing it

to operate in stand-alone applications.

Rev 1; 9/03

EconOscillator is a trademark of Dallas Semiconductor.

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.

*SDA AND SCL CAN BE CONNECTED DIRECTLY HIGH IF THE DS1086 NEVER NEEDS

TO BE PROGRAMMED IN-CIRCUIT, INCLUDING DURING PRODUCTION TESTING.

PROCESSOR

XTL1/OSC1

XTL2/OSC2

MICRO-

Printers

Copiers

PCs

Computer Peripherals

Cell Phones

Cable Modems

DITHERED 260kHz TO

133MHz OUTPUT

DECOUPLING CAPACITORS

N.C.

Typical Operating Circuit

DS1086 Spread-Spectrum EconOscillator

(0.1µF and 0.01µF)

General Description

OUT

SPRD

GND

DS1086

Applications

______________________________________________ Maxim Integrated Products

SDA*

SCL*

PDN

♦ User-Programmable Square-Wave Generator

♦ Frequencies Programmable from 260kHz to

♦ 2% or 4% Selectable Dithered Output

♦ Glitchless Output-Enable Control

♦ 2-Wire Serial Interface

♦ Nonvolatile Settings

♦ 5V Supply

♦ No External Timing Components Required

♦ Power-Down Mode

♦ 10kHz Master Frequency Step Size

♦ EMI Reduction

DS1086U*

DS1086Z

Future Product

133MHz

TOP VIEW

PART

SPRD

GND

OUT

Ordering Information

PIN-PACKAGE

8 µSOP (118mil)

8 SO (150mil)

µSOP/SO

DS1086

Pin Configuration

SCL

SDA

PDN

Features

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