PCF8574P datasheet(2/24 Pages) PHILIPS

부품명	PCF8574P

상세설명	Remote 8-bit I/O expander for I2C-bus

PDF	24 Pages

Scroll/Zoom	100%

제조업체	PHILIPS [NXP Semiconductors]

홈페이지	http://www.nxp.com

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2 / 24 page

1997 Apr 02

Philips Semiconductors

Product speciﬁcation

Remote 8-bit I/O expander for I2C-bus

PCF8574

CONTENTS

FEATURES

GENERAL DESCRIPTION

ORDERING INFORMATION

BLOCK DIAGRAM

PINNING

CHARACTERISTICS OF THE I2C-BUS

6.1

Bit transfer

6.2

Start and stop conditions

6.3

System configuration

6.4

Acknowledge

FUNCTIONAL DESCRIPTION

7.1

Addressing

7.2

Interrupt

7.3

Quasi-bidirectional I/Os

LIMITING VALUES

HANDLING

DC CHARACTERISTICS

I2C-BUS TIMING CHARACTERISTICS

PACKAGE OUTLINES

SOLDERING

13.1

Introduction

13.2

DIP

13.2.1

Soldering by dipping or by wave

13.2.2

Repairing soldered joints

13.3

SO and SSOP

13.3.1

Reflow soldering

13.3.2

Wave soldering

13.3.3

Repairing soldered joints

DEFINITIONS

LIFE SUPPORT APPLICATIONS

PURCHASE OF PHILIPS I2C COMPONENTS

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