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Philips

PCF8574 Datasheet Preview

PCF8574 Datasheet

Remote 8-bit I/O expander

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INTEGRATED CIRCUITS
DATA SHEET
PCF8574
Remote 8-bit I/O expander for
I2C-bus
Product speciļ¬cation
Supersedes data of 2002 Jul 29
2002 Nov 22




Philips

PCF8574 Datasheet Preview

PCF8574 Datasheet

Remote 8-bit I/O expander

No Preview Available !

Philips Semiconductors
Remote 8-bit I/O expander for I2C-bus
CONTENTS
1
2
3
4
5
5.1
5.2
6
6.1
6.2
6.3
6.4
7
7.1
7.2
7.3
8
9
10
11
12
13
13.1
13.2
13.2.1
13.2.2
13.3
13.3.1
13.3.2
13.3.3
13.4
14
15
16
17
FEATURES
GENERAL DESCRIPTION
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING
DIP16 and SO16 packages
SSOP20 package
CHARACTERISTICS OF THE I2C-BUS
Bit transfer
Start and stop conditions
System configuration
Acknowledge
FUNCTIONAL DESCRIPTION
Addressing
Interrupt output
Quasi-bidirectional I/Os
LIMITING VALUES
HANDLING
DC CHARACTERISTICS
I2C-BUS TIMING CHARACTERISTICS
PACKAGE OUTLINES
SOLDERING
Introduction
Through-hole mount packages
Soldering by dipping or by solder wave
Manual soldering
Surface mount packages
Reflow soldering
Wave soldering
Manual soldering
Suitability of IC packages for wave, reflow and
dipping soldering methods
DATA SHEET STATUS
DEFINITIONS
DISCLAIMERS
PURCHASE OF PHILIPS I2C COMPONENTS
2002 Nov 22
2
Product speciļ¬cation
PCF8574


Part Number PCF8574
Description Remote 8-bit I/O expander
Maker Philips
Total Page 24 Pages
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