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PCF8574P Datasheet(PDF) 2 Page - NXP Semiconductors

Part # PCF8574P
Description  Remote 8-bit I/O expander for I2C-bus
PDF  24 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF8574P Datasheet(HTML) 2 Page - NXP Semiconductors

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



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