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PCF8574AT Datasheet(PDF) 2 Page - NXP Semiconductors

Part # PCF8574AT
Description  Remote 8-bit I/O expander for I2C-bus
Download  24 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF8574AT Datasheet(HTML) 2 Page - NXP Semiconductors

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1997 Apr 02
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
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
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
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
14
DEFINITIONS
15
LIFE SUPPORT APPLICATIONS
16
PURCHASE OF PHILIPS I2C COMPONENTS


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