Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

PCA8574ATS Datasheet(PDF) 27 Page - NXP Semiconductors

Part # PCA8574ATS
Description  Remote 8-bit I/O expander for I2C-bus with interrupt
PDF  27 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA8574ATS Datasheet(HTML) 27 Page - NXP Semiconductors

Back Button PCA8574ATS Datasheet HTML 19Page - NXP Semiconductors PCA8574ATS Datasheet HTML 20Page - NXP Semiconductors PCA8574ATS Datasheet HTML 21Page - NXP Semiconductors PCA8574ATS Datasheet HTML 22Page - NXP Semiconductors PCA8574ATS Datasheet HTML 23Page - NXP Semiconductors PCA8574ATS Datasheet HTML 24Page - NXP Semiconductors PCA8574ATS Datasheet HTML 25Page - NXP Semiconductors PCA8574ATS Datasheet HTML 26Page - NXP Semiconductors PCA8574ATS Datasheet HTML 27Page - NXP Semiconductors  
Zoom Inzoom in Zoom Outzoom out
 27 / 27 page
background image
NXP Semiconductors
PCA8574/74A
Remote 8-bit I/O expander for I2C-bus with interrupt
© NXP B.V. 2007.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 14 May 2007
Document identifier: PCA8574_PCA8574A_2
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
21. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
7
Functional description . . . . . . . . . . . . . . . . . . . 6
7.1
Device address . . . . . . . . . . . . . . . . . . . . . . . . . 6
7.1.1
Address maps. . . . . . . . . . . . . . . . . . . . . . . . . . 6
8
I/O programming . . . . . . . . . . . . . . . . . . . . . . . . 7
8.1
Quasi-bidirectional I/O architecture . . . . . . . . . 7
8.2
Writing to the port (Output mode) . . . . . . . . . . . 7
8.3
Reading from a port (Input mode) . . . . . . . . . . 8
8.4
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 9
8.5
Interrupt output (INT) . . . . . . . . . . . . . . . . . . . . 9
9
Characteristics of the I2C-bus. . . . . . . . . . . . . 10
9.1
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
9.1.1
START and STOP conditions . . . . . . . . . . . . . 10
9.2
System configuration . . . . . . . . . . . . . . . . . . . 10
9.3
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 11
10
Application design-in information . . . . . . . . . 12
10.1
Bidirectional I/O expander applications . . . . . 12
10.2
High current-drive load applications . . . . . . . . 12
11
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 13
12
Static characteristics. . . . . . . . . . . . . . . . . . . . 14
13
Dynamic characteristics . . . . . . . . . . . . . . . . . 15
14
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 17
15
Handling information. . . . . . . . . . . . . . . . . . . . 21
16
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
16.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 21
16.2
Through-hole mount packages . . . . . . . . . . . . 21
16.2.1
Soldering by dipping or by solder wave . . . . . 21
16.2.2
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 21
16.3
Surface mount packages . . . . . . . . . . . . . . . . 21
16.3.1
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 21
16.3.2
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 23
16.3.3
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 23
16.4
Package related soldering information . . . . . . 23
17
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 25
18
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 25
19
Legal information . . . . . . . . . . . . . . . . . . . . . . 26
19.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 26
19.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
19.3
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 26
19.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 26
20
Contact information . . . . . . . . . . . . . . . . . . . . 26
21
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com