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PCA9554DB Datasheet(PDF) 35 Page - NXP Semiconductors

Part # PCA9554DB
Description  8-bit I2C-bus and SMBus I/O port with interrupt
PDF  35 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9554DB Datasheet(HTML) 35 Page - NXP Semiconductors

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NXP Semiconductors
PCA9554; PCA9554A
8-bit I2C-bus and SMBus I/O port with interrupt
© NXP B.V. 2013.
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: 19 March 2013
Document identifier: PCA9554_9554A
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
19. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
3.1
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2
4
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
5.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6
6
Functional description . . . . . . . . . . . . . . . . . . . 6
6.1
Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
6.1.1
Command byte . . . . . . . . . . . . . . . . . . . . . . . . . 6
6.1.2
Register 0 - Input Port register . . . . . . . . . . . . . 7
6.1.3
Register 1 - Output Port register. . . . . . . . . . . . 7
6.1.4
Register 2 - Polarity Inversion register . . . . . . . 8
6.1.5
Register 3 - Configuration register . . . . . . . . . . 8
6.2
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 8
6.3
Interrupt output . . . . . . . . . . . . . . . . . . . . . . . . . 9
6.4
I/O port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6.5
Device address . . . . . . . . . . . . . . . . . . . . . . . . 10
6.6
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . 10
7
Application design-in information . . . . . . . . . 12
8
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 12
9
Static characteristics . . . . . . . . . . . . . . . . . . . . 13
10
Dynamic characteristics . . . . . . . . . . . . . . . . . 14
11
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 16
12
Handling information. . . . . . . . . . . . . . . . . . . . 22
13
Soldering of SMD packages . . . . . . . . . . . . . . 22
13.1
Introduction to soldering . . . . . . . . . . . . . . . . . 22
13.2
Wave and reflow soldering . . . . . . . . . . . . . . . 22
13.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 22
13.4
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 23
14
Soldering: PCB footprints. . . . . . . . . . . . . . . . 25
15
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 31
16
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 32
17
Legal information. . . . . . . . . . . . . . . . . . . . . . . 33
17.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 33
17.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
17.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
17.4
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 34
18
Contact information. . . . . . . . . . . . . . . . . . . . . 34
19
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35



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