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PCA9570DP Datasheet(PDF) 32 Page - NXP Semiconductors

Part # PCA9570DP
Description  Remote 4-bit general purpose outputs for 1 MHz I2C-bus
PDF  32 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9570DP Datasheet(HTML) 32 Page - NXP Semiconductors

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NXP Semiconductors
PCA9570
Remote 4-bit general purpose outputs for 1 MHz I2C-bus
© NXP Semiconductors N.V. 2014.
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: 17 September 2014
Document identifier: PCA9570
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
24. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
4.1
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
7
Functional description . . . . . . . . . . . . . . . . . . . 5
7.1
Device address . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.2
Software Reset Call, and device ID addresses 5
7.2.1
Software Reset . . . . . . . . . . . . . . . . . . . . . . . . . 6
7.2.2
Device ID (PCA9570 ID field) . . . . . . . . . . . . . . 7
8
I/O programming . . . . . . . . . . . . . . . . . . . . . . . . 8
8.1
I/O architecture . . . . . . . . . . . . . . . . . . . . . . . . . 8
8.2
Writing to the port (Output mode) . . . . . . . . . . . 8
8.3
Reading from a port (Input mode) . . . . . . . . . . 9
8.4
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 9
9
Application design-in information . . . . . . . . . 10
9.1
I/O expander applications . . . . . . . . . . . . . . . . 10
10
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 11
11
Thermal characteristics . . . . . . . . . . . . . . . . . 11
12
Static characteristics . . . . . . . . . . . . . . . . . . . . 12
12.1
Typical characteristics . . . . . . . . . . . . . . . . . . 13
13
Dynamic characteristics . . . . . . . . . . . . . . . . . 16
14
Power-on reset requirements . . . . . . . . . . . . . 17
15
Parameter measurement information . . . . . . 19
16
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 21
17
Handling information. . . . . . . . . . . . . . . . . . . . 24
18
Soldering of SMD packages . . . . . . . . . . . . . . 24
18.1
Introduction to soldering . . . . . . . . . . . . . . . . . 24
18.2
Wave and reflow soldering . . . . . . . . . . . . . . . 24
18.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 24
18.4
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 25
19
Soldering: PCB footprints. . . . . . . . . . . . . . . . 26
20
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 29
21
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 29
22
Legal information. . . . . . . . . . . . . . . . . . . . . . . 30
22.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 30
22.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
22.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
22.4
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 31
23
Contact information . . . . . . . . . . . . . . . . . . . . 31
24
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32



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