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PCA9554DB Datasheet(PDF) 30 Page - NXP Semiconductors |
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PCA9554DB Datasheet(HTML) 30 Page - NXP Semiconductors |
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30 / 30 page ![]() NXP Semiconductors PCA9554/PCA9554A 8-bit I2C-bus and SMBus I/O port with interrupt © NXP B.V. 2006. 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: 13 November 2006 Document identifier: PCA9554_9554A_7 Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. 18. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 4 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5 Pinning information . . . . . . . . . . . . . . . . . . . . . . 4 5.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 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. . . . . . . . . . . . . . . . . . . . 23 13 Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 13.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 23 13.2 Through-hole mount packages . . . . . . . . . . . . 23 13.2.1 Soldering by dipping or by solder wave . . . . . 23 13.2.2 Manual soldering . . . . . . . . . . . . . . . . . . . . . . 23 13.3 Surface mount packages . . . . . . . . . . . . . . . . 23 13.3.1 Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 23 13.3.2 Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 25 13.3.3 Manual soldering . . . . . . . . . . . . . . . . . . . . . . 25 13.4 Package related soldering information . . . . . . 25 14 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 27 15 Revision history . . . . . . . . . . . . . . . . . . . . . . . . 28 16 Legal information. . . . . . . . . . . . . . . . . . . . . . . 29 16.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 29 16.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 16.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 16.4 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 17 Contact information. . . . . . . . . . . . . . . . . . . . . 29 18 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 |
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