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PCA9547 Datasheet(PDF) 26 Page - Texas Instruments |
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PCA9547 Datasheet(HTML) 26 Page - Texas Instruments |
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26 / 26 page ![]() Philips Semiconductors PCA9547 8-channel I2C-bus multiplexer with reset © Koninklijke Philips Electronics N.V. 2006. All rights reserved. For more information, please visit: http://www.semiconductors.philips.com. For sales office addresses, email to: sales.addresses@www.semiconductors.philips.com. Date of release: 12 September 2006 Document identifier: PCA9547_2 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 3.1 Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2 4 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5 Pinning information . . . . . . . . . . . . . . . . . . . . . . 4 5.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5 6 Functional description . . . . . . . . . . . . . . . . . . . 6 6.1 Device addressing . . . . . . . . . . . . . . . . . . . . . . 6 6.2 Control register . . . . . . . . . . . . . . . . . . . . . . . . . 6 6.2.1 Control register definition . . . . . . . . . . . . . . . . . 6 6.3 RESET input . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6.4 Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 7 6.5 Voltage translation . . . . . . . . . . . . . . . . . . . . . . 8 7 Characteristics of the I2C-bus. . . . . . . . . . . . . . 9 7.1 Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7.1.1 START and STOP conditions . . . . . . . . . . . . . . 9 7.2 System configuration . . . . . . . . . . . . . . . . . . . 10 7.3 Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 10 7.4 Bus transactions . . . . . . . . . . . . . . . . . . . . . . . 11 8 Application design-in information . . . . . . . . . 12 9 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 13 10 Static characteristics. . . . . . . . . . . . . . . . . . . . 14 11 Dynamic characteristics . . . . . . . . . . . . . . . . . 16 12 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 18 13 Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 13.1 Introduction to soldering surface mount packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 13.2 Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 21 13.3 Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 21 13.4 Manual soldering . . . . . . . . . . . . . . . . . . . . . . 22 13.5 Package related soldering information . . . . . . 22 14 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 23 15 Revision history . . . . . . . . . . . . . . . . . . . . . . . . 24 16 Legal information. . . . . . . . . . . . . . . . . . . . . . . 25 16.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 25 16.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 16.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 16.4 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 17 Contact information. . . . . . . . . . . . . . . . . . . . . 25 18 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 |
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