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PCA9547 Datasheet(PDF) 26 Page - Texas Instruments

Part # PCA9547
Description  8-channel I2C-bus multiplexer with reset
PDF  26 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCA9547 Datasheet(HTML) 26 Page - Texas Instruments

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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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