PCA9540BGD NXP [NXP Semiconductors], PCA9540BGD Datasheet - Page 22

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PCA9540BGD

Manufacturer Part Number
PCA9540BGD
Description
2-channel I2C-bus multiplexer
Manufacturer
NXP [NXP Semiconductors]
Datasheet

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NXP Semiconductors
18. Contents
1
2
3
4
5
5.1
5.2
6
6.1
6.2
6.2.1
6.3
6.4
7
7.1
7.2
7.3
7.4
7.5
8
9
10
11
12
13
13.1
13.2
13.3
13.4
14
15
16
16.1
16.2
16.3
16.4
17
18
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 4
Characteristics of the I
Application design-in information . . . . . . . . . . 8
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 9
Static characteristics. . . . . . . . . . . . . . . . . . . . 10
Dynamic characteristics . . . . . . . . . . . . . . . . . 12
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 14
Soldering of SMD packages . . . . . . . . . . . . . . 17
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 20
Legal information. . . . . . . . . . . . . . . . . . . . . . . 21
Contact information. . . . . . . . . . . . . . . . . . . . . 21
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
Device addressing . . . . . . . . . . . . . . . . . . . . . . 4
Control register . . . . . . . . . . . . . . . . . . . . . . . . . 4
Control register definition . . . . . . . . . . . . . . . . . 4
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 5
Voltage translation . . . . . . . . . . . . . . . . . . . . . . 5
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
START and STOP conditions . . . . . . . . . . . . . . 6
System configuration . . . . . . . . . . . . . . . . . . . . 7
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . . 8
Introduction to soldering . . . . . . . . . . . . . . . . . 17
Wave and reflow soldering . . . . . . . . . . . . . . . 17
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 17
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 18
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 21
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2
C-bus. . . . . . . . . . . . . . 6
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2009.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
2-channel I
PCA9540B
Date of release: 3 September 2009
Document identifier: PCA9540B_4
2
C-bus multiplexer
All rights reserved.

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