PCA9544AD,112 NXP Semiconductors, PCA9544AD,112 Datasheet - Page 26

• Manufacturer Part Number: PCA9544AD,112
• Description: IC I2C MUX 4CH 20SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCA9544AD,112

• Applications: 4-Channel I²C Multiplexer
• Interface: I²C
• Voltage - Supply: 2.3 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Package / Case: 20-SOIC (7.5mm Width)
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935275899112; PCA9544AD; PCA9544AD

NXP Semiconductors
18. Contents
1
2
3
3.1
4
5
5.1
5.2
6
6.1
6.2
6.2.1
6.3
6.4
6.5
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 . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 6
Characteristics of the I
Application design-in information . . . . . . . . . 12
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 13
Static characteristics. . . . . . . . . . . . . . . . . . . . 14
Dynamic characteristics . . . . . . . . . . . . . . . . . 16
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 18
Soldering of SMD packages . . . . . . . . . . . . . . 21
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 24
Legal information. . . . . . . . . . . . . . . . . . . . . . . 25
Contact information. . . . . . . . . . . . . . . . . . . . . 25
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
Device addressing . . . . . . . . . . . . . . . . . . . . . . 6
Control register . . . . . . . . . . . . . . . . . . . . . . . . . 6
Control register definition . . . . . . . . . . . . . . . . . 6
Interrupt handling . . . . . . . . . . . . . . . . . . . . . . . 7
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 8
Voltage translation . . . . . . . . . . . . . . . . . . . . . . 8
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
START and STOP conditions . . . . . . . . . . . . . . 9
System configuration . . . . . . . . . . . . . . . . . . . . 9
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 10
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . 11
Introduction to soldering . . . . . . . . . . . . . . . . . 21
Wave and reflow soldering . . . . . . . . . . . . . . . 21
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 21
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 22
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 25
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2
C-bus. . . . . . . . . . . . . . 9
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: [e-mail]
4-channel I
2
C-bus multiplexer with interrupt logic
PCA9544A
Document identifier: PCA9544A_4
Date of release: 15 June 2009
All rights reserved.