PCA8574APW,112 NXP Semiconductors, PCA8574APW,112 Datasheet - Page 27

• Manufacturer Part Number: PCA8574APW,112
• Description: IC I/O EXPANDER I2C 8B 16TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA8574APW,112

• Interface: I²C
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Includes: POR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-4237-5; 935283759112; PCA8574APW

NXP Semiconductors
21. Contents
1
2
3
4
5
6
6.1
6.2
7
7.1
7.1.1
8
8.1
8.2
8.3
8.4
8.5
9
9.1
9.1.1
9.2
9.3
10
10.1
10.2
11
12
13
14
15
16
16.1
16.2
16.2.1
16.2.2
16.3
16.3.1
16.3.2
16.3.3
16.4
17
18
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 6
I/O programming . . . . . . . . . . . . . . . . . . . . . . . . 7
Characteristics of the I
Application design-in information . . . . . . . . . 12
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 13
Static characteristics. . . . . . . . . . . . . . . . . . . . 14
Dynamic characteristics . . . . . . . . . . . . . . . . . 15
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 17
Handling information. . . . . . . . . . . . . . . . . . . . 21
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 25
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
Device address . . . . . . . . . . . . . . . . . . . . . . . . . 6
Address maps. . . . . . . . . . . . . . . . . . . . . . . . . . 6
Quasi-bidirectional I/O architecture . . . . . . . . . 7
Writing to the port (Output mode) . . . . . . . . . . . 7
Reading from a port (Input mode) . . . . . . . . . . 8
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 9
Interrupt output (INT) . . . . . . . . . . . . . . . . . . . . 9
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
START and STOP conditions . . . . . . . . . . . . . 10
System configuration . . . . . . . . . . . . . . . . . . . 10
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 11
Bidirectional I/O expander applications . . . . . 12
High current-drive load applications . . . . . . . . 12
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Through-hole mount packages . . . . . . . . . . . . 21
Soldering by dipping or by solder wave . . . . . 21
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 21
Surface mount packages . . . . . . . . . . . . . . . . 21
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 21
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 23
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 23
Package related soldering information . . . . . . 23
2
C-bus. . . . . . . . . . . . . 10
Remote 8-bit I/O expander for I
19
19.1
19.2
19.3
19.4
20
21
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. 2007.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Legal information . . . . . . . . . . . . . . . . . . . . . . 26
Contact information . . . . . . . . . . . . . . . . . . . . 26
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 26
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 26
PCA8574/74A
Document identifier: PCA8574_PCA8574A_2
2
C-bus with interrupt
Date of release: 14 May 2007
All rights reserved.