PCA9500 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2017. All rights reserved.
Product data sheet Rev. 4.1 — 5 May 2017 28 of 29
NXP Semiconductors
PCA9500
8-bit I
2
C-bus and SMBus I/O port with 2-kbit EEPROM
Export control — This document as well as the item(s) described herein
may be subject to export control regulations. Export might require a prior
authorization from competent authorities.
Quick reference data — The Quick reference data is an extract of the
product data given in the Limiting values and Characteristics sections of this
document, and as such is not complete, exhaustive or legally binding.
Non-automotive qualified products — Unless this data sheet expressly
states that this specific NXP Semiconductors product is automotive qualified,
the product is not suitable for automotive use. It is neither qualified nor tested
in accordance with automotive testing or application requirements. NXP
Semiconductors accepts no liability for inclusion and/or use of
non-automotive qualified products in automotive equipment or applications.
In the event that customer uses the product for design-in and use in
automotive applications to automotive specifications and standards, customer
(a) shall use the product without NXP Semiconductors’ warranty of the
product for such automotive applications, use and specifications, and (b)
whenever customer uses the product for automotive applications beyond
NXP Semiconductors’ specifications such use shall be solely at customer’s
own risk, and (c) customer fully indemnifies NXP Semiconductors for any
liability, damages or failed product claims resulting from customer design and
use of the product for automotive applications beyond NXP Semiconductors’
standard warranty and NXP Semiconductors’ product specifications.
Translations — A non-English (translated) version of a document is for
reference only. The English version shall prevail in case of any discrepancy
between the translated and English versions.
17.4 Trademarks
Notice: All referenced brands, product names, service names and trademarks
are the property of their respective owners.
I
2
C-bus — logo is a trademark of NXP Semiconductors N.V.
18. Contact information
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
NXP Semiconductors
PCA9500
8-bit I
2
C-bus and SMBus I/O port with 2-kbit EEPROM
© NXP Semiconductors N.V. 2017. All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 5 May 2017
Document identifier: PCA9500
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
19. Contents
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4 Ordering information. . . . . . . . . . . . . . . . . . . . . 3
4.1 Ordering options. . . . . . . . . . . . . . . . . . . . . . . . 3
5 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6 Pinning information. . . . . . . . . . . . . . . . . . . . . . 5
6.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
7 Functional description . . . . . . . . . . . . . . . . . . . 7
7.1 Device addressing . . . . . . . . . . . . . . . . . . . . . . 7
7.2 Control register. . . . . . . . . . . . . . . . . . . . . . . . . 7
7.3 I/O operations . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7.3.1 Quasi-bidirectional I/Os . . . . . . . . . . . . . . . . . . 9
7.4 Memory operations. . . . . . . . . . . . . . . . . . . . . . 9
7.4.1 Write operations . . . . . . . . . . . . . . . . . . . . . . . . 9
7.4.1.1 Byte write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
7.4.1.2 Page write. . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7.4.2 Read operations . . . . . . . . . . . . . . . . . . . . . . . 10
7.4.2.1 Current address read . . . . . . . . . . . . . . . . . . . 10
7.4.2.2 Random read . . . . . . . . . . . . . . . . . . . . . . . . . 11
7.4.2.3 Sequential read . . . . . . . . . . . . . . . . . . . . . . . 11
8 Characteristics of the I
2
C-bus . . . . . . . . . . . . 12
8.1 Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
8.1.1 START and STOP conditions . . . . . . . . . . . . . 12
8.2 System configuration . . . . . . . . . . . . . . . . . . . 13
8.3 Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 13
9 Application design-in information . . . . . . . . . 14
10 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 15
11 Static characteristics. . . . . . . . . . . . . . . . . . . . 16
12 Dynamic characteristics . . . . . . . . . . . . . . . . . 18
13 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 20
14 Soldering of SMD packages . . . . . . . . . . . . . . 23
14.1 Introduction to soldering . . . . . . . . . . . . . . . . . 23
14.2 Wave and reflow soldering . . . . . . . . . . . . . . . 23
14.3 Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 23
14.4 Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 24
15 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 25
16 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 26
17 Legal information. . . . . . . . . . . . . . . . . . . . . . . 27
17.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 27
17.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
17.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 27
17.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
18 Contact information . . . . . . . . . . . . . . . . . . . . 28
19 Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

PCA9500PW,112

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
Interface - I/O Expanders I/O EXPANDER W/2K EE
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union