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PCA9525 View Datasheet(PDF) - NXP Semiconductors.

Part Name
Description
Manufacturer
PCA9525
NXP
NXP Semiconductors. NXP
PCA9525 Datasheet PDF : 22 Pages
First Prev 21 22
NXP Semiconductors
19. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
7
Functional description . . . . . . . . . . . . . . . . . . . 3
7.1
VDD, VSS — supply pins . . . . . . . . . . . . . . . . . . 3
7.2
SCL_IN, SCL_OUT — clock signal inputs/
outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7.3
SDA_IN, SDA_OUT — data signal inputs/
outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
7.4
Enable (EN) — activate buffer operations . . . . 4
7.5
Direction (DIR) — clock buffer direction
control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
8
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 5
9
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 5
9.1
Bidirectional data buffer . . . . . . . . . . . . . . . . . . 7
9.2
Operating conditions. . . . . . . . . . . . . . . . . . . . . 9
10
Application information. . . . . . . . . . . . . . . . . . 10
10.1
Design considerations . . . . . . . . . . . . . . . . . . 10
11
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 14
12
Handling information. . . . . . . . . . . . . . . . . . . . 16
13
Soldering of SMD packages . . . . . . . . . . . . . . 16
13.1
Introduction to soldering . . . . . . . . . . . . . . . . . 16
13.2
Wave and reflow soldering . . . . . . . . . . . . . . . 16
13.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 17
13.4
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 17
14
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 18
15
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
16
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 19
17
Legal information. . . . . . . . . . . . . . . . . . . . . . . 20
17.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 20
17.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
17.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
17.4
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 21
18
Contact information. . . . . . . . . . . . . . . . . . . . . 21
19
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
PCA9525
Simple 2-wire bus buffer
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. 2011.
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: 25 February 2011
Document identifier: PCA9525

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