NXP Semiconductors
PCA9605
Simple 2-wire bus buffer
© 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: 28 February 2011
Document identifier: PCA9605
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. . . . . . . . . . . . . . . . . . . . . 2
5 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6 Pinning information. . . . . . . . . . . . . . . . . . . . . . 3
6.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
7 Functional description . . . . . . . . . . . . . . . . . . . 3
7.1 V
DD
, V
SS
— 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

PCA9605D,118

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
IC REDRIVER I2C 1CH 400KHZ 8SO
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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