PCA9541PW/01,118 NXP Semiconductors, PCA9541PW/01,118 Datasheet - Page 41

IC I2C 2:1 SELECTOR 16-TSSOP

PCA9541PW/01,118

Manufacturer Part Number
PCA9541PW/01,118
Description
IC I2C 2:1 SELECTOR 16-TSSOP
Manufacturer
NXP Semiconductors
Datasheet

Specifications of PCA9541PW/01,118

Package / Case
16-TSSOP
Applications
2-Channel I²C Multiplexer
Interface
I²C, SMBus
Voltage - Supply
2.3 V ~ 5.5 V
Mounting Type
Surface Mount
Logic Family
PCA9541
Operating Supply Voltage
2.3 V to 5.5 V
Power Dissipation
400 mW
Operating Temperature Range
- 40 C to + 85 C
Input Voltage
7 V
Logic Type
I2C Bus
Maximum Clock Frequency
400 KHz
Mounting Style
SMD/SMT
Output Current
25 mA
Output Voltage
2.3 V to 5.5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
568-3615 - DEMO BOARD I2C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
568-1852-2
935273297118
PCA9541PW/01-T
NXP Semiconductors
21. Contents
1
2
3
4
5
6
7
7.1
7.2
8
8.1
8.2
8.3
8.3.1
8.3.2
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.5
8.6
8.7
9
9.1
9.2
9.3
9.4
9.5
10
10.1
10.2
10.3
10.4
10.5
11
12
13
14
15
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 3
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
Functional description . . . . . . . . . . . . . . . . . . . 7
Characteristics of the I
Application design-in information . . . . . . . . . 24
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 28
Static characteristics. . . . . . . . . . . . . . . . . . . . 28
Dynamic characteristics . . . . . . . . . . . . . . . . . 30
Test information . . . . . . . . . . . . . . . . . . . . . . . . 32
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 33
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6
Device address . . . . . . . . . . . . . . . . . . . . . . . . . 7
Command Code . . . . . . . . . . . . . . . . . . . . . . . . 7
Interrupt Enable and Control registers
description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Register 0: Interrupt Enable (IE) register
(B1:B0 = 00b) . . . . . . . . . . . . . . . . . . . . . . . . . 10
Register 1: Control Register (B1:B0 = 01b) . . 11
Interrupt Status registers . . . . . . . . . . . . . . . . 15
Bus control lost interrupt . . . . . . . . . . . . . . . . . 15
Recovery/initialization interrupt. . . . . . . . . . . . 15
Downstream interrupt . . . . . . . . . . . . . . . . . . . 16
Functional test interrupt . . . . . . . . . . . . . . . . . 16
Register 2: Interrupt Status Register
(B1:B0 = 10b) . . . . . . . . . . . . . . . . . . . . . . . . . 16
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . 17
External reset . . . . . . . . . . . . . . . . . . . . . . . . . 18
Voltage translation . . . . . . . . . . . . . . . . . . . . . 18
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
START and STOP conditions . . . . . . . . . . . . . 19
System configuration . . . . . . . . . . . . . . . . . . . 20
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 20
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . 21
Specific applications . . . . . . . . . . . . . . . . . . . . 24
High reliability systems . . . . . . . . . . . . . . . . . . 25
Masters with shared resources. . . . . . . . . . . . 26
Gatekeeper multiplexer . . . . . . . . . . . . . . . . . . 26
Bus initialization/recovery to initialize
slaves without hardware reset . . . . . . . . . . . . 27
2
C-bus. . . . . . . . . . . . . 19
2-to-1 I
2
C-bus master selector with interrupt logic and reset
16
16.1
16.2
16.3
16.4
17
18
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. 2009.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Soldering of SMD packages . . . . . . . . . . . . . . 36
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 38
Revision history . . . . . . . . . . . . . . . . . . . . . . . 39
Legal information . . . . . . . . . . . . . . . . . . . . . . 40
Contact information . . . . . . . . . . . . . . . . . . . . 40
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Introduction to soldering. . . . . . . . . . . . . . . . . 36
Wave and reflow soldering . . . . . . . . . . . . . . . 36
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 36
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 37
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 40
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Document identifier: PCA9541_7
PCA9541
Date of release: 2 July 2009
All rights reserved.

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