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PCA9646 Datasheet(PDF) 3 Page - NXP Semiconductors

Part # PCA9646
Description  Buffered 4-channel 2-wire bus switch
PDF  22 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9646 Datasheet(HTML) 3 Page - NXP Semiconductors

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PCA9646
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 1 March 2011
3 of 22
NXP Semiconductors
PCA9646
Buffered 4-channel 2-wire bus switch
6.
Pinning information
6.1 Pinning
6.2 Pin description
Fig 2.
Pin configuration for SO16
Fig 3.
Pin configuration for TSSOP16
PCA9646D
A0
VDD
A1
SDA
RESET
SCL
SD0
A2
SC0
SC3
SD1
SD3
SC1
SC2
VSS
SD2
002aaf364
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
PCA9646PW
002aaf366
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
A0
VDD
A1
SDA
RESET
SCL
SD0
A2
SC0
SC3
SD1
SD3
SC1
SC2
VSS
SD2
Table 2.
Pin description
Symbol
Pin
Description
A0
1
address input 0
A1
2
address input 1
RESET
3
active LOW reset input
SD0
4
serial data 0
SC0
5
serial clock 0
SD1
6
serial data 1
SC1
7
serial clock 1
VSS
8
negative supply (ground)
SD2
9
serial data 2
SC2
10
serial clock 2
SD3
11
serial data 3
SC3
12
serial clock 3
A2
13
address input 2
SCL
14
serial clock line (normally input)
SDA
15
serial data line
VDD
16
positive supply



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