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PCA9674A Datasheet(PDF) 5 Page - NXP Semiconductors

Part # PCA9674A
Description  Remote 8-bit I/O expander for Fm I2C-bus with interrupt
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCA9674A Datasheet(HTML) 5 Page - NXP Semiconductors

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PCA9674_PCA9674A_2
© NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 12 October 2006
5 of 34
NXP Semiconductors
PCA9674/74A
Remote 8-bit I/O expander for Fm+ I2C-bus with interrupt
6.2 Pin description
Table 2.
Pin description for DIP16, SO16, TSSOP16
Symbol
Pin
Description
AD0
1
address input 0
AD1
2
address input 1
AD2
3
address input 2
P0
4
quasi-bidirectional I/O 0
P1
5
quasi-bidirectional I/O 1
P2
6
quasi-bidirectional I/O 2
P3
7
quasi-bidirectional I/O 3
VSS
8
supply ground
P4
9
quasi-bidirectional I/O 4
P5
10
quasi-bidirectional I/O 5
P6
11
quasi-bidirectional I/O 6
P7
12
quasi-bidirectional I/O 7
INT
13
interrupt output (active LOW)
SCL
14
serial clock line
SDA
15
serial data line
VDD
16
supply voltage
Table 3.
Pin description for SSOP20
Symbol
Pin
Description
INT
1
interrupt output (active LOW)
SCL
2
serial clock line
n.c.
3
not connected
SDA
4
serial data line
VDD
5
supply voltage
AD0
6
address input 0
AD1
7
address input 1
n.c.
8
not connected
AD2
9
address input 2
P0
10
quasi-bidirectional I/O 0
P1
11
quasi-bidirectional I/O 1
P2
12
quasi-bidirectional I/O 2
n.c.
13
not connected
P3
14
quasi-bidirectional I/O 3
VSS
15
supply ground
P4
16
quasi-bidirectional I/O 4
P5
17
quasi-bidirectional I/O 5
n.c.
18
not connected
P6
19
quasi-bidirectional I/O 6
P7
20
quasi-bidirectional I/O 7


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