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PCA8574ATS датащи(PDF) 4 Page - NXP Semiconductors

номер детали PCA8574ATS
подробное описание детали  Remote 8-bit I/O expander for I2C-bus with interrupt
PDF  27 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA8574ATS датащи(HTML) 4 Page - NXP Semiconductors

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PCA8574_PCA8574A_2
© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 14 May 2007
4 of 27
NXP Semiconductors
PCA8574/74A
Remote 8-bit I/O expander for I2C-bus with interrupt
6.2 Pin description
Fig 5.
Pin configuration for TSSOP16
Fig 6.
Pin configuration for SSOP20
PCA8574PW
PCA8574APW
AD0
VDD
AD1
SDA
AD2
SCL
P0
INT
P1
P7
P2
P6
P3
P5
VSS
P4
002aac941
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
PCA8574TS
PCA8574ATS
INT
P7
SCL
P6
n.c.
n.c.
SDA
P5
VDD
P4
AD0
VSS
AD1
P3
n.c.
n.c.
AD2
P2
P0
P1
002aac680
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
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



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