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PCA9557 Datasheet(PDF) 5 Page - NXP Semiconductors

Part # PCA9557
Description  8-bit I2C-bus and SMBus I/O port with reset
PDF  26 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9557 Datasheet(HTML) 5 Page - NXP Semiconductors

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PCA9557
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 06 — 11 June 2008
5 of 26
NXP Semiconductors
PCA9557
8-bit I2C-bus and SMBus I/O port with reset
5.
Pinning information
5.1 Pinning
5.2 Pin description
Fig 4.
Pin configuration for SO16
Fig 5.
Pin configuration for TSSOP16
Fig 6.
Pin configuration for HVQFN16
PCA9557D
SCL
VDD
SDA
RESET
A0
IO7
A1
IO6
A2
IO5
IO0
IO4
IO1
IO3
VSS
IO2
002aad272
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
IO7
IO6
IO5
IO4
IO3
IO2
SCL
SDA
A0
A1
A2
IO0
IO1
VSS
PCA9557PW
002aad273
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
VDD
RESET
002aad274
PCA9557BS
Transparent top view
IO0
IO4
A2
IO5
A1
IO6
A0
IO7
4
9
3
10
2
11
1
12
terminal 1
index area
Table 3.
Pin description
Symbol
Pin
Description
SO16, TSSOP16
HVQFN16
SCL
1
15
serial clock line
SDA
2
16
serial data line
A0
3
1
address input 0
A1
4
2
address input 1
A2
5
3
address input 2
IO0
6
4
input/output 0 (open-drain)
IO1
7
5
input/output 1



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