pca9557bs NXP Semiconductors, pca9557bs Datasheet - Page 5

• Manufacturer Part Number: pca9557bs
• Description: 8-bit I2c And Smbus I/0 Port With Reset
• Manufacturer: NXP Semiconductors

NXP Semiconductors
5. Pinning information
PCA9557_5
Product data sheet
5.1 Pinning
5.2 Pin description
Table 3.
Symbol
SCL
SDA
A0
A1
A2
IO0
IO1
Fig 4. Pin configuration for SO16
Fig 6. Pin configuration for HVQFN16
SDA
SCL
V
IO0
IO1
A0
A1
A2
SS
Pin description
1
2
3
4
5
6
7
8
PCA9557D
Pin
SO16, TSSOP16
1
2
3
4
5
6
7
Rev. 05 — 12 September 2007
002aad272
index area
terminal 1
16
15
14
13
12
11
10
9
IO0
A0
A1
A2
V
RESET
IO7
IO6
IO5
IO4
IO3
IO2
DD
1
2
3
4
HVQFN16
15
16
1
2
3
4
5
Transparent top view
PCA9557BS
8-bit I
Fig 5. Pin configuration for TSSOP16
Description
serial clock line
serial data line
address input 0
address input 1
address input 2
input/output 0 (open-drain)
input/output 1
2
SDA
SCL
V
IO0
IO1
C-bus and SMBus I/O port with reset
A0
A1
A2
SS
1
2
3
4
5
6
7
8
12
11
10
9
002aad274
IO7
IO6
IO5
IO4
PCA9557PW
002aad273
PCA9557
© NXP B.V. 2007. All rights reserved.
16
15
14
13
12
11
10
9
V
RESET
IO7
IO6
IO5
IO4
IO3
IO2
DD
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