Datasheet
PCA9554_9554A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 9 — 19 March 2013 5 of 35
NXP Semiconductors
PCA9554; PCA9554A
8-bit I
2
C-bus and SMBus I/O port with interrupt
5. Pinning information
5.1 Pinning
Fig 2. Pin configuration for SO16 Fig 3. Pin configuration for SSOP16
Fig 4. Pin configuration for TSSOP16 Fig 5. Pin configuration for SSOP20
Fig 6. Pin configuration for HVQFN16
(SOT629-1)
Fig 7. Pin configuration for HVQFN16
(SOT758-1)
V
DD
SDA
SCL
INT
IO7
IO6
IO5
IO4
A0
A1
A2
IO0
IO1
IO2
IO3
V
SS
PCA9554D
PCA9554AD
002aac486
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
PCA9554DB
PCA9554ADB
002aac487
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
V
DD
SDA
SCL
INT
IO7
IO6
IO5
IO4
A0
A1
A2
IO0
IO1
IO2
IO3
V
SS
V
DD
SDA
SCL
INT
IO7
IO6
IO5
IO4
A0
A1
A2
IO0
IO1
IO2
IO3
V
SS
PCA9554PW
PCA9554PW/Q900
PCA9554APW
002aac488
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
PCA9554TS
PCA9554ATS
INT IO7
SCL IO6
n.c. n.c.
SDA IO5
V
DD
IO4
A0 V
SS
A1 IO3
n.c. n.c.
A2 IO2
IO0 IO1
002aac489
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
002aac490
PCA9554BS
PCA9554ABS
Transparent top view
IO2
IO6
IO1 IO7
IO0 INT
A2 SCL
IO3
V
SS
IO4
IO5
A1
A0
V
DD
SDA
4 9
3 10
2 11
1 12
5
6
7
8
16
15
14
13
terminal 1
index area
002aac491
PCA9554BS3
PCA9554ABS3
Transparent top view
IO2 IO6
IO1 IO7
IO0
A2 SCL
IO3
V
SS
IO4
IO5
A1
A0
V
DD
SDA
4 9
3 10
2 11
1 12
5
6
7
8
16
15
14
13
terminal 1
index area
INT