Datasheet

PCA9545A_45B_45C All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 9 — 5 May 2014 4 of 32
NXP Semiconductors
PCA9545A/45B/45C
4-channel I
2
C-bus switch with interrupt logic and reset
5. Pinning information
5.1 Pinning
Fig 2. Pin configuration for SO20 Fig 3. Pin configuration for TSSOP20
Fig 4. Pin configuration for HVQFN20 (transparent top view)
PCA9545AD
A0 V
DD
A1 SDA
RESET SCL
INT0 INT
SD0 SC3
SC0 SD3
INT1 INT3
SD1 SC2
SC1 SD2
V
SS
INT2
002aab165
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
V
DD
SDA
SCL
INT
SC3
SD3
INT3
SC2
SD2
INT2
A0
A1
RESET
INT0
SD0
SC0
INT1
SD1
SC1
V
SS
PCA9545APW
PCA9545BPW
PCA9545CPW
002aab166
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
V
DD
SDA SCL
INT
SC3
SD3
INT3
SC2
A0 A1
RESET
INT0
SD0
SC0
INT1
SD1 SC1
V
SS
002aab167
PCA9545ABS
Transparent top view
5 11
4 12
3 13
2 14
1 15
6 7 8 9
10
20 19 18 17 16
terminal 1
index area
SD2
INT2