Datasheet

PCA9509P All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3 — 19 July 2013 4 of 25
NXP Semiconductors
PCA9509P
Low power level translating I
2
C-bus/SMBus repeater
5. Pinning information
5.1 Pinning
5.2 Pin description
[1] Port A and port B can be used for either SCL or SDA.
Fig 2. Pin configuration for TSSOP8 Fig 3. Pin configuration for XQFN8
PCA9509PDP
V
CC(A)
V
CC(B)
A1 B1
A2 B2
GND EN
002aag172
1
2
3
4
6
5
8
7
002aag174
PCA9509PGM
Transparent top view
terminal 1
index area
2
3
1
A1
A2
V
CC(A)
6
5
7
B2
EN
B1
4GND 8 V
CC(B)
Table 4. Pin description
Symbol Pin Description
V
CC(A)
1 port A power supply
A1
[1]
2 port A (lower voltage side)
A2
[1]
3 port A (lower voltage side)
GND 4 ground (0 V)
EN 5 enable input (active HIGH)
B2
[1]
6 port B (SMBus/I
2
C-bus side)
B1
[1]
7 port B (SMBus/I
2
C-bus side)
V
CC(B)
8 port B power supply