Datasheet

PCA9509 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 7 — 4 November 2014 4 of 24
NXP Semiconductors
PCA9509
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 SO8
Fig 4. Pin configuration for XQFN8
PCA9509DP
V
CC(A)
V
CC(B)
A1 B1
A2 B2
GND EN
002aac126
1
2
3
4
6
5
8
7
PCA9509D
V
CC(A)
V
CC(B)
A1 B1
A2
B2
GND EN
002aac127
1
2
3
4
6
5
8
7
DDD
3&$*0
7UDQVSDUHQWWRSYLHZ
WHUPLQDO
LQGH[DUHD



$
$
9
&&$



%
(1
%
*1'  9
&&%

Table 3. 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