pca9541a NXP Semiconductors, pca9541a Datasheet - Page 6

• Manufacturer Part Number: pca9541a
• Description: 2-to-1 I2c-bus Master Selector With Interrupt Logic And Reset
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCA9541A_3
Product data sheet
7.2 Pin description
Table 3.
[1]
Symbol
INT0
SDA_MST0
SCL_MST0
RESET
SCL_MST1
SDA_MST1
INT1
V
A0
A1
A2
A3
SCL_SLAVE
SDA_SLAVE
INT_IN
V
SS
DD
HVQFN16 package die supply ground is connected to both the V
V
and board-level performance, the exposed pad needs to be soldered to the board using a corresponding
thermal pad on the board, and for proper heat conduction through the board thermal vias need to be
incorporated in the printed-circuit board in the thermal pad region.
SS
pin must be connected to supply ground for proper device operation. For enhanced thermal, electrical,
Pin description
Pin
SO16,
TSSOP16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Rev. 03 — 16 July 2009
2-to-1 I
HVQFN16
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
[1]
2
C-bus master selector with interrupt logic and reset
Description
active LOW interrupt output 0 (external pull-up required)
serial data master 0 (external pull-up required)
serial clock master 0 (external pull-up required)
active LOW reset input (external pull-up required)
serial clock master 1 (external pull-up required)
serial data master 1 (external pull-up required)
active LOW interrupt output 1 (external pull-up required)
supply ground
address input 0 (externally held to V
address input 1 (externally held to V
address input 2 (externally held to V
address input 3 (externally held to V
serial clock slave (external pull-up required)
serial data slave (external pull-up required)
active LOW interrupt input (external pull-up required)
supply voltage
SS
pin and the exposed center pad. The
PCA9541A
SS
SS
SS
SS
© NXP B.V. 2009. All rights reserved.
or V
or V
or V
or V
DD
DD
DD
DD
)
)
)
)
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