PCA9545AD,112 NXP Semiconductors, PCA9545AD,112 Datasheet - Page 5

• Manufacturer Part Number: PCA9545AD,112
• Description: IC I2C SWITCH 4CH 20SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCA9545AD,112

• Applications: 4-Channel I²C Switcher
• Interface: I²C
• Voltage - Supply: 2.3 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Package / Case: 20-SOIC (7.5mm Width)
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935275808112; PCA9545AD; PCA9545AD

NXP Semiconductors
PCA9545A_45B_45C_7
Product data sheet
5.2 Pin description
Table 3.
[1]
Symbol
A0
A1
RESET
INT0
SD0
SC0
INT1
SD1
SC1
V
INT2
SD2
SC2
INT3
SD3
SC3
INT
SCL
SDA
V
SS
DD
HVQFN20 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 PCB in the thermal pad region.
SS
pin must be connected to supply ground for proper device operation. For enhanced thermal, electrical,
Pin description
Pin
SO20, TSSOP20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Rev. 07 — 19 June 2009
4-channel I
HVQFN20
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
[1]
2
Description
address input 0
address input 1
active LOW reset input
active LOW interrupt input 0
serial data 0
serial clock 0
active LOW interrupt input 1
serial data 1
serial clock 1
supply ground
active LOW interrupt input 2
serial data 2
serial clock 2
active LOW interrupt input 3
serial data 3
serial clock 3
active LOW interrupt output
serial clock line
serial data line
supply voltage
C-bus switch with interrupt logic and reset
PCA9545A/45B/45C
SS
pin and the exposed center pad. The
© NXP B.V. 2009. All rights reserved.
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