PCA9546A_3 Datasheet, PDF (13/29 Pages) Texas Instruments – 4-CHANNEL I2C AND SMBus SWITCH WITH RESET FUNCTION

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PCA9546A
4-CHANNEL I²C AND SMBus SWITCH
WITH RESET FUNCTION
SCPS148E – OCTOBER 2005 – REVISED JANUARY 2008
APPLICATION INFORMATION
Figure 12 shows an application in which the PCA9546A can be used.
V_CC = 2.7 V to 5.5 V
V_CC = 3.3 V
16
SDA
I²C/SMBus _SCL
Master
15
SDA
14 _SCL
3 _RESET
4
SD0
SC0 ⁵
SD1 ⁶
SC1 ⁷
V_CC = 2.7 V to 5.5 V
See Note A
Channel 0
V_CC = 2.7 V to 5.5 V
See Note A
Channel 1
PCA9546A
SD2 ⁹
SC2 ¹⁰
13
A2
2 _A1
1 _A0
8 _GND
11
SD3
SC3 ¹²
V_CC = 2.7 V to 5.5 V
See Note A
Channel 2
V_CC = 2.7 V to 5.5 V
See Note A
Channel 3
A. Pin numbers shown are for the D, DGV, DW, PW, and RGY packages.
Figure 12. Typical Application
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Product Folder Link(s): PCA9546A
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