TCA9548A: tca9548A voltage levels

harish padmanabhan

Part Number: TCA9548A

Tool/software:

The Vol, Vih, Vil mentioned in the datasheets are for SCL and SDA lines which are the input for the ic, what is the VOL,VIH,VIL of SC0- SC7 and SD0-SD7 lines

6 months ago

0 Rami Mooti1 6 months ago

TI__Mastermind 35648 points

TCA9548A: TCA9548APWR VIH, VIL, VOl values of SD0-7, SC0-7 ports - Interface forum - Interface - TI E2E support forums

Harish,

Please see thread above.

There are not VIH/VIL for the SC0-SC7 and SD0-SD7. Once the channel is selecting using the SDA/SCL on the main bus, the path becomes a passive FET switch. The signal will simply pass through. Nothing is controlled via the SC0/SD0 - SC7/SC7 side so there is not VIH/VIL. The VIH/VIL will only matter on the SDA/SCL on the TCA9548A and on the devices connected to the SCL/SDA and the peripherals connected to SC0/SD0 - SC7/SC7

-Rami