TMUX1111 datasheet(24/44 Pages) TI2

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8.4 Device Functional Modes

The TMUX111x devices have four independently selectable single-pole, single-throw switches that are turned-on

or turned-off based on the state of the corresponding select pin. The control pins can be as high as 5.5V.

The TMUX111x devices can be operated without any external components except for the supply decoupling

capacitors. Unused logic control pins should be tied to GND or VDD so that the device does not consume

additional current as highlighted in Implications of Slow or Floating CMOS Inputs. Unused signal path inputs (Sx

or Dx) should be connection to GND.

8.5 Truth Tables

Table 8-1, Table 8-2, and Table 8-3 provides the truth tables for the TMUX1111, TMUX1112, and TMUX1113,

respectively.

Table 8-1. TMUX1111 Truth Table(1)

SEL x

CHANNEL x

Channel x ON

Channel x OFF

Table 8-2. TMUX1112 Truth Table

SEL x

CHANNEL x

Channel x OFF

Channel x ON

(1)

x denotes 1, 2, 3 , or 4 for the corresponding channel.

Table 8-3. TMUX1113 Truth Table(1)

SEL1

SEL2

SEL3

SEL4

ON / OFF CHANNELS

CHANNEL 1 OFF

CHANNEL 1 ON

CHANNEL 2 ON

CHANNEL 2 OFF

CHANNEL 3 ON

CHANNEL 3 OFF

CHANNEL 4 OFF

CHANNEL 4 ON

(1)

X denotes do not care.

TMUX1111, TMUX1112, TMUX1113

SCDS408C – FEBRUARY 2019 – REVISED DECEMBER 2023

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