1

N.C.

2

S1A

3

S2A

4

S3A

9

S3B

10

S2B

11

S1B

12

VDD

Not to scale

1

A0

16

A1

2

EN

15

GND

3

N.C.

14

VDD

4

S1A

13

S1B

5

S2A

12

S2B

6

S3A

11

S3B

7

S4A

10

S4B

8

DA

9

DB

Not to scale

4

TMUX1208, TMUX1209

SCDS389C – AUGUST 2018 – REVISED DECEMBER 2018

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Product Folder Links: TMUX1208 TMUX1209

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Copyright © 2018, Texas Instruments Incorporated

TMUX1209: PW Package

16-Pin TSSOP

Top View

TMUX1209: RSV Package

16-Pin QFN

Top View

(1)

I = input, O = output, I/O = input and output, P = power

Pin Functions TMUX1209

PIN

DESCRIPTION

NAME

TSSOP

UQFN

A0

1

15

I

Address line 0. Controls the switch configuration as shown in Table 2.

EN

2

16

I

Active high logic input. When this pin is low, all switches are turned off. When this pin is high,

the A[1:0] address inputs determine which switch is turned on.

N.C.

3

1

Not Connected

Not Connected

S1A

4

2

I/O

Source pin 1A. Can be an input or output.

S2A

5

3

I/O

Source pin 2A. Can be an input or output.

S3A

6

4

I/O

Source pin 3A. Can be an input or output.

S4A

7

5

I/O

Source pin 4A. Can be an input or output.

DA

8

6

I/O

Drain pin A. Can be an input or output.

DB

9

7

I/O

Drain pin B. Can be an input or output.

S4B

10

8

I/O

Source pin 4B. Can be an input or output.

S3B

11

9

I/O

Source pin 3B. Can be an input or output.

S2B

12

10

I/O

Source pin 2B. Can be an input or output.

S1B

13

11

I/O

Source pin 1B. Can be an input or output.

VDD

14

12

P

Positive power supply. This pin is the most positive power-supply potential. For reliable

GND

15

13

P

Ground (0 V) reference

A1

16

14

I

Address line 1. Controls the switch configuration as shown in Table 2.