5 Pin Configuration and Functions

VCC

Y8

GND

A1

A2

A3

A4

A5

A6

A7

A8

OE1

OE2

Y1

Y2

Y3

Y4

Y5

Y6

Y7

1

20

10

11

2

3

4

5

6

7

8

9

12

13

14

15

16

17

18

19

PAD

RKS Package,

20-Pin VQFN

(Top View)

1

2

3

7

4

5

6

14

13

12

8

11

18

17

GND

Y3

Y5

Y6

V

CC

15

16

A1

A2

OE1

A5

A6

Y8

Y4

Y7

A4

A3

10

9

A7

A8

Y1

OE2

Y2

20

19

DGS Package,

20-Pin SOT

(Top View)

Table 5-1. Pin Functions

PIN

TYPE(1)

DESCRIPTION

NAME

NO.

OE1

1

I

Output enable input 1, active low

A1

2

I

Input for channel 1

A2

3

I

Input for channel 2

A3

4

I

Input for channel 3

A4

5

I

Input for channel 4

A5

6

I

Input for channel 5

A6

7

I

Input for channel 6

A7

8

I

Input for channel 7

A8

9

I

Input for channel 8

GND

10

G

Ground

Y8

11

O

Output for channel 8

Y7

12

O

Output for channel 7

Y6

13

O

Output for channel 6

Y5

14

O

Output for channel 5

Y4

15

O

Output for channel 4

Y3

16

O

Output for channel 3

Y2

17

O

Output for channel 2

Y1

18

O

Output for channel 1

OE2

19

I

Output enable input 2, active low

VCC

20

P

Positive supply

Thermal Pad(2)

—

The thermal pad can be connect to GND or left floating. Do not connect to any other signal

or supply.

(1)

I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power.

(2)

RKS package only.

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SN74HCS541

SCLS875B – OCTOBER 2021 – REVISED OCTOBER 2022

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