4 Pin Configuration and Functions

1

2

3

7

4

5

6

14

13

12

8

11

10

9

GND

SER

RCLK

SRCLK

V

CC

15

16

Q

B

Q

C

Q

D

Q

E

Q

F

Q

G

Q

H

Q

A

OE

SRCLR

Q

H¶

PW Package, 16-Pin TSSOP (Top View)

QC

QD

QE

QF

QG

QH

GND

QA

SER

OE

RCLK

SRCLK

QH`

SRCLR

PAD

QB

VCC

2

3

4

5

6

7

8

15

14

13

12

11

10

9

1

16

BQB Package, 16-Pin WQFN (Transparent Top

View)

Table 4-1. Pin Functions

PIN

TYPE(1)

DESCRIPTION

NAME

NO.

QB

1

O

QB output (open-drain)

QC

2

O

QC output (open-drain)

QD

3

O

QD output (open-drain)

QE

4

O

QE output (open-drain)

QF

5

O

QF output (open-drain)

QG

6

O

QG output (open-drain)

QH

7

O

QH output (open-drain)

GND

8

G

Ground

QH'

9

O

Serial output, can be used for cascading (push-pull)

SRCLR

10

I

Shift register clear, active low

SRCLK

11

I

Shift register clock, rising edge triggered

RCLK

12

I

Output register clock, rising edge triggered

OE

13

I

Output Enable, active low

SER

14

I

Serial input

QA

15

O

QA output (open-drain)

VCC

16

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)

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

(2)

BQB package only.

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SN74ACT596-Q1

SCASE34 – NOVEMBER 2024

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