9.2 Typical Application

Seven Segment

SRCLR

g

f

a

b

DP

c

d

e

a

b

c

d

e

f

g

DP

GND

SER

SRCLK

RCLK

RCLR

GND

SER

SRCLK

RCLK

Seven Segment

g

f

a

b

DP

c

d

e

a

b

c

d

e

f

g

DP

MCU

R2

C2

R1

C1

SRCLR

RCLR

Figure 9-1. Typical application block diagram

9.2.1 Design Requirements

9.2.1.1 Power Considerations

Ensure the desired supply voltage is within the range specified in the Recommended Operating Conditions. The

supply voltage sets the device's electrical characteristics as described in the Electrical Characteristics.

The positive voltage supply must be capable of sourcing current equal to the total current to be sourced by all

and any transient current required for switching. The logic device can only source as much current as is provided

Absolute Maximum Ratings.

The ground must be capable of sinking current equal to the total current to be sunk by all outputs of the

current required for switching. The logic device can only sink as much current as can be sunk into its ground

SN74HCS594-Q1

SCLS807D – JUNE 2020 – REVISED DECEMBER 2021

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