Nexperia

74LVC574A

Octal D-type flip-flop with 5 V tolerant inputs/outputs; positive edge-trigger; 3-state

3. Ordering information

Table 1. Ordering information

Package

Type number

Temperature range Name

Description

Version

74LVC574AD

-40 °C to +125 °C

SO20

plastic small outline package; 20 leads;

body width 7.5 mm

SOT163-1

74LVC574APW -40 °C to +125 °C

TSSOP20

plastic thin shrink small outline package; 20 leads;

body width 4.4 mm

SOT360-1

74LVC574ABQ -40 °C to +125 °C

DHVQFN20 plastic dual in-line compatible thermal enhanced

very thin quad flat package; no leads; 20 terminals;

body 2.5 × 4.5 × 0.85 mm

SOT764-1

4. Functional diagram

mna798

D0

D1

D2

D3

D4

D5

D6

D7

OE

CP

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7

11

1

12

13

14

15

16

17

18

19

9

8

7

6

5

4

3

2

Fig. 1. Logic diagram

mna446

12

13

14

15

16

17

18

11

C1

1

EN

1D

19

9

8

7

6

5

4

3

2

Fig. 2. IEC logic symbol

mna800

3-STATE

OUTPUTS

FF1

to

FF8

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7 12

13

14

15

16

17

18

19

D0

D1

D2

D3

D4

D5

D6

D7

CP

OE

9

11

1

8

7

6

5

4

3

2

Fig. 3. Functional diagram

mna801

Q4

D4

Q3

D3

Q2

D2

Q1

D1

Q0

D0

D

FF1

Q

CP

CP

D

FF2

Q

CP

D

FF3

Q

CP

D

FF4

Q

CP

D

FF5

Q

CP

D

FF6

Q

CP

D

FF7

Q

CP

D

FF8

Q

CP

OE

Q5

D5

Q6

D6

Q7

D7

Fig. 4. Logic diagram

74LVC574A

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© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 6 — 30 August 2021

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