Nexperia

74LVC273

Octal D-type flip-flop with reset; positive-edge trigger

4. Functional diagram

mna763

D0

D1

D2

D3

D4

D5

D6

D7

MR

CP

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7

11

1

19

16

15

12

9

6

5

2

18

17

14

13

8

7

4

3

Fig. 1. Logic symbol

mna764

19

16

15

12

9

6

5

11

C1

1

R

1D

2

18

17

14

13

8

7

4

3

D7

D0

D1

D2

D3

D4

D5

D6

Q7

Q6

Q5

Q4

Q3

Q2

Q0

Q1

CP

MR

Fig. 2. IEC logic symbol

5. Pinning information

5.1. Pinning

74LVC273

MR

VCC

Q0

Q7

D0

D7

D1

D6

Q1

Q6

Q2

Q5

D2

D5

D3

D4

Q3

Q4

GND

CP

001aad093

1

2

3

4

5

6

7

8

9

10

12

11

14

13

16

15

18

17

20

19

Fig. 3. Pin configuration for SOT163-1 (SO20) and

SOT360-1 (TSSOP20)

001aad094

74LVC273

Transparent top view

Q4

D3

Q3

D4

D2

D5

Q2

Q5

Q1

Q6

GND(1)

D1

D6

D0

D7

Q0

Q7

9

12

8

13

7

14

6

15

5

16

4

17

3

18

2

19

terminal 1

index area

(1) This is not a ground pin. There is no electrical or

mechanical requirement to solder the pad. In case

soldered, the solder land should remain floating or

connected to GND.

Fig. 4. Pin configuration for SOT764-1 (DHVQFN20)

74LVC273

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© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 8 — 31 August 2021

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