Nexperia

74HC154; 74HCT154

4-to-16 line decoder/demultiplexer

001aab072

Y0

Y1

Y2

Y3

A0

E0

E1

A1

A2

A3

Y4

Y5

Y6

Y7

Y8

Y9

Y10

Y11

Y12

Y13

Y14

Y15

Fig. 4. Logic diagram

5. Pinning information

5.1. Pinning

74HC154

74HCT154

Y0

VCC

Y1

A0

Y2

A1

Y3

A2

Y4

A3

Y5

E1

Y6

E0

Y7

Y15

Y8

Y14

Y9

Y13

Y10

Y12

GND

Y11

001aab067

1

2

3

4

5

6

7

8

9

10

11

12

14

13

16

15

18

17

20

19

22

21

24

23

Fig. 5. Pin configuration for SOT137-1 (SO24) and

SOT355-1 (TSSOP24)

001aab068

74HC154

74HCT154

Y12

Y9

Y10

Y13

Y8

Y14

Y7

Y15

Y6

E0

Y5

E1

Y4

A3

Y3

A2

Y2

A1

Y1

A0

11

14

10

15

9

16

8

17

7

18

6

VCC(1)

19

5

20

4

21

3

22

2

23

terminal 1

index area

Transparent top view

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

mechanical requirement to solder the pad. In case

soldered, the solder land should remain floating or

connected to VCC.

Fig. 6. Pin configuration for SOT815-1 (DHVQFN24)

74HC_HCT154

All information provided in this document is subject to legal disclaimers.

© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 9 — 19 August 2021

3 / 17