74HC14D データシートの表示（PDF） - Nexperia B.V. All rights reserved

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74HC14D

Hex inverting Schmitt trigger

Nexperia B.V. All rights reserved 

Nexperia

5. Functional diagram

1

2

74HC14; 74HCT14

Hex inverting Schmitt trigger

1

1A

3

2A

5

3A

9

4A

11

5A

13

6A

1Y

2

2Y

4

3Y

6

4Y

8

5Y

10

6Y

12

mna204

Fig. 1. Logic symbol

3

4

5

6

9

8

11

10

13

12

001aac497

Fig. 2. IEC logic symbol

6. Pinning information

A

Y

mna025

Fig. 3. Logic diagram

(one Schmitt trigger)

6.1. Pinning

1A 1

1Y 2

2A 3

2Y 4

3A 5

3Y 6

GND 7

14 VCC

13 6A

12 6Y

14

11 5A

10 5Y

9 4A

8 4Y

001aac498

Fig. 4. Pin configuration SOT108-1 (SO14), SOT337-1

(SSOP14) and SOT402-1 (TSSOP14)

terminal 1

index area

1Y 2

2A 3

2Y 4

3A 5

3Y 6

14

GND(1)

13 6A

12 6Y

11 5A

10 5Y

9 4A

001aac499

Transparent top view

(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. 5. Pin configuration SOT762-1 (DHVQFN14)

74HC_HCT14

Product data sheet

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

Rev. 8 — 22 May 2020

© Nexperia B.V. 2020. All rights reserved

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