Nexperia

74HC393; 74HCT393

Dual 4-bit binary ripple counter

5. Pinning information

5.1. Pinning

74HC393

74HCT393

1CP

VCC

1MR

2CP

1Q0

2MR

1Q1

2Q0

1Q2

2Q1

1Q3

2Q2

GND

2Q3

aaa-007518

1

2

3

4

5

6

7

8

10

9

12

11

14

13

Fig. 6. Pin configuration

SOT108-1 (SO14)

74HC393

74HCT393

1CP

VCC

1MR

2CP

1Q0

2MR

1Q1

2Q0

1Q2

2Q1

1Q3

2Q2

GND

2Q3

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1

2

3

4

5

6

7

8

10

9

12

11

14

13

Fig. 7. Pin configuration

SOT402-1 (TSSOP14)

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74HC393

74HCT393

Transparent top view

1Q3

2Q2

1Q2

2Q1

1Q1

2Q0

1Q0

2MR

1MR

2CP

6

9

5

10

4

11

3

12

2

13

terminal 1

index area

VCC(1)

(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. 8. Pin configuration

SOT762-1 (DHVQFN14)

5.2. Pin description

Table 2. Pin description

Symbol

Pin

Description

1CP

1

clock input (HIGH-to-LOW, edge-triggered)

1MR

2

asynchronous master reset input (active HIGH)

1Q0, 1Q1, 1Q2, 1Q3

3, 4, 5, 6

flip-flop output

GND

7

ground (0 V)

2Q3, 2Q2, 2Q1, 2Q0

8, 9, 10, 11

flip-flop output

2MR

12

asynchronous master reset input (active HIGH)

2CP

13

clock input (HIGH-to-LOW, edge-triggered)

VCC

14

supply voltage

74HC_HCT393

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© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 8 — 22 October 2021

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