74HC74(2015) データシートの表示（PDF） - NXP Semiconductors.

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74HC74
(Rev.:2015)

Dual D-type flip-flop with set and reset; positive edge-trigger

NXP Semiconductors. 

Nexperia

74HC74; 74HCT74

Dual D-type flip-flop with set and reset; positive edge-trigger

5. Pinning information

5.1 Pinning

5' 

' 

&3 

6' 

4 

4 

*1' 

+&

+&7

 9&&

 5'

 '

 &3

 6'

 4

 4

DDD

Fig 5. Pin configuration for SO14 and (T)SSOP14

+&

+&7

WHUPLQDO

LQGH[DUHD

'

&3 

6' 

4 

4 

*1'

 5'

 '

 &3

 6'

 4

DDD

7UDQVSDUHQWWRSYLHZ

(1) This is not a supply pin. The substrate is attached to this

pad using conductive die attach material. There is no

electrical or mechanical requirement to solder this pad.

However, if it is soldered, the solder land should remain

floating or be connected to GND.

Fig 6. Pin configuration for DHVQFN14

5.2 Pin description

Table 2.

Symbol

1RD

1D

1CP

1SD

1Q

1Q

GND

2Q

2Q

2SD

2CP

2D

2RD

VCC

Pin description

Pin

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Description

asynchronous reset-direct input (active LOW)

data input

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

asynchronous set-direct input (active LOW)

output

complement output

ground (0 V)

complement output

output

asynchronous set-direct input (active LOW)

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

data input

asynchronous reset-direct input (active LOW)

supply voltage

74HC_HCT74

Product data sheet

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

Rev. 5 — 3 December 2015

© Nexperia B.V. 2017. All rights reserved

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