74HC74DB(2015) 查看數據表（PDF） - NXP Semiconductors.

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74HC74DB
(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

9,

Q&3LQSXW

*1'

9,

Q6'LQSXW

*1'

9,

Q5'LQSXW

*1'

92+

Q4RXWSXW

92/

92+

Q 4RXWSXW

92/

90

W:

W 3/+

90

90

W 3+/

W:

90

W 3+/

W 3/+

Fig 8.

Measurement points are given in Table 9.

VOL and VOH are typical voltage output levels that occur with the output load.

Set and reset propogation delays, pulse widths and recovery time

90

W UHF

PQD

Table 9. Measurement points

Type

74HC74

74HCT74

Input

VM

0.5VCC

1.3 V

Output

VM

0.5VCC

1.3 V

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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