74HC_HCT74

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Product data sheet

Rev. 5 — 3 December 2015

2 of 20

NXP Semiconductors

74HC74; 74HCT74

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

4.

Functional diagram

74HC74PW

40 C to +125 C

TSSOP14

plastic thin shrink small outline package; 14 leads;

body width 4.4 mm

SOT402-1

74HCT74PW

74HC74BQ

40 C to +125 C

DHVQFN14

plastic dual in-line compatible thermal enhanced very

thin quad flat package; no leads; 14 terminals;

body 2.5

 3  0.85 mm

SOT762-1

74HCT74BQ

Table 1.

Ordering information …continued

Type number

Package

Temperature range

Name

Description

Version

Fig 1.

Logic symbol

Fig 2.

IEC logic symbol

Fig 3.

Functional diagram

Fig 4.

Logic diagram for one flip-flop