Datasheet

74HC_HCT74 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 4 — 27 August 2012 2 of 21
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
mna418
RD
FF
SD
410
Q
1Q
2Q
1Q
2Q
5
9
2
12
3
11
6
8
Q
1SD
CP
2CP
1CP
2D
1D
D
2SD
113
1RD
2RD
mna419
6
3
2
C1
4
S
1D
1
R
5
8
11
12
C1
10
S
1D
13
R
9
RD
FF
SD
4
Q
1Q
1Q
5
2
3
6
Q
1SD
CP
1CP
1D
D
1
1RD
mna420
RD
FF
SD
10
Q
2Q
2Q
9
12
11
8
Q
2SD
CP
2CP
2D
D
13
2RD
Fig 4. Logic diagram for one flip-flop
mna421
SD
CP
RD
D
C
C
Q
C
C
C
C
C
C
Q
C
C