74AHC74 Philips Semiconductors, 74AHC74 Datasheet - Page 4

• Manufacturer Part Number: 74AHC74
• Description: Dual D-type flip-flop with set and reset; positive-edge trigger
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1999 Sep 23
handbook, halfpage
handbook, full pagewidth
Dual D-type flip-flop with set and reset;
positive-edge trigger
R D
S D
CP
D
Fig.3 IEC logic symbol.
10
11
12
13
4
3
2
1
S
1D
R
S
1D
R
C1
C1
MNA419
C
C
C
C
5
6
9
8
Fig.5 Logic diagram (one flip-flop).
C
C
4
handbook, halfpage
C
C
Fig.4 Functional diagram.
10
12
11
13
C
C
4
2
3
1
1S D
1D
1CP
1R D
2S D
2D
2CP
2R D
74AHC74; 74AHCT74
D
CP
D
CP
S D
R D
S D
R D
MNA421
FF
FF
Q
Q
Q
Q
1Q
1Q
2Q
2Q
MNA420
Product specification
5
6
9
8
Q
Q