74LCX74_06 Datasheet, PDF (4/17 Pages) STMicroelectronics – Low voltage CMOS dual D-Type Flip Flop with 5V tolerant inputs

Pin settings
2
Pin settings
2.1
Pin connection
Figure 4. Pin connection (top through view)
74LCX74
2.2
2.3
4/17
Pin description
Table 1. Pin description
Pin N°
1, 13
2, 12
3, 11
4, 10
5, 9
6, 8
7
14
Symbol
1CLR, 2CLR
1D, 2D
1CK, 2CK
1PR, 2PR
1Q, 2Q
1Q, 2Q
GND
V_CC
Name and function
Asynchronous reset - direct input
Data inputs
Clock input (LOW to HIGH, Edge Triggered)
Asynchronous set - direct input
True Flip-Flop outputs
Complement Flip-Flop outputs
Ground (0V)
Positive supply voltage
Truth table
Table 2. Truth table
Inputs
CLR
PR
D
CK
L
H
X
X
H
L
X
X
L
L
X
X
H
H
L
H
H
H
H
H
X ⁽¹⁾
1. X do not care
Outputs
Q
Q
L
H
H
L
H
H
L
H
H
L
Q_n
Q_n
Function
CLEAR
PRESET
No change