CD74FCT564 Datasheet, PDF (2/5 Pages) Texas Instruments – BiCMOS FCT Interface Logic, Octal D-Type Flip-Flops, Three-State

CD74FCT564, CD74FCT574
Functional Diagram
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
OE
1
CP
CD74FCT574
19
Q0
18
Q1
17
Q2
16
Q3
15
Q4
14
Q5
13
Q6
12
Q7
CD74FCT564
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
11
GND = PIN 10
V_CC = PIN 20
TRUTH TABLE (NOTE 1)
OUTPUTS
INPUTS
CD74FCT564 CD74FCT574
OE
CP
DN
QN
QN
L
↑
H
L
H
L
↑
L
H
L
L
L
X
Qo
Qo
H
X
X
Z
Z
NOTE:
1. H = High Level (Steady State)
L = Low Level (Steady State)
X = Don't Care
↑ = Transition from low to high level
Qo = The level of Q before the indicated steady state input
conditions were established.
Z = HIGH Impedance
IEC Logic Symbols
CD74FCT564
1
11
EN
>C1
2
1D
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
CD74FCT574
1
11
EN
>C1
2
1D
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
8-2