MC74LCX574_05 ONSEMI [ON Semiconductor], MC74LCX574_05 Datasheet - Page 2

• Manufacturer Part Number: MC74LCX574_05
• Description: Low-Voltage CMOS Octal D-Type Flip-Flop Flow Through Pinout With 5 V−Tolerant Inputs and Outputs (3−State, Non−Inverting)
• Manufacturer: ONSEMI [ON Semiconductor]

H
h
L
l
NC = No Change
X
Z
TRUTH TABLE
OE
= High Voltage Level
= High Voltage Level One Setup Time Prior to the Low−to−High Clock Transition
= Low Voltage Level
= Low Voltage Level One Setup Time Prior to the Low−to−High Clock Transition
= High or Low Voltage Level and Transitions are Acceptable
= High Impedance State
= Low−to−High Transition
= Not a Low−to−High Transition; For I
H
H
H
L
L
L
V
OE
20
CC
1
PIN NAMES
Pins
OE
CP
D0−D7
O0−O7
INPUTS
O0
D0
19
2
Figure 1. Pinout: 20−Lead (Top View)
CP
O1
D1
18
3
Function
Output Enable Input
Clock Pulse Input
Data Inputs
3−State Outputs
O2
D2
17
4
Dn
X
X
h
h
l
l
O3
D3
16
5
O4
D4
15
6
CC
INTERNAL
LATCHES
Reasons, DO NOT FLOAT Inputs
O5
D5
14
NC
NC
7
Q
H
H
L
L
O6
D6
13
8
http://onsemi.com
MC74LCX574
O7
D7
12
9
OUTPUTS
GND
CP
10
11
2
On
NC
H
L
Z
Z
Z
OE
CP
D0
D1
D2
D3
D4
D5
D6
D7
Load Internal Register and Disable Outputs
11
1
Figure 2. LOGIC DIAGRAM
2
3
4
5
6
7
8
9
Hold and Disable Outputs
Load and Read Register
Hold and Read Register
OPERATING MODE
nCP
D
nCP
D
nCP
D
nCP
D
nCP
D
nCP
D
nCP
D
nCP
D
Q
Q
Q
Q
Q
Q
Q
Q
19
18
17
16
15
14
13
12
O0
O1
O2
O3
O4
O5
O6
O7