HD74LS174 / HD74LS175
Block Diagram
HD74LS174
HD74LS175
1D
D
CK
Q
1Q
1D
D
CK
Q
1Q
1Q
Clear
Q
Clear
2D
D
CK
Q
2Q
2D
D
CK
Q
2Q
2Q
Outputs
Clear
Data
Inputs
3D
D
CK
Clear
Q
3Q
Outputs
3D
Q
Clear
Data
Inputs
D
CK
Q
3Q
3Q
Q
Clear
4D
D
CK
Clear
Clock
D
CK
Clear
Q
5Q
Clear
4D
D
CK
Q
Clear
Q
Q
4Q
4Q
4Q
5D
6D
D
CK
Q
6Q
Clock
Clear
Clear
Absolute Maximum Ratings
Item
Supply voltage
Input voltage
Power dissipation
Storage temperature
Symbol
V
CC
V
IN
P
T
Tstg
Ratings
7
7
400
–65 to +150
Unit
V
V
mW
°C
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Rev.3.00, Jul.15.2005, page 3 of 8