HD74LS374
Function Table
Output control
L
L
L
H
Inputs
Clock
↑
↑
L
X
D
H
L
X
X
Outputs
Q
H
L
Q
0
Z
Notes: H; high level, L; low level, X; irrelevant
↑;
transition from low to high level
Q
0
; level of Q before the indicated steady state input conditions were established
Z; off (high-impedance) state of a three state output
Block Diagram
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
Q
D CK
D CK
Q
D CK
Q
D CK
Q
D CK
Q
D CK
Q
D CK
Q
D CK
Q
Output
Control
1D
2D
3D
4D
5D
6D
7D
8D
Clock
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.
Recommended Operating Conditions
Item
Supply voltage
Output voltage
Output current
Operating temperature
Clock pulse width
Data setup time
Data hold time
“H” Level
“L” Level
Symbol
V
CC
V
OH
I
OH
I
OL
Topr
t
w
t
su
t
h
Min
4.75
—
—
—
–20
15
15
20↑
0↑
Typ
5.00
—
—
—
25
—
—
—
—
Max
5.25
5.5
–2.6
24
75
—
—
—
—
Unit
V
V
mA
mA
°C
ns
ns
ns
ns
Rev.2.00, Feb.18.2005, page 2 of 7
RENESAS [ RENESAS TECHNOLOGY CORP ]
