74HC374
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
TIMING REQUIREMENTS
(C
L
= 50 pF, Input t
r
= t
f
= 6.0 ns)
Guaranteed Limit
v
85_C
Symbol
t
su
Parameter
Figure
3
V
CC
(V)
2.0
3.0
4.5
6.0
2.0
3.0
4.5
6.0
2.0
3.0
4.5
6.0
2.0
3.0
4.5
6.0
– 55 to 25_C
Min
50
40
10
9
5.0
5.0
5.0
5.0
60
23
12
10
1000
800
500
400
Max
v
125_C
Min
65
50
13
11
5.0
50
5.0
5.0
75
27
15
13
1000
800
500
400
Max
Min
75
60
15
13
5.0
5.0
5.0
5.0
90
32
18
15
1000
800
500
400
Max
Unit
ns
Minimum Setup Time, Data to Clock
t
h
Minimum Hold Time, Clock to Data
3
ns
t
w
Minimum Pulse Width, Clock
1
ns
t
r
, t
f
Maximum Input Rise and Fall Times
1
ns
SWITCHING WAVEFORMS
t
r
CLOCK
90%
50%
10%
t
W
1/f
max
t
PLH
Q
90%
50%
10%
t
TLH
t
THL
Q
50%
t
PHL
Q
50%
t
PZH
t
PHZ
90%
t
f
V
CC
50%
GND
t
PZL
t
PLZ
10%
HIGH
IMPEDANCE
V
OL
V
OH
HIGH
IMPEDANCE
V
CC
OUTPUT
ENABLE
GND
Figure 1.
Figure 2.
VALID
V
CC
DATA
50%
GND
t
su
t
h
V
CC
CLOCK
50%
GND
Figure 3.
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