IN74HC299
TIMING REQUIREMENTS(C
L
=50pF,Input t
r
=t
f
=6.0 ns)
Guaranteed Limit
V
CC
Symbol
Parameter
V
25
°C
to-
≤85°C ≤125°C
55°C
150
125
100
t
su
Minimum Setup Time, Mode 2.0
30
25
20
Select S1 or S2 to Clock 4.5
26
21
17
6.0
(Figure 4)
150
125
100
t
su
Minimum Setup Time, Data 2.0
30
25
20
Inputs S
A
, S
H
, P
A
thru P
H
to 4.5
26
21
17
6.0
Clock
(Figure 4)
180
150
120
t
h
Minimum Hold Time, Clock to 2.0
36
30
24
Mode Select S1 or S2 (Figure 4.5
31
26
20
6.0
4)
5
5
5
t
h
Minimum Hold Time, Clock to 2.0
5
5
5
Data Inputs, S
A
, S
H
, P
A
thru P
H
4.5
5
5
5
6.0
(Figure 4)
75
65
50
t
rec
Minimum
Recovery
Time, 2.0
15
13
10
Reset Inactive to Clock (Figure 4.5
13
11
9
6.0
2)
120
100
80
t
w
Minimum Pulse Width, Clock 2.0
24
20
16
(Figure 1)
4.5
20
17
14
6.0
120
100
80
t
w
Minimum Pulse Width, Reset 2.0
24
20
16
(Figure 2)
4.5
20
17
14
6.0
1000
1000
1000
t
r
, t
f
Maximum Input Rise and Fall 2.0
500
500
500
Times (Figure 1)
4.5
400
400
400
6.0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
5
INTEGRAL [ INTEGRAL CORP. ]
