IN74HC299
AC ELECTRICAL CHARACTERISTICS(C
L
=50pF,Input t
r
=t
f
=6.0 ns)
Guaranteed Limit
V
CC
Symbol
Parameter
V
25
°C ≤85°C ≤125°
C
to
-55°C
3.4
4.0
5.0
f
max
Maximum Clock Frequency (50% Duty 2.0
17
20
25
Cycle) (Figures 1 and 5)
4.5
20
24
29
6.0
255
215
170
t
PLH
,
Maximum Propagation Delay, Clock to 2.0
51
43
34
t
PHL
Q
A
’ or Q
H
’ (Figures 1 and 5)
4.5
43
37
29
6.0
240
200
160
t
PLH
,
Maximum Propagation Delay, Clock to 2.0
48
40
32
t
PHL
Q
A
thru Q
H
(Figures 1 and 5)
4.5
41
34
27
6.0
265
220
175
t
PHL
Maximum Propagation Delay, Reset to 2.0
53
44
35
Q
A
’ or Q
H
’ (Figures 2 and 5)
4.5
45
37
30
6.0
285
240
190
t
PHL
Maximum Propagation Delay, Reset to 2.0
57
48
38
Q
A
thru Q
H
(Figures 2 and 5)
4.5
48
41
32
6.0
225
190
150
t
PLZ
,
Maximum Propagation Delay , OE1, 2.0
45
38
30
t
PHZ
OE2, S1, or S2 to Q
A
thru Q
H
(Figures 3 4.5
38
33
26
6.0
and 6)
225
190
150
t
PZL
,
Maximum Propagation Delay , OE1, 2.0
45
38
30
t
PZH
OE2, S1, or S2 to Q
A
thru Q
H
(Figures 3 4.5
38
33
26
6.0
and 6)
90
75
60
t
TLH
, t
THL
Maximum Output Transition Time, Q
A
2.0
18
15
12
thru Q
H
(Figures 1 and 5)
4.5
15
13
10
6.0
110
95
75
t
TLH
, t
THL
Maximum Output Transition Time, Q
A
’ 2.0
22
19
15
thru Q
H
’ (Figures 1 and 5)
4.5
19
16
13
6.0
C
IN
Maximum Input Capacitance)
-
10
10
10
-
15
15
15
C
OUT
Maximum Three-State I/O Capacitance
(I/O in High-Impedance State), Q
A
thru
Q
H
Power Dissipation Capacitance (Per
Package), Output Enable
Used to determine the no-load dynamic
power
consumption:
2
P
D
=C
PD
V
CC
f+I
CC
V
CC
Typical @25°C,V
CC
=5.0 V
240
pF
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
C
PD
4
INTEGRAL [ INTEGRAL CORP. ]
