MC74HC259A
http://onsemi.com
4
AC ELECTRICAL CHARACTERISTICS (C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Symbol Parameter
V
CC
V
Guaranteed Limit
Unit
− 55 to
25°C
v 85°C v 125°C
t
PLH
,
t
PHL
Maximum Propagation Delay, Data to Output
(Figures 2 and 7)
2.0
3.0
4.5
6.0
125
45
32
25
160
60
32
28
175
70
42
33
ns
t
PLH
,
t
PHL
Maximum Propagation Delay, Address Select to Output
(Figures 3 and 7)
2.0
3.0
4.5
6.0
150
60
32
28
175
70
40
30
200
80
45
35
ns
t
PLH
,
t
PHL
Maximum Propagation Delay, Enable to Output
(Figures 4 and 7)
2.0
3.0
4.5
6.0
150
60
32
28
175
70
40
30
200
80
45
35
ns
t
PHL
Maximum Propagation Delay, Reset to Output
(Figures 5 and 7)
2.0
3.0
4.5
6.0
110
36
22
19
125
45
26
23
160
60
32
28
ns
t
TLH
,
t
THL
Maximum Output Transition Time, Any Output
(Figures 2 and 7)
2.0
3.0
4.5
6.0
75
27
15
13
95
32
19
16
110
36
22
19
ns
C
in
Maximum Input Capacitance − 10 10 10 pF
C
PD
Power Dissipation Capacitance (Per Package)
Typical @ 25°C, V
CC
= 5.0 V
pF
30
TIMING REQUIREMENTS (Input t
r
= t
f
= 6 ns)
Symbol
Parameter
V
CC
V
Guaranteed Limit
Unit
− 55 to
25°C
v 85°C v 125°C
t
su
Minimum Setup Time, Address or Data to Enable
(Figure 6)
2.0
3.0
4.5
6.0
75
30
15
13
95
40
19
16
110
55
22
19
ns
t
h
Minimum Hold Time, Enable to Address or Data
(Figure 6)
2.0
3.0
4.5
6.0
1
1
1
1
1
1
1
1
1
1
1
1
ns
t
w
Minimum Pulse Width, Reset or Enable
(Figure 4 or 5)
2.0
3.0
4.5
6.0
70
27
15
13
90
32
19
16
100
36
22
19
ns
t
r
, t
f
Maximum Input Rise and Fall Times
(Figure 2)
2.0
3.0
4.5
6.0
1000
800
500
400
1000
800
500
400
1000
800
500
400
ns
