MC74HC259ADG Ver la hoja de datos (PDF) - ON Semiconductor
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MC74HC259ADG Datasheet PDF : 9 Pages
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MC74HC259A
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
tPLH,
tPHL
Parameter
Maximum Propagation Delay, Data to Output
(Figures 2 and 7)
tPLH,
tPHL
Maximum Propagation Delay, Address Select to Output
(Figures 3 and 7)
tPLH,
tPHL
Maximum Propagation Delay, Enable to Output
(Figures 4 and 7)
tPHL
Maximum Propagation Delay, Reset to Output
(Figures 5 and 7)
tTLH,
tTHL
Maximum Output Transition Time, Any Output
(Figures 2 and 7)
Cin
Maximum Input Capacitance
CPD
Power Dissipation Capacitance (Per Package)
TIMING REQUIREMENTS (Input tr = tf = 6 ns)
Symbol
tsu
Parameter
Minimum Setup Time, Address or Data to Enable
(Figure 6)
th
Minimum Hold Time, Enable to Address or Data
(Figure 6)
tw
Minimum Pulse Width, Reset or Enable
(Figure 4 or 5)
tr, tf
Maximum Input Rise and Fall Times
(Figure 2)
Guaranteed Limit
VCC
− 55 to
V
25°C
v 85°C v 125°C Unit
2.0
125
160
175
ns
3.0
45
60
70
4.5
32
32
42
6.0
25
28
33
2.0
150
175
200
ns
3.0
60
70
80
4.5
32
40
45
6.0
28
30
35
2.0
150
175
200
ns
3.0
60
70
80
4.5
32
40
45
6.0
28
30
35
2.0
110
125
160
ns
3.0
36
45
60
4.5
22
26
32
6.0
19
23
28
2.0
75
3.0
27
4.5
15
6.0
13
95
110
ns
32
36
19
22
16
19
−
10
10
10
pF
Typical @ 25°C, VCC = 5.0 V
30
pF
Guaranteed Limit
VCC
− 55 to
V
25°C
v 85°C v 125°C Unit
2.0
75
3.0
30
4.5
15
6.0
13
95
110
ns
40
55
19
22
16
19
2.0
1
1
1
ns
3.0
1
1
1
4.5
1
1
1
6.0
1
1
1
2.0
70
3.0
27
4.5
15
6.0
13
90
100
ns
32
36
19
22
16
19
2.0
1000
1000
1000
ns
3.0
800
800
800
4.5
500
500
500
6.0
400
400
400
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