IN74HC161A Ver la hoja de datos (PDF) - Integral Corp.
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IN74HC161A Datasheet PDF : 9 Pages
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IN74HC161A
TIMING REQUIREMENTS (CL=50pF,Input tr=tf=6.0 ns)
VCC
Guaranteed Limit
Symbol
Parameter
V 25 °C ≤85°C ≤125° Unit
to
C
-55°C
tSU Minimum Setup Time, Preset Data Inputs 2.0 40
60
80 ns
to Clock (Figure 4)
4.5 15
20
30
6.0 12
18
20
tSU Minimum Setup Time, Load to Clock 2.0 60
75
90 ns
(Figure 4)
4.5 15
20
30
6.0 12
18
20
tSU Minimum Setup Time, Enable T or 2.0 80
Enable P to Clock (Figure 5)
4.5 20
95 110 ns
25
35
6.0 17
23
25
th Minimum Hold Time, Clock to Load or 2.0 3
3
3
ns
Preset Data Inputs (Figure 4)
4.5 3
3
3
6.0 3
3
3
th Minimum Hold Time, Clock to Enable T 2.0 3
3
3
ns
or Enable P (Figure 5)
4.5 3
3
3
6.0 3
3
3
trec Minimum Recovery Time, Reset Inactive 2.0 80
to Clock (Figure 2)
4.5 15
95 110 ns
20
26
6.0 12
17
23
trec Minimum Recovery Time, Load Inactive 2.0 80
to Clock (Figure 4)
4.5 15
95 110 ns
20
26
6.0 12
17
23
tw Minimum Pulse Width, Clock (Figure 1) 2.0 60
75
90 ns
4.5 12
15
18
6.0 10
13
15
tw Minimum Pulse Width, Reset (Figure 2) 2.0 60
75
90 ns
4.5 12
15
18
6.0 10
13
15
tr, tf Maximum Input Rise and Fall Times 2.0 1000 1000 1000 ns
(Figure 1)
4.5 500 500 500
6.0 400 400 400
5
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