74AC139 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics
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74AC139 Datasheet PDF : 10 Pages
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HD74AC139/HD74ACT139
AC Characteristics: HD74AC139
Item
Symbol VCC (V)*1
Propagation delay
t PLH
3.3
An to On
5.0
Propagation delay
t PHL
3.3
An to On
5.0
Propagation delay
t PLH
3.3
En to On
5.0
Propagation delay
t PHL
3.3
En to On
5.0
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Ta = +25°C
CL = 50 pF
Min Typ
1.0
8.0
1.0
6.5
1.0
7.0
1.0
5.5
1.0
9.5
1.0
7.0
1.0
8.0
1.0
6.0
Max
11.5
8.5
10.0
7.5
12.0
8.5
10.0
7.5
Ta = –40°C to +85°C
CL = 50 pF
Min
Max
Unit
1.0
13.0
ns
1.0
9.5
1.0
11.0
ns
1.0
8.5
1.0
13.0
ns
1.0
10.0
1.0
11.0
ns
1.0
8.5
AC Characteristics: HD74ACT139
Item
Symbol VCC (V)*1
Propagation delay
t PLH
5.0
An to On
Propagation delay
t PHL
5.0
An to On
Propagation delay
t PLH
5.0
En to On
Propagation delay
t PHL
5.0
En to On
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
Ta = +25°C
CL = 50 pF
Min Typ
1.0
6.0
1.0
6.0
1.0
7.0
1.0
7.0
Max
8.5
9.5
10.0
9.5
Ta = –40°C to +85°C
CL = 50 pF
Min
Max
Unit
1.0
9.5
ns
1.0
10.5
ns
1.0
11.0
ns
1.0
10.5
ns
Capacitance
Item
Input capacitance
Power dissipation capacitance
Symbol
CIN
CPD
Typ
4.5
40.0
Unit
pF
pF
Condition
VCC = 5.5 V
VCC = 5.0 V
5
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