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HD74AC538 Datasheet, PDF (5/10 Pages) Hitachi Semiconductor – 1-of-8 Decoder with 3-State Output
HD74AC538
AC Characteristics: HD74AC538
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
E1, or E2 to On
5.0
Propagation delay
t PHL
3.3
E1, or E2 to On
5.0
Propagation delay
t PLH
3.3
E3, or E4 to On
5.0
Propagation delay
t PHL
3.3
E3, or E4 to On
5.0
Propagation delay
t PLH
3.3
P to On
5.0
Propagation delay
t PHL
3.3
P to On
5.0
Propagation delay
t PZH
3.3
OEn to On
5.0
Propagation delay
t PZL
3.3
OEn to On
5.0
Propagation delay
t PHZ
3.3
OEn to On
5.0
Propagation delay
t PLZ
3.3
OEn 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
10.5
1.0
8.0
1.0
9.5
1.0
7.0
1.0
11.0
1.0
8.0
1.0
10.0
1.0
8.0
1.0
11.0
1.0
8.5
1.0
10.5
1.0
8.0
1.0
10.5
1.0
9.0
1.0
9.0
1.0
7.5
1.0
7.0
1.0
5.0
1.0
8.5
1.0
5.5
1.0
7.0
1.0
6.0
1.0
9.0
1.0
7.0
Max
17.5
12.5
17.5
12.0
19.5
14.5
19.5
14.0
19.5
14.5
20.0
15.0
15.5
11.0
15.0
10.5
14.0
8.5
16.5
9.5
14.0
10.5
14.5
10.5
Ta = –40°C to +85°C
CL = 50 pF
Min
Max
Unit
1.0
20.0
ns
1.0
14.0
1.0
20.0
ns
1.0
14.0
1.0
23.0
ns
1.0
16.5
1.0
23.0
ns
1.0
16.5
1.0
23.0
ns
1.0
17.0
1.0
23.5
ns
1.0
18.0
1.0
17.5
ns
1.0
12.5
1.0
17.0
ns
1.0
11.5
1.0
15.5
ns
1.0
9.5
1.0
19.0
ns
1.0
11.5
1.0
15.5
ns
1.0
11.5
1.0
17.0
ns
1.0
12.0
Capacitance
Item
Input capacitance
Power dissipation capacitance
Symbol
Typ
CIN
4.5
CPD
100
Unit
pF
pF
Condition
VCC = 5.5 V
VCC = 5.0 V
5