HD74AC240 Datasheet, PDF (3/9 Pages) Hitachi Semiconductor – Octal Buffer/Line Driver with 3-State Output

HD74AC240/HD74ACT240
AC Characteristics: HD74AC240
Item
Propagation delay
Data to output
Symbol
t _PLH
V_CC (V)*¹
3.3
5.0
Ta = +25°C
C_L = 50 pF
Min Typ
1.0
6.0
1.0
4.5
Propagation delay
t _PHL
3.3
Data to output
5.0
1.0
5.0
1.0
4.5
Output enable time
t _PZH
3.3
5.0
1.0
6.0
1.0
5.0
Output enable time
t _PZL
3.3
5.0
1.0
7.0
1.0
5.5
Output disable time
t _PHZ
3.3
5.0
1.0
7.0
1.0
6.5
Output disable time
t _PLZ
3.3
5.0
1.0
7.5
1.0
6.5
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Max
8.0
6.5
8.0
6.0
10.5
7.0
10.0
8.0
10.0
9.0
10.5
9.0
Ta = –40°C to +85°C
C_L = 50 pF
Min
Max
Unit
1.0
9.0
ns
1.0
7.0
1.0
8.5
ns
1.0
6.5
1.0
11.0
ns
1.0
8.0
1.0
11.0
ns
1.0
8.5
1.0
10.5
ns
1.0
9.5
1.0
11.5
ns
1.0
9.5
AC Characteristics: HD74ACT240
Item
Propagation delay
Data to output
Symbol V_CC (V)*¹
t _PLH
5.0
Ta = +25°C
C_L = 50 pF
Min Typ
1.0
6.0
Propagation delay
t _PHL
5.0
Data to output
1.0
5.5
Output enable time
t _PZH
5.0
1.0
7.0
Output enable time
t _PZL
5.0
1.0
7.0
Output disable time
t _PHZ
5.0
1.0
8.0
Output disable time
t _PLZ
5.0
1.0
6.5
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
Max
8.5
7.5
8.5
9.5
9.5
10.0
Ta = –40°C to +85°C
C_L = 50 pF
Min
Max
Unit
1.0
9.5
ns
1.0
8.5
ns
1.0
9.5
ns
1.0
10.5
ns
1.0
10.5
ns
1.0
10.5
ns
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