HD74AC373 查看數據表（PDF） - Hitachi -> Renesas Electronics
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HD74AC373 Datasheet PDF : 11 Pages
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HD74AC373/HD74ACT373
AC Characteristics: HD74AC373
Item
Symbol VCC (V)*1
Propagation delay
t PLH
5.0
Dn to On
Propagation delay
t PHL
5.0
Dn to On
Propagation delay
t PLH
5.0
LE to On
Propagation delay
t PHL
5.0
LE to On
Output enable time
t PZH
5.0
Output enable time
t PZL
5.0
Output disable time
t PHZ
5.0
Output disable time
t PLZ
5.0
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
Ta = +25°C
CL = 50 pF
Min Typ
1.0
8.5
1.0
8.0
1.0
8.5
1.0
8.0
1.0
8.0
1.0
7.5
1.0
9.0
1.0
7.5
Max
10.0
10.0
11.0
10.0
9.5
9.0
11.0
8.5
Ta = –40°C to +85°C
CL = 50 pF
Min
Max
Unit
1.0
11.5
ns
1.0
11.5
ns
1.0
11.5
ns
1.0
11.5
ns
1.0
10.5
ns
1.0
10.5
ns
1.0
12.5
ns
1.0
10.0
ns
AC Operating Requirements: HD74AC373
Item
Symbol
VCC (V)*1
Ta = +25°C
CL = 50 pF
Typ
Setup time, HIGH or LOW
t su
3.3
3.5
Dn to LE
5.0
2.0
Hold time, HIGH or LOW
th
3.3
–3.0
Dn to LE
5.0
–1.5
LE pulse width, HIGH
tw
3.3
4.0
5.0
2.0
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 = –40°C
to +85°C
CL = 50 pF
Guaranteed Minimum
5.5
6.0
4.0
4.5
0.0
0.0
0.0
0.0
5.5
6.0
4.0
4.5
Unit
ns
ns
ns
5
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