HD74AC157 查看數據表（PDF） - Hitachi -> Renesas Electronics
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HD74AC157 Datasheet PDF : 9 Pages
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HD74AC157
DC Characteristics (unless otherwise specified)
Item
Symbol Max
Unit
Maximum quiescent supply current ICC
80
µA
Maximum quiescent supply current ICC
8.0
µA
Condition
VIN = VCC or ground, VCC = 5.5 V,
Ta = Worst case
VIN = VCC or ground, VCC = 5.5 V,
Ta = 25°C
AC Characteristics: HD74AC157
Item
Symbol VCC (V)*1
Propagation delay
t PLH
3.3
S to Zn
5.0
Propagation delay
t PHL
3.3
S to Zn
5.0
Propagation delay
t PLH
3.3
E to Zn
5.0
Propagation delay
t PHL
3.3
E to Zn
5.0
Propagation delay
t PLH
3.3
In to Zn
5.0
Propagation delay
t PHL
3.3
In to Zn
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
7.0
1.0
5.5
1.0
6.5
1.0
5.0
1.0
7.0
1.0
5.5
1.0
6.5
1.0
5.5
1.0
5.0
1.0
4.0
1.0
5.0
1.0
4.0
Max
11.5
9.0
11.0
8.5
11.5
9.0
11.0
9.0
8.5
6.5
8.0
6.5
Ta = –40°C to +85°C
CL = 50 pF
Min
Max
Unit
1.0
13.0
ns
1.0
10.0
1.0
12.0
ns
1.0
9.5
1.0
13.0
ns
1.0
10.0
1.0
12.0
ns
1.0
9.5
1.0
9.0
ns
1.0
7.0
1.0
9.0
ns
1.0
7.0
Capacitance
Item
Input capacitance
Power dissipation capacitance
Symbol
CIN
CPD
Typ
4.5
50.0
Unit
pF
pF
Condition
VCC = 5.5 V
VCC = 5.0 V
4
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