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HD74LS139 Datasheet, PDF (3/7 Pages) Hitachi Semiconductor – Dual 2-line-to-4-line Decoders/Demultiplexers | |||
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HD74LS139
Electrical Characteristics
Item
Input voltage
Symbol
VIH
VIL
VOH
Output voltage
VOL
IIH
Input current
IIL
II
Short-circuit output
current
IOS
Supply current
ICC
Input clamp voltage
VIK
Note: * VCC = 5 V, Ta = 25°C
min.
2.0
â
2.7
â
â
â
â
â
â5
â
â
typ.*
â
â
â
â
â
â
â
â
â
6.8
â
max.
â
0.8
â
0.4
0.5
20
â0.4
0.1
â42
11
â1.5
Unit
V
V
V
V
µA
mA
mA
mA
mA
V
(Ta = â20 to +75 °C)
Condition
VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V,
IOH = â400 µA
IOL = 4 mA VCC = 4.75 V, VIH = 2 V,
IOL = 8 mA VIL = 0.8 V
VCC = 5.25 V, VI = 2.7 V
VCC = 5.25 V, VI = 0.4 V
VCC = 5.25 V, VI = 7 V
VCC = 5.25 V
VCC = 5.25 V, Outputs enabled and open
VCC = 4.75 V, IIN = â18 mA
Switching Characteristics
(VCC = 5 V, Ta = 25°C)
Item
Levels
Symbol Inputs Output of delay min.
typ.
max.
Unit Condition
tPLH
Binary
2
tPHL
select 1Y0 to 1Y3
Propagation
delay time
tPLH
tPLH
1A, 1B 2Y0 to 2Y3
2A, 2B
3
â
13
20
ns
â
22
33
ns
â
18
29
ns
CL = 15 pF,
â
25
38
ns
RL = 2 kâ¦
tPLH
Enable 1Y0 to 1Y3
2
tPHL
1G, 2G 2Y0 to 2Y3
â
16
24
ns
â
21
32
ns
Rev.2.00, Feb.18.2005, page 3 of 6
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