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Número de pieza
componentes Descripción
HD74HC139 Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics
Número de pieza
componentes Descripción
Fabricante
HD74HC139
Dual 2-to-4-line Decoders/Demultiplexers
Hitachi -> Renesas Electronics
HD74HC139 Datasheet PDF : 9 Pages
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HD74HC139
AC Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Ta = 25
°
C
Ta = –40 to
+85
°
C
Item
Symbol
Propagation delay t
PHL
time
V
CC
(V)
2.0
4.5
Min Typ Max Min
— — 150 —
— 15 30 —
Max Unit
190 ns
38
6.0
— — 26 — 33
t
PLH
2.0
— — 150 — 190 ns
4.5
— 13 30 — 38
6.0
— — 26 — 33
t
PLH
2.0
— — 150 — 190 ns
4.5
— 18 30 — 38
6.0
— — 26 — 33
t
PHL
2.0
— — 150 — 190 ns
4.5
— 18 30 — 38
6.0
— — 26 — 33
t
PHL
2.0
— — 160 — 200 ns
4.5
— 19 32 — 40
6.0
— — 27 — 34
t
PLH
2.0
— — 160 — 200 ns
4.5
— 16 32 — 40
6.0
— — 27 — 34
Output rise/fall
t
TLH
time
t
THL
2.0
— — 75 — 95 ns
4.5
— 5 15 — 19
6.0
— — 13 — 16
Input capacitance Cin
—
— 5 10 — 10 pF
Test Conditions
Select to any output (4 levels)
Select to any output (5 levels)
Enable to any output
4
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