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PDF HD74HC139 Data sheet ( Hoja de datos )
| Número de pieza | HD74HC139 | |
| Descripción | Dual 2-to-4-line Decoders/Demultiplexers | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HD74HC139 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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HD74HC139
Dual 2-to-4-line Decoders/Demultiplexers
Description
The HD74HC139 contains two independent two-to-four-line decoders each with a single active low enable
input (1G or 2G). Data on the slect inputs (1A and 1B or 2A and 2B) cause one of the four normally high
outputs to go low.
Features
• High Speed Operation: tpd (A, B to Y, 4 levels) = 14 ns typ (CL = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 V to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
Function Table
Inputs
Enable
G
H
L
L
L
L
Select
B
X
L
L
H
H
A
X
L
H
L
H
Outputs
Y0 Y1 Y2 Y3
HHH H
L HH H
HL H H
HHL
H
HHH L
1 page  
19.20
20.00 Max
16
9
1
1.3
1.11 Max
8
Unit: mm
7.62
2.54 ± 0.25
0.48 ± 0.10
0.25
+
–
0.13
0.05
0° – 15°
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
DP-16
Conforms
Conforms
1.07 g
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet HD74HC139.PDF ] | |
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