MC74LVX139_05 Datasheet, PDF (2/8 Pages) ON Semiconductor – Dual 2-to-4 Decoder/Demultiplexer

Ea 1
A0a ²
A1a ³
Y0a ⁴
Y1a 5
Y2a 6
Y3a 7
GND 8
16 _VCC
15 _Eb
14 _A0b
13 _A1b
12 Y0b
11 _Y1b
10 Y2b
9 Y3b
Figure 1. Pin Assignment
MC74LVX139
FUNCTION TABLE
Inputs
Outputs
E A1 A0 Y0 Y1 Y2 Y3
H
X X H HH H
L
L L L HH H
L
L H H LH H
L
H L H HL H
L
H H H HH L
ADDRESS
INPUTS
A0a ²
A1a ³
Ea ¹
4 _Y0a
5 _Y1a
6 _Y2a
7 _Y3a
ACTIVE−LOW
OUTPUTS
ADDRESS
INPUTS
A0b ¹⁴
A1b ¹³
12 _Y0b
11 _Y1b
10 _Y2b
9 _Y3b
ACTIVE−LOW
OUTPUTS
Eb ¹⁵
Figure 2. Logic Diagram
En
Y0
Y1
A0
Y2
Y3
A1
Figure 3. Expanded Logic Diagram
(1/2 of Device)
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