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Hitachi Power Semiconductor Device Electronic Components Datasheet

74HC131 Datasheet

3-to-8-line Decoder/Demultiplexer

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HD74HC131
3-to-8-line Decoder/Demultiplexer with Edge-Triggered
Address Registers
Description
The HD74HC131 is 3-to-8 linedecoder. It has Address select inputs (A,B,C) and D type register.
Address select data store to D type registers, during the positive going transition of the clock pulse.
Output control (G 1, G2) are independent of select input and CLK input, and when G1 is low or G2 = High,
all outputs is high.
Features
High Speed Operation: tpd (CLK to Y) = 20 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)


Hitachi Power Semiconductor Device Electronic Components Datasheet

74HC131 Datasheet

3-to-8-line Decoder/Demultiplexer

No Preview Available !

HD74HC131
Function Table
Inputs
Enable
Select
Outputs
CLK G1 G2
C
B
A
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
XX H X X X H H H H H H H H
XL X X X X H H H H H H H H
H L L L L L H H HH H HH
H L L L H HL H HH H HH
H L L H L HH L HH H HH
H L L H H HH H L H H HH
H L HL L HH H HL H HH
H L HL H HH H HH L HH
H L HH L HH H HH H L H
H L HH H HH H HH H HL
LH
L
XX
X
Outputs corresponding to stored address, L; all others H
Pin Arrangement
A1
B2
C3
CLK 4
G2 5
G1 6
Y7 7
GND 8
(Top view)
16 VCC
15 Y0
14 Y1
13 Y2
12 Y3
11 Y4
10 Y5
9 Y6
2


Part Number 74HC131
Description 3-to-8-line Decoder/Demultiplexer
Maker Hitachi Semiconductor
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74HC131 Datasheet PDF






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