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SL74HC139N 데이터시트(PDF) 1 Page - System Logic Semiconductor

부품명 SL74HC139N
상세설명  Dual 1-of-4 Decoder/Demultiplexer
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제조업체  SLS [System Logic Semiconductor]
홈페이지  http://www.slsemicon.co.kr/e_index.htm
Logo SLS - System Logic Semiconductor

SL74HC139N 데이터시트(HTML) 1 Page - System Logic Semiconductor

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SL74HC139
System Logic
Semiconductor
SLS
Dual 1-of-4 Decoder/Demultiplexer
High-Performance Silicon-Gate CMOS
The SL74HC139 is identical in pinout to the LS/ALS139. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
This device consists of two independent 1-of-4 decoders, each of
which decodes a two -bit Address to one-of-four active-low outputs.
Active-low Selects are provided to facilitate the demultiplexing and
cascading functions. The demultiplexing function is accomplished by
using the Address inputs to select the desired device output, and
utilizing the Select as a data input.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices
ORDERING INFORMATION
SL74HC139N Plastic
SL74HC139D SOIC
TA = -55
° to 125° C for all packages
FUNCTION TABLE
Inputs
Outputs
Select
A1
A0
Y0
Y1
Y2
Y3
H
X
X
H
H
H
H
L
L
L
L
H
H
H
L
L
H
H
L
H
H
L
H
L
H
H
L
H
L
H
H
H
H
H
L
X = don’t care
LOGIC DIAGRAM
PIN 16 =VCC
PIN 8 = GND
PIN ASSIGNMENT


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유사한 설명 - SL74HC139N

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