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M74HC139M1R Fiches technique(PDF) 2 Page - STMicroelectronics

No de pièce M74HC139M1R
Description  DUAL 2 TO 4 DECODER/DEMULTIPLEXER
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC139M1R Fiches technique(HTML) 2 Page - STMicroelectronics

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M74HC139
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INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
PIN No
SYMBOL
NAME AND FUNCTION
1, 15
1G, 2G
Enable Inputs
2, 3
1A, 1B
Address Inputs
4, 5, 6, 7
1Y0 TO 1Y3 Outputs
12, 11, 10, 9
2Y0 TO 2Y3 Outputs
14, 13
2A, 2B
Address Inputs
8
GND
Ground (0V)
16
VCC
Positive Supply Voltage
INPUTS
OUTPUTS
SELECTED
OUTPUT
ENABLE SELECT
Y0
Y1
Y2
Y3
G
BA
H
X
X
H
H
H
H
NONE
L
LLL
H
H
H
Y0
LL
H
H
L
H
H
Y1
LH
L
H
H
L
H
Y2
L
HHHH
H
L
Y3


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