74HC154 データシートの表示（PDF） - Philips Electronics
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74HC154 Datasheet PDF : 7 Pages
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Philips Semiconductors
4-to-16 line decoder/demultiplexer
Product specification
74HC/HCT154
FUNCTION TABLE
INPUTS
OUTPUTS
E0 E1 A0 A1 A2 A3 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 Y10 Y11 Y12 Y13 Y14 Y15
HHX X X XHH H H H H H H H H H H H H H H
HL X X X XHH H H H H H H H H H H H H H H
L HX X X XHH H H H H H H H H H H H H H H
LLL L LLLHH H H H H H H H H H H HHH
L L H L L L HL H H H H H H H H H H H H H H
L L L H L L HH L H H H H H H H H H H H H H
L L H H L L HH H L H H H H H H H H H H H H
L L L L HL HH H H L H H H H H H H H H H H
L L H L HL HH H H H L H H H H H H H H H H
L L L H HL HH H H H H L H H H H H H H H H
L L H H HL HH H H H H H L H H H H H H H H
L L L L L HHH H H H H H H L H H H H H H H
L L H L L HHH H H H H H H H L H H H H H H
L L L H L HHH H H H H H H H H L H H H H H
L L H H L HHH H H H H H H H H H L H H H H
L L L L HHHH H H H H H H H H H H L H H H
L L H L HHHH H H H H H H H H H H H L H H
L L L H HHHH H H H H H H H H H H H H L H
L L H H HHHH H H H H H H H H H H H H H L
Note
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
September 1993
Fig.5 Logic diagram.
4
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