HCC4555B データシートの表示（PDF） - STMicroelectronics

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HCC4555B

DUAL BINARY TO 1 OF 4 DECODER/DEMULTIPLEXERS

STMicroelectronics 

HCC/HCF4555B/4556B

APPLICATIONS (continued)

1 of 16 Decoder using HCC/HCF4555B and

HCC/HCF4556B

TRUTH TABLE

Inputs

Q Outputs

E D C B A 0 1 2 3 4 5 6 7 8 9 10 11 1 21 3 14 15

000001 0 0 0 0 0 000 0 0 0 0 0 0 0

000010 1 0 0 0 0 000 0 0 0 0 0 0 0

000100 0 1 0 0 0 000 0 0 0 0 0 0 0

000110 0 0 1 0 0 000 0 0 0 0 0 0 0

001000 0 0 0 1 0 000 0 0 0 0 0 0 0

001010 0 0 0 0 1 000 0 0 0 0 0 0 0

001100 0 0 0 0 0 100 0 0 0 0 0 0 0

001110 0 0 0 0 0 010 0 0 0 0 0 0 0

010000 0 0 0 0 0 001 0 0 0 0 0 0 0

010010 0 0 0 0 0 000 1 0 0 0 0 0 0

010100 0 0 0 0 0 000 0 1 0 0 0 0 0

010110 0 0 0 0 0 000 0 0 1 0 0 0 0

011000 0 0 0 0 0 000 0 0 0 1 0 0 0

011010 0 0 0 0 0 000 0 0 0 0 1 0 0

011100 0 0 0 0 0 000 0 0 0 0 0 1 0

011110 0 0 0 0 0 000 0 0 0 0 0 0 1

1 X XX X 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

HCC/HCF4555B Input to Q3 Output Dynamic

Signal Waveforms

X = Don’t care.

HCC/HCF4556B Input to Q3 Output Dynamic

Signal Waveforms

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