CD4511BC データシートの表示（PDF） - Fairchild Semiconductor

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CD4511BC

BCD-to-7 Segment Latch/Decoder/Driver

Fairchild Semiconductor 

Truth Table

Inputs

Outputs

LE BI LT D C B A a b c d e f g Display

X X 0 XX X X 1 1 11 1 1 1

B

X 0 1 X X XX 0 0 0 0 00 0

01 1 0 0 0 01 1 1 1 1 10

0

0 11 0 0 0 1 01 1 0 0 0 0

1

0 1 10 0 1 0 1 10 1 1 0 1

2

0 1 1 00 1 1 1 1 11 0 0 1

3

0 1 1 0 1 00 0 1 1 0 01 1

4

01 1 0 1 0 11 0 1 1 0 11

5

0 11 0 1 1 0 00 1 1 1 1 1

6

0 1 10 1 1 1 1 11 0 0 0 0

7

0 1 1 10 0 0 1 1 11 1 1 1

8

0 1 1 1 0 01 1 1 1 0 01 1

9

01 1 1 0 1 00 0 0 0 0 00

0 11 1 0 1 1 00 0 0 0 0 0

0 1 11 1 0 0 0 00 0 0 0 0

0 1 1 1 10 1 0 0 0 00 0 0

01 1 1 1 1 00 0 0 0 0 00

0 11 1 1 1 1 00 0 0 0 0 0

1 1 1XXXX

*

*

X = Don’t Care

*Depends upon the BCD code applied during the 0 to 1 transition of LE.

Display

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