CD4514BC 查看數據表（PDF） - Fairchild Semiconductor

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CD4514BC

4-Bit Latched/4-to-16 Line Decoders

Fairchild Semiconductor 

Truth Table

Inhibit

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

X = Don’t Care

Logic Diagram

Decode Truth Table (Strobe = 1)

Data Inputs

Selected Output

D

C

B

A

CD4514 = Logic “1”

CD4515 = Logic “0”

0

0

0

0

S0

0

0

0

1

S1

0

0

1

0

S2

0

0

1

1

S3

0

1

0

0

S4

0

1

0

1

S5

0

1

1

0

S6

0

1

1

1

S7

1

0

0

0

S8

1

0

0

1

S9

1

0

1

0

S10

1

0

1

1

S11

1

1

0

0

S12

1

1

0

1

S13

1

1

1

0

S14

1

1

1

1

S15

X

X

X

X All Outputs = 0, CD4514

All Outputs = 1, CD4515

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