MC74HC157 查看數據表（PDF） - ON Semiconductor

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MC74HC157

Quad 2−Input Data Selectors / Multiplexers

ON Semiconductor 

MC74HC157A

EXPANDED LOGIC DIAGRAM

2

A0

3

B0

5

A1

NIBBLE

OUTPUTS

B1 6

11

A2

10

B2

A3 14

13

B3

15

OUTPUT ENABLE

1

SELECT

4 Y0

7

Y1

9 Y2

DATA

OUTPUTS

12 Y3

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5

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