MC74HC257N 查看數據表（PDF） - Motorola => Freescale

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MC74HC257N

Quad 2-Input Data Selector/Multiplexer with 3-State Outputs

Motorola => Freescale 

A0 2

B0 3

A1 5

NIBBLE

INPUTS

B1 6

A2 11

B2 10

A3 14

B3 13

EXPANDED LOGIC DIAGRAM

MC74HC257

4 Y0

7 Y1

NIBBLE

OUTPUT

9 Y2

12 Y3

SELECT 1

OUTPUT 15

ENABLE

High–Speed CMOS Logic Data

5

DL129 — Rev 6

MOTOROLA

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