Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLogic ICsLogic IC - Demultiplexer, decoder Decoder/demultiplexer Single supply SOIC 16 N

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CD74AC238

3-LINE TO 8-LINE DECODER/DEMULTIPLEXER

SCHS331 – FEBRUARY 2003

2

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

FUNCTION TABLE

ENABLE INPUTS SELECT INPUTS OUTPUTS

G1 G2A G2B C B A Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7

X H X X X X L L L L L L L L

X XHXXXLLLLLLLL

L XXXXXLLLLLLLL

H LLLLLHLLLLLLL

H LLLLHLHLLLLLL

H LLLHLLLHLLLLL

H LLLHHL LLHLLLL

H LLHLLLLLLHLLL

H LLHLHLLLLLHLL

H LLHHLLLLLLLHL

H L L H H H L L L L L L L H

logic diagram (positive logic)

G1

G

2B

G

2A

C

B

A

Y7

Y6

Y5

Y4

Y3

Y2

Y1

Y0

Data

Outputs

Select

Inputs

Enable

Inputs

1

2

3

4

5

6

15

14

13

12

11

10

9

7