HD74HCT237 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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производитель

HD74HCT237

3-to-8-line Decoder/Demultiplexer with Address Latch

Hitachi -> Renesas Electronics 

HD74HCT237

Function Table

Inputs

Enable

Select

Outputs

GL G1

G2

C

B

A

Y0

Y1

Y2

Y3

Y4

Y5

Y6

Y7

XX

H

X

X

X

L

L

L

L

L

L

L

L

XL

X

X

X

X

L

L

L

L

L

L

L

L

LH

L

L

L

L

H

L

L

L

L

L

L

L

LH

L

L

L

H

L

H

L

L

L

L

L

L

LH

L

L

H

L

L

L

H

L

L

L

L

L

LH

L

L

H

H

L

L

L

H

L

L

L

L

LH

L

H

L

L

L

L

L

L

H

L

L

L

LH

L

H

L

H

L

L

L

L

L

H

L

L

LH

L

H

H

L

L

L

L

L

L

L

H

L

LH

L

H

H

H

L

L

L

L

L

L

L

H

HH

L

X

X

X

Output Corresponding to stored address L; all others H

Pin Arrangement

A1

B2

C3

GL 4

G2 5

G1 6

Y7 7

GND 8

A

B

Y0

C

Y1

GL

Y2

G2

Y3

G1

Y4

Y7 Y6 Y5

(Top view)

16 VCC

15 Y0

14 Y1

13 Y2

12 Y3

11 Y4

10 Y5

9 Y6

2

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