DM74LS28MX 查看數據表（PDF） - Fairchild Semiconductor

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DM74LS28MX

Quad 2-Input NOR Buffer

Fairchild Semiconductor 

March 1989

Revised March 2000

DM74LS28

Quad 2-Input NOR Buffer

General Description

The DM74LS28 contains four independent gates each of

which perform the logic NOR function.

Ordering Code:

Order Number Package Number

Package Description

DM74LS28M

M14A

14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagram

Truth Table

Y = A+B

Inputs

A

B

L

L

L

H

H

L

H

H

H = HIGH logic level

L = LOW logic level

Output

Y

H

L

L

L

© 2000 Fairchild Semiconductor Corporation DS010169

www.fairchildsemi.com

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