Part Number
|
DM74LS21 |
Manufacturer
|
National Semiconductor |
Description
|
Dual 4-Input AND Gates |
Published
|
Oct 9, 2005 |
Detailed Description
|
54LS21 DM54LS21 DM74LS21 Dual 4-Input AND Gates
June 1989
54LS21 DM54LS21 DM74LS21 Dual 4-Input AND Gates
General Desc...
|
Datasheet
|
DM74LS21
|
Overview
54LS21 DM54LS21 DM74LS21 Dual 4-Input AND Gates
June 1989
54LS21 DM54LS21 DM74LS21 Dual 4-Input AND Gates
General Description
This device contains two independent gates each of which performs the logic AND function
Features
Y
Alternate Military Aerospace device (54LS21) is available Contact a National Semiconductor Sales Office Distributor for specifications
Connection Diagram
Dual In Line Package
TL F 6356 – 1
Order Number 54LS21DMQB 54LS21FMQB 54LS21LMQB DM54LS21J DM54LS21W DM74LS21M or DM74LS21N See NS Package Number E20A J14A M14A N14A or W14B
Function Table
Y e ABCD Inputs A X X X L H B X X L X H C X L X X H D L X X X H Output Y L L L L H
H e High Logic Level L e Low Logic Leve...
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