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54LS21

Part Number	54LS21
Manufacturer	National Semiconductor
Description	Dual 4-Input AND Gates
Published	Sep 6, 2017
Detailed Description	54LS21 DM54LS21 DM74LS21 Dual 4-Input AND Gates June 1989 54LS21 DM54LS21 DM74LS21 Dual 4-Input AND Gates General Des...
Datasheet	54LS21 PDF File

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 Function Table Order Number 54LS21DMQB 54LS21FMQB 54LS21LMQB DM54LS21J DM54LS21W DM74LS21M or DM74LS21N See NS Package Number E20A J14A M14A N14A or W14B Y e ABCD Inputs A B CD X X XL X X LX X L XX L X XX H H HH H e High Logic Level L e Low Logic Level X e Either Low or High Logic Level O...

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