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DM74LS21

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 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 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 Level X e Either Low or High Logic Level C1995 National Semiconductor Corporation TL F 6356 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and speci...

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