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			Alternate Search Terms: 
			SN74LS221DR Datasheet SN74LS221DR Component SN74LS221DR Integrated Circuit SN74LS221DR Schematic SN74LS221DR Application Note 
SN74LS221D SN74LS221 SN74LS22 SN74LS2 SN74LS SN74L SN74 SN7 SN S  
N74LS221DR 74LS221DR 4LS221DR LS221DR S221DR 221DR 21DR 1DR DR R  
74221 
SN74LS221DR    | To view this datasheet
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