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DM74279

Part Number	DM74279
Manufacturer	National Semiconductor
Description	Quad Set-Reset Latch
Published	Apr 1, 2005
Detailed Description	54279 DM74279 Quad Set-Reset Latch June 1989 54279 DM74279 Quad Set-Reset Latch General Description This device contai...
Datasheet	DM74279 PDF File

Overview

54279 DM74279 Quad Set-Reset Latch June 1989 54279 DM74279 Quad Set-Reset Latch General Description This device contains four independent set-reset type flipflops with one Q output each Connection Diagram Dual-In-Line Package TL F 9785 – 1 Order Number 54279DMQB 54279FMQB or DM74279N NS Package Number J16A N16E or W16A Pin Names Rn Sn Q Description Reset Inputs (Active Low) Set Inputs (Active Low) Outputs Truth Table S1 L L X H H Inputs S2 L X L H H R L H H L H Output Q h H H L No Change H e HIGH Voltage Level L e LOW Voltage Level X e Immaterial h e The output is HIGH as long as S1 or S2 is LOW If all inputs go HIGH simultaneously the output state is indeterminate otherwise it foll...

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