Part # 54ACTQ273 datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: 54ACTQ273 Quiet Series Octal D Flip-Flop

Part Details:

54ACTQ273 August 1998 54ACTQ273Quiet Series Octal D Flip-Flop Quiet General Description performance. FACT Quiet SeriesTM features GTOTM outputcontrol and undershoot corrector in addition to a split ground The ACTQ273 has eight edge-triggered D-type flip-flops with Series bus for superior performance. individual D inputs and Q outputs. The common bufferedClock (CP) and Master Reset (MR) input load and reset Features (clear) all flip-flops simultaneously. reduced by 50% The register is fully edge-triggered. The state of each D in- n ICC Octal put, one setup time before the LOW-to-HIGH clock transi- n Guaranteed simultaneous switching noise level and tion, is transferred to the corresponding flip-flop s Q output. dynamic threshold performance All outputs will be forced LOW independently of Clock or n Improved latch-up immunity Data inputs by a LOW voltage level on the MR input. The de- n Buffered common clock and asynchronous master reset D vice is useful for applications where the true output only is re- n Outputs source/sink 24 mA quired and the Clock and Master Reset are common to all n Faster prop delays than the standard AC/ ACT273 Flip-Flop storage elements. n 4 kV minimum ESD immunity The ACTQ utilizes NSC Quiet Series technology to guaran- n Standard Microcircuit Drawing (SMD) tee quiet output switching and improved dynamic threshold 5962-89735 Logic Symbols IEEE/IEC DS100240-1 DS100240-2 Pin Names Description D ­D Data Inputs 0 7 MR Master Reset CP Clock Pulse Input Q ­Q Data Outputs 0 7 GTOTM is a trademark of National Semiconductor Corporation.FACT® is a registered trademark of Fairchild Semiconductor Corporation.FACT Quiet SeriesTM is a trademark of Fairchild Semiconductor Corporation.

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54ACTQ273.pdf Datasheet