SN74LS221D ON Semiconductor, SN74LS221D Datasheet
SN74LS221D
Specifications of SN74LS221D
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SN74LS221D Summary of contents
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... LOW POWER SCHOTTKY 16 1 PLASTIC N SUFFIX CASE 648 16 1 SOIC D SUFFIX CASE 751B ORDERING INFORMATION Device Package Shipping SN74LS221N 16 Pin DIP 2000 Units/Box SN74LS221D SOIC−16 38 Units/Rail SN74LS221DR2 SOIC−16 2500/Tape & Reel Publication Order Number: SN74LS221/D ...
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VIEW) 1 Rext Cext Cext CLR CLR CLR ...
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Once in the pulse trigger mode, the output pulse width is determined In2, as long ext ext within their minimum and maximum valves and the duty cycle is less than 50%. This ...
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DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Parameter Positive-Going Threshold V T+ Voltage at C Input V Negative-Going Threshold T− Voltage at C Input Positive-Going Threshold V T+ Voltage at B Input V Negative-Going Threshold T− Voltage at B Input ...
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AC CHARACTERISTICS ( From (Input) (Output) Symbol A t PLH PHL B t Clear PHL t Clear PLH W(out) AC SETUP REQUIREMENTS (V = 5.0 ...
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AC WAVEFORMS t W(in) B INPUT 1.3 V ≥60 ns CLEAR t t PLH Q OUTPUT t PHL Q OUTPUT A INPUT IS LOW. TRIGGER FROM B, THEN CLEAR — CONDITION 1 B INPUT ≥ 1.3 V CLEAR ...
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... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...