Part # 74LS27 datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: DM54LS27 DM74LS27 Triple 3-Input NOR Gates

Part Details:

DM54LS27DM74LS27 May 1992 DM54LS27 DM74LS27Triple 3-Input NOR Gates General DescriptionThis device contains three independent gates each of whichperforms the logic NOR function Triple Connection Diagram Dual-In-Line Package 3-Input NOR Gates TL F 6359 ­ 1 Order Number DM54LS27J DM54LS27WDM54LS27E DM74LS27M or DM74LS27N See NS Package Number E20A J14A M14A N14A or W14B Function Table Y e A a B a C Inputs Output A B C Y L L L H X X H L X H X L H X X L H e High Logic LevelL e Low Logic LevelX e Either Low or High Logic Level C1995 National Semiconductor Corporation TL F 6359 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note)If Military Aerospace specified devices are required Storage Temperature Range b65 C to a150 C please contact the National Semiconductor Sales Note The ``Absolute Maximum Ratings are those values Office Distributors for availability and specifications beyond which the safety of the device cannot be guaran- Supply Voltage 7V teed The device should not be operated at these limits The Input Voltage 7V parametric values defined in the ``Electrical Characteristics table are not guaranteed at the absolute maximum ratings

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74LS27.pdf Datasheet